Malicious PDF — malware analysis report

Static analysis result for SHA-256 18a5a3c0941f8f71…

MALICIOUS

PDF

329.0 KB Created: 2022-02-05 17:29:54 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-05-09
MD5: 34f5f17fe2707222c6c5d4c30b3496c6 SHA-1: 4e5ba6285baf185a46fa30d25ddae47152b503bb SHA-256: 18a5a3c0941f8f711b1e78ae3e4b6fb8a779a9255b1f1a9c558f408773c4daef
201 Risk Score

Machine Learning

  • Nyx PDF Classifier suspicious score 0.4444

Heuristics 8

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • Government-agency impersonation credential phishing lure high SE_GOV_CREDENTIAL_PHISH
    Document impersonates a government agency (Social Security, IRS, Medicare, HMRC, etc.) and uses identity/benefits-verification coercion ('identity verification required', 'this review is mandatory', 'temporary account restrictions') to steer the reader to a link that is not an official .gov/.mil destination — the hallmark of a benefits/identity credential-harvesting lure.
  • PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
    PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
  • PDF advertises pirated movie streaming/download medium PDF_PIRACY_STREAMING_LURE
    PDF rendered text advertises free full-movie streaming or download using piracy-brand names or a 'full movie + download/free/watch' intent phrase — recovered after folding the styled Unicode confusables the campaign uses to hide those keywords from plain-text detection. These are disposable SEO-spam carriers that route users to malvertising, fake-player, and scam pages; the PDF itself is inert.
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://hotelniagararimini.eu/userfiles/files/gemilojilomokituzelojug.pdf In PDF document text
    • http://studioingegneriavaragnolo.com/userfiles/files/wusakoregepupofedezur.pdfIn PDF document text
    • https://mamadona.ru/ckfinder/userfiles/files/60376884989.pdfIn PDF document text
    • http://sskj.pl/userfiles/file/69705986033.pdfIn PDF document text
    • https://hn-as.dk/sites/default/files/userfiles/file/49976228586.pdfIn PDF document text
    • https://tuabogadoangel.com/wp-content/plugins/super-forms/uploads/php/files/a23c6eae12bd92ac78d164e7d6e92803/neniduve.pdfIn PDF document text
    • http://accurateverdicts.com/wp-content/plugins/formcraft/file-upload/server/content/files/161d0fe7f2480e---neponezeponizebik.pdfIn PDF document text
    • http://swhwsolution.it/ckeditor-ckfinder-integration/uploads/files/30294510409.pdfIn PDF document text
    • http://sungwoneng.com/upfile_editor/2022/files/daposul.pdfIn PDF document text
    • http://energy-labels.nl/userfiles/file/dotafamamuzolopu.pdfIn PDF document text
    • https://marblo.com/app/webroot/img/files/jibojaxa.pdfIn PDF document text
    • https://moveo-sport.pl/userfiles/file/feduwafidugarapokiporeb.pdfIn PDF document text
    • https://soenen-pneus.com/upload/file/zozalufagufajupuzigupi.pdfIn PDF document text
    • http://ambvet-trefontane.eu/userfiles/files/89660216487.pdfIn PDF document text
    • http://thegroverestaurantnj.com/userfiles/files/biniwerenaberudilepatewi.pdfIn PDF document text
    • http://fornacedelia.it/userfiles/files/48074364418.pdfIn PDF document text
    • https://bellcera.60km.com/upload/files/31773143953.pdfIn PDF document text
    • https://huaku3c.tw/uploads/files/202109031456236659.pdfIn PDF document text
    • http://www.lifestaralberta.com/wp-content/plugins/formcraft/file-upload/server/content/files/16154548ed620b---42770564730.pdfIn PDF document text
    • http://qdcmd.com/data/files/34285085486.pdfIn PDF document text
    • https://hokusui.co.jp/hsk/wp-content/plugins/ckeditor-for-wordpress/kcfinder/upload/files/79857101936.pdfIn PDF document text
    • http://www.transfuzia.org/gfx/administration/js/ckeditor/kcfinder/upload/files/47505712946.pdfIn PDF document text
    • http://colantuono.it/userfiles/files/89923314376.pdfIn PDF document text
    • http://cuacuonnhaxuongbinhduong.com/upload/files/sewidivufesa.pdfIn PDF document text
    • https://vleek.com/uploads/files/befezafuvusidegejoki.pdfIn PDF document text
    • https://interior-mark.com/ckfinder/userfiles/files/86826080330.pdfIn PDF document text
    • http://www.patricktennis.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161bf32717f8ab---lisukesuxurafifer.pdfIn PDF document text
    • http://elskup.pl/images/assets/file/56368672082.pdfIn PDF document text
    • http://happyhanool.com/ckupload/files/lomabebipin.pdfIn PDF document text
    • http://sinara.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/161b3d63a810e6---40576980447.pdfIn PDF document text
    • http://reside-realestate.de/user_files/files/29532959353.pdfIn PDF document text
    • http://gestioniarmatoriali.it/gusupovovurufasijigoken.pdfIn PDF document text
    • https://10glazsikeyrosa.ru/file/funinoburinufofigo.pdfIn PDF document text
    • http://ccsilver.kr/files/fckeditor/file/577661896615ed276ed6e6.pdfIn PDF document text
    • http://zxpgw.com/userfiles/file/xiferogokuveri.pdfIn PDF document text
    • https://doluhosting.com/calisma2/files/uploads/jotabosoxadipakizodil.pdfIn PDF document text
    • http://ulleungroadtour.com/FileData/ckfinder/files/20210922_9301F2721CB60BB5.pdfIn PDF document text
    • https://www.highlandernepal.com/assets/ckfinder/userfiles/files/52972369917.pdfIn PDF document text
    • http://www.onekaddy.com/wp-content/plugins/formcraft/file-upload/server/content/files/161457617e80c3---65121225290.pdfIn PDF document text
    • http://rigosarchitects.gr/userfiles/file/gilil.pdfIn PDF document text
    • http://sokole-tps.pl/userfiles/file/84384456396.pdfIn PDF document text
    • https://www.wemservice.com/ckfinder/userfiles/files/86983130837.pdfIn PDF document text
    • http://prvugkh.ru/uploads/files/bilaled.pdfIn PDF document text
    • https://cengilli.com/icerik_images/file/25094396364.pdfIn PDF document text
    • https://debo-fit.be/userfiles/file///10590404555.pdfIn PDF document text
    • http://www.dean-cpa.com/files/adminpic/file/wunataxuvo.pdfIn PDF document text
    • http://3gr-group.com/ci/userfiles/files/dopagovibemonumagi.pdfIn PDF document text
    • https://oriolefashion.com/ckfinder/userfiles/files/tilebuwaxusiwemevovuzarif.pdfIn PDF document text
    • http://79.170.40.182/boothtastic.com/wp-content/plugins/formcraft/file-upload/server/content/files/161d39a1794a06---38959306462.pdfIn PDF document text
    • http://www.hotel-margherita.com/wp-content/plugins/formcraft/file-upload/server/content/files/161305c4ca0765---34013597047.pdfIn PDF document text
    +12 more URL(s)

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0004a136.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4A136 17032 bytes
SHA-256: 3a0521dc0c64a1a9878c3de9bf892d8ed285a9e7a3a43321166a549514f5bf4a
font_01_sfnt_off0004cd77.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4CD77 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9
font_02_sfnt_off0004e4a0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4E4A0 10640 bytes
SHA-256: 087ea4b4fff1b621506f87784b941028d7de15ebc214f87c455235385b7b4e41
font_03_sfnt_off0004fd27.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4FD27 16120 bytes
SHA-256: 5cfa37fce0989fcd98349beccf9a63719aff29e66b00f3ba655f54b68a91f5d5