Malicious PDF — malware analysis report

Static analysis result for SHA-256 b610cdcaf11f7f69…

MALICIOUS

PDF

356.4 KB Created: 2022-03-12 10:48:07 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-07-15
MD5: db61f6726c0b018546f7cf4edf4c722d SHA-1: 7ffe6996c66cde0f7950082a004f3dd20a0d63ba SHA-256: b610cdcaf11f7f6911fa0168b851ffbc391d3f4815056bd6674d3c57ac19128f
191 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.6677

Heuristics 7

  • 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.
  • 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 https://cafij.co.za/XSRYdR1H?utm_term=scribblenauts+remix+answers+4-+3 PDF link annotation
    • https://ph2020.org/ckfinder/userfiles/files/bafatamolajofajo.pdfIn PDF document text
    • http://svsteinfurth.de/radsportfiles/file/sibomagegupevoj.pdfIn PDF document text
    • http://quimis.org/js/ckfinder/userfiles/files/finamexalonujevabava.pdfIn PDF document text
    • http://galsabino.it/userfiles/files/10814713051.pdfIn PDF document text
    • https://sentinels.ro/userfiles/file/17517393225.pdfIn PDF document text
    • http://norilsk.torbay.ru/images/uploads/file/ribemutuvirapasirosas.pdfIn PDF document text
    • https://parokaonline.hu/upload/files/41667097353.pdfIn PDF document text
    • http://dps-bayside.com/uploadfile/editor/file/20220216165014129.pdfIn PDF document text
    • http://shengnabei.com/uploadfile/file///2022030112373354.pdfIn PDF document text
    • https://victory-agency.com/wp-content/plugins/formcraft/file-upload/server/content/files/161f9c692ce9a6---sutajinafu.pdfIn PDF document text
    • http://yusungchart.com/userData/board/file/tedamofavab.pdfIn PDF document text
    • http://netpart.hu/kcfinder/upload/files/5331479841.pdfIn PDF document text
    • https://www.inter-tube.co.uk/wp-content/plugins/super-forms/uploads/php/files/7dfd17579e9d066c792355619cc6113d/fegugurenoxinimuge.pdfIn PDF document text
    • http://appli-veolia.net/ckfinder/userfiles/files/xagawixu.pdfIn PDF document text
    • https://actionalbertafoundationrepair.com/nbloom/fckuploads/file/weduvugigobaxuk.pdfIn PDF document text
    • http://iccj.jp/images/uploads/fckeditor/file/89929197112.pdfIn PDF document text
    • https://www.swaraagmusic.com/public/templateEditor/kcfinder/upload/files/videfutojiwokis.pdfIn PDF document text
    • http://3wsystems.com/shipinc/userfiles/files/suxixode.pdfIn PDF document text
    • https://dolmalatrek.com/userfiles/file/51548401948.pdfIn PDF document text
    • http://merklink.nl/site/data/ws/files/kenapejovofemuta.pdfIn PDF document text
    • http://do-construction.ch/admin/kcfinder/upload/files/58540112224.pdfIn PDF document text
    • https://baoholaodong24.baohohoanglong.com/userfiles/file/35862731095.pdfIn PDF document text
    • http://burningspearmarketplace.com/js/ckfinder/userfiles/files/zidejigaxixategik.pdfIn PDF document text
    • https://www.miroku-mfg.co.jp/system/js/kcfinder/upload/files/73687039652.pdfIn PDF document text
    • http://famcareconnect.org/wp-content/plugins/formcraft/file-upload/server/content/files/16205cb394fb60---fekebizibawo.pdfIn PDF document text
    • http://zhatuogz.com/uploadfile/file/vibalawagila.pdfIn PDF document text
    • http://ctnphrae.com/ckfinder/userfiles/files/43781115580.pdfIn PDF document text
    • http://nano-vip.com/ckfinder/userfiles/files/jobugudofumemodab.pdfIn PDF document text
    • http://p-jtech.com/userData/board/file/78705721840.pdfIn PDF document text
    • http://www.conepe.org.br/public/ckeditor/kcfinder/upload/files/9372303057.pdfIn PDF document text
    • https://svetplus.com/userfiles/files/86414929684.pdfIn PDF document text
    • http://goksirkrupskimlyn.pl/img/upload/files/60427350140.pdfIn PDF document text
    • http://association-femmes-relais-aulnay.communication-pro.fr/public/1160/contenu/file/mixuwalez.pdfIn PDF document text
    • https://alternativecarrepair.com/userfiles/file/supapefivowixof.pdfIn PDF document text
    • https://mph.cz/upload/files/zotilojifazigozemipad.pdfIn PDF document text
    • http://secretinvitation.net/images/files/71063628627.pdfIn PDF document text
    • http://mancuathuphuong.com/media/ftp/file/46124085945.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://dejavu.sourceforge.netIn extracted file (font_00_sfnt_off00051d95.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off00051d95.bin)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00051d95.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x51D95 11060 bytes
SHA-256: 21af05264d2320d9943b3447f96c93f66b0c29f6e3bfeef604046c1c504f7876
font_01_sfnt_off0005376f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5376F 18752 bytes
SHA-256: d205af442129d66de33da1bd5f945dabc8cde4d32ccc93837c087a591a00bbfc
font_02_sfnt_off00056919.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x56919 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9