Malicious PDF — malware analysis report

Static analysis result for SHA-256 1dc3fa75e886ec72…

MALICIOUS

PDF

347.0 KB Created: 2022-03-01 19:22:34 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-05-30
MD5: 8c9590aa8b9d331d398c87ae24af0338 SHA-1: 56631585721f0b3b2d56b0635c8c40c3352e35f3 SHA-256: 1dc3fa75e886ec72f22373e0b07c36d788e2a3dbdbdc16b119e84564aab4a97b
166 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.7126

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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.
  • 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://loheb.co.za/XSRYdR1H?utm_term=informer+song+katy+perry PDF link annotation
    • https://alasclub.gr/neuro/ckfinder/userfiles/files/disina.pdfIn PDF document text
    • http://ty-int.com/files/files/jatamifopebodaxo.pdfIn PDF document text
    • http://interiorconsignments.com/media/file/wafuwosudino.pdfIn PDF document text
    • https://hightechrustremovers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161f929b15c34a---95997128252.pdfIn PDF document text
    • http://polipack.ru/content/file/vizupuvituxogopakerivot.pdfIn PDF document text
    • https://wonwon.taipei/photo/file/romebun.pdfIn PDF document text
    • http://beautifulmoda.com/userfiles/files/39706083798.pdfIn PDF document text
    • http://thessalonikiflights.com/files/files/3266917764.pdfIn PDF document text
    • http://aallergy.friend-match.com/upload/files/41874105353.pdfIn PDF document text
    • http://energy-partner.pl/kcfinder/upload/files/14492494234.pdfIn PDF document text
    • https://ntm.mcapps3.cz/multimedia/file/91262399387.pdfIn PDF document text
    • http://tndgdemo2.com/ckfinder/userfiles/files/vedakaxorekudosip.pdfIn PDF document text
    • http://affordableadobe.com/ckfinder/userfiles/files/tagena.pdfIn PDF document text
    • https://coil.hk/upload/files/23112093842.pdfIn PDF document text
    • http://akbmodel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1620334e540152---loripazawoxodunodub.pdfIn PDF document text
    • http://do-construction.ch/admin/kcfinder/upload/files/binoxixunexibezonategixa.pdfIn PDF document text
    • https://wanna-drive.nl/files/File/48252171154.pdfIn PDF document text
    • https://poulinstrapscan.com/userfiles/file/dazelezuzew.pdfIn PDF document text
    • http://obkladlazby.cz/userfiles/file/8678186676.pdfIn PDF document text
    • http://www.westerntourshuahin.com/image/upload/File/25150347225.pdfIn PDF document text
    • http://applyforloansnow.ca/site-uploads/tilamimemobawevuxo.pdfIn PDF document text
    • https://sunnybeachaeroclub.com/files/files/xukanuzavopu.pdfIn PDF document text
    • http://www.yourhealthyourchoice.org/wp-content/plugins/formcraft/file-upload/server/content/files/16206eaa091dc2---ledobexazuraxosofaru.pdfIn PDF document text
    • https://www.beewellrx.com/wp-content/plugins/super-forms/uploads/php/files/qd0m0b8as7a5pmq8e702ssin29tv9rhq/duponadazurolujoj.pdfIn PDF document text
    • http://metabolit.ru/files/file/vegarik.pdfIn PDF document text
    • http://www.oomedia.com.tw/ckfinder/userfiles/files/28548577573.pdfIn PDF document text
    • http://erbaytag.com/resimler/files/nokivukofiwabowipunuzo.pdfIn PDF document text
    • https://www.abaco-engineering.it/wp-content/plugins/formcraft/file-upload/server/content/files/1620631eec52c4---86711293839.pdfIn PDF document text
    • http://www.avtoschool71.ru/kcfinder/upload/files/lilekalajafudujopuxusetew.pdfIn PDF document text
    • http://www.plavanikojencupraha.cz/upload/files/83660330246.pdfIn PDF document text
    • https://tasivn.com/upload/ck/files/16675850383.pdfIn PDF document text
    • http://www.wiz-fac.com/uploadImg/file/zetukexunoxejexirisosutap.pdfIn PDF document text
    • https://ce-mi.pl/uploads/userfiles/files/kutitadufuxonupoxesuxuji.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 PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0004fc7c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4FC7C 18228 bytes
SHA-256: a08e5aed8dc4db9de7878dbb94374560a0aea13851fceba0aa3efec51e9a6997
font_01_sfnt_off00052c42.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x52C42 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9
font_02_sfnt_off00054362.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x54362 10720 bytes
SHA-256: ac19f8a0418cd11403cdc364d3ea5bb452bfba5d35b15895a91369ccdb15a218