Malicious PDF — malware analysis report

Static analysis result for SHA-256 801a24f0cea05183…

MALICIOUS

PDF

72.4 KB Created: 2021-02-27 12:50:03 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: e2ac4a1c86c25c9b6c5b705f0617d6e4 SHA-1: f7fc75711a94fce290517f62d171c3c06e33bcb6 SHA-256: 801a24f0cea05183c576542dd069b9b5ec61335915a9e05a9fe783dd6556b35f
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 5

  • 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.
  • 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://soxebez.ru/wix?keyword=ghost+of+john PDF link annotation
    • http://it50off.pro/82846016078097o7.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366646/normal_5fda2a9652fdb.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4475728/normal_5ff31bfea3b2e.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4420230/normal_6004a50bdb65a.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4383314/normal_6012320dc5509.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4366407/normal_5ffbd1054917d.pdfIn PDF document text
    • http://barbanapoli.moscow/kagidiwtpap.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4504554/normal_5fcdf7670f76f.pdfIn PDF document text
    • http://umniashka.ru/how_to_do_social_media_marketing_for_restaurantszbd2b.pdfIn PDF document text
    • http://kmikaerfs.ru/94105219215kdcfm.pdfIn PDF document text
    • https://cdn.sqhk.co/zotenejek/jiO3bih/stickman_castle_defense.pdfIn PDF document text
    • http://tesar-krd.ru/rudram_telugu_meaning82q7q.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4446275/normal_600f3c993ba4c.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://webezivoxubabo.epizy.com/xubukajob.pdfIn PDF document text
    • http://voxinuxo.epizy.com/bootstrap_responsive_admin_templates_free.pdfIn PDF document text
    • http://kewatolod.rf.gd/bzun_stock_earning_report_date.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://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e2d5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE2D5 4624 bytes
SHA-256: e8a6791e23c566f143877b90021675bb6d84f918344fc70179c8bdd616d195bc
font_01_sfnt_off0000f29a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF29A 9984 bytes
SHA-256: 29d9be7ed97c5b69015be0c12bf0e27ce329948df096264b595cf6e170cc4a1f