Malicious PDF — malware analysis report

Static analysis result for SHA-256 df2593f6b1e5a4eb…

MALICIOUS

PDF

73.1 KB Created: 2021-02-19 11:50:18 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: 2228992950958f90f440c280ce2aff15 SHA-1: 9264a815697a49346f7b05bae82dc6f402f65135 SHA-256: df2593f6b1e5a4ebb3eec4684064c118277ddfa6342c5d61f0be358fa68d0511
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 5

  • 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.
  • 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://seumenha.ru/wix?keyword=blood+of+the+dead+shield+upgrade PDF link annotation
    • https://wiwojuzikog.weebly.com/uploads/1/3/6/0/136050554/bixokoxiteroziruro.pdfIn PDF document text
    • https://cdn.sqhk.co/ruzesowasu/5ADWjcN/egg_inc._game.pdfIn PDF document text
    • https://cdn.sqhk.co/lesasafo/AOdihgj/rome_total_war_2_iceni_tips.pdfIn PDF document text
    • https://cdn.sqhk.co/kewixoretuze/fq33Ggf/gusagodevijapisuxe.pdfIn PDF document text
    • https://cdn.sqhk.co/foropogajag/gwijeWj/gunblood_western_shootout_unblocked_weebly.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4424997/normal_5fcc618e3242e.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4412379/normal_5fde52102dc08.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366381/normal_602f67368bdca.pdfIn PDF document text
    • https://cdn.sqhk.co/loxowopiv/j3id91j/zozedexofusuxuweg.pdfIn PDF document text
    • https://volokosebu.weebly.com/uploads/1/3/4/8/134871595/0aa1f737d2919f5.pdfIn PDF document text
    • https://cdn.sqhk.co/vavusiwi/gjbGGij/3434201837.pdfIn PDF document text
    • https://diwijavel.weebly.com/uploads/1/3/4/6/134691177/xidireze_jedaledalopo.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/bewibiwat/tibagaluna.pdfIn PDF document text
    • https://s3.amazonaws.com/padadutiseni/fowejiwabolakilakaxazuma.pdfIn PDF document text
    • https://s3.amazonaws.com/jukezeluf/18952740919.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_off0000e28a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE28A 5352 bytes
SHA-256: db997cf1bdfd68574ac465346811bbbafce38d4b338963d6c5d55ca0024df2f9
font_01_sfnt_off0000f4bf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF4BF 10028 bytes
SHA-256: 45ae9a176e2c2a67ca7f6616f41876e7a0f7b1abcc405b74fdae872e26aeac15