Malicious PDF — malware analysis report

Static analysis result for SHA-256 af2fec8556893ea3…

MALICIOUS

PDF

63.8 KB Created: 2020-12-10 02:44:51 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-22
MD5: db28a4c1090b7aadf8e57e4ab2e1e621 SHA-1: 8a6a648df1b03b025018203ffe96f8c4b800be11 SHA-256: af2fec8556893ea3165f4aafd4bfde8354e534e1603bb64323bfcd95c3161949
194 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
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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.
  • 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://gettraff.ru/strik?utm_term=dofus+touch+guide+osamodas In PDF document text
    • https://static.s123-cdn-static.com/uploads/4453747/normal_5fcda029d2775.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4373509/normal_5fbd80469afba.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4379618/normal_5fcaf38510dbe.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4450634/normal_5fb98b89a19ef.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4387921/normal_5f931c903c36c.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4476288/normal_5fb7e4214fb3f.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/def4a2d6-011c-4cfd-b3e1-e8064866e422/13606370185.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc558d58139af037662b603/t/5fcb1e421415195da0803ec2/1607147075462/klondike_adventures_tips.pdfIn PDF document text
    • https://s3.amazonaws.com/degagaziv/ap_reorganisation_act_2014_highlights.pdfIn PDF document text
    • https://s3.amazonaws.com/vudivuzakal/afspa_fsbp_claim_form.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbf5a973f75b16643cc6a57/1606376090606/work_one_liners.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f4f8e395-201c-4114-a172-30ff1dffa5d3/canon_in_d_violin_sheet_music_free.pdfIn PDF document text
    • https://s3.amazonaws.com/jexijer/affidavit_template_new_zealand.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc501b17d0c8f249d5b4547/t/5fc96e4273e24d697d290149/1607036483568/adidas_defender_iii_medium_duffel_bag_camo.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_off0000bc81.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBC81 5308 bytes
SHA-256: c3ad19d3185429c4593cdaac53c9165be5c9d92e277d21fd8e7003541ec3f205
font_01_sfnt_off0000ce76.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCE76 10688 bytes
SHA-256: a5db51ce9bceebf548816caebb5dad285c558d7d9699b3d4a22c0294185c32b5

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