Malicious PDF — malware analysis report

Static analysis result for SHA-256 c5d17aae5da9f26f…

MALICIOUS

PDF

68.7 KB Created: 2021-01-10 16:40:27 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-27
MD5: dc97bc2c022879f6b279058878147575 SHA-1: 782e8beee85424224c189f4e13eae857c05258d0 SHA-256: c5d17aae5da9f26f5dfde601c4b2c6d2df0a1e8261c0b86b7d94cd9c96efa23d
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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://trafficel.ru/wb?keyword=hotel%20director%20of%20sales%20jobs%20near%20me PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4470532/normal_5fd1ba133178a.pdfIn PDF document text
    • https://cdn.sqhk.co/xusawikorut/2ja5hhc/razise.pdfIn PDF document text
    • https://cdn.sqhk.co/zuvutose/YhacAjb/18348720504.pdfIn PDF document text
    • https://cdn.sqhk.co/makafabakuna/ihGSjfw/6488182449.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4471240/normal_5fe7a63748bd2.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/rivazixexuguri/lawimosewadifiz.pdfIn PDF document text
    • https://s3.amazonaws.com/vukumesoj/ryzen_3000_undervolting_guide.pdfIn PDF document text
    • https://s3.amazonaws.com/tajimipojimo/14204366150.pdfIn PDF document text
    • https://s3.amazonaws.com/zowejunef/invitation_card_design_template_free.pdfIn PDF document text
    • https://s3.amazonaws.com/sakaburepagase/acta_constitutiva_derecho_mercantil.pdfIn PDF document text
    • https://s3.amazonaws.com/kovozenamofox/logo_barcelona_dream_league_soccer_2017.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_off0000d099.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD099 5344 bytes
SHA-256: b1f2195b9153d5f830ff2ed6cc4cbb062f1d8316a20367dfd85b102fce612bfc
font_01_sfnt_off0000e2b5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE2B5 10260 bytes
SHA-256: 4e0709aa0d01bea34eed0ea092347fb2acdcc1e749645260555e4bd493ad5fba

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