Malicious PDF — malware analysis report

Static analysis result for SHA-256 2b6dba1d864313eb…

MALICIOUS

PDF

72.9 KB Created: 2020-11-23 20:48:25 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-17
MD5: 73460bdf5728ba400d18e2bf88bced3b SHA-1: 3e9bea4c9b10ed4d7f3941e7b8f22d12c3a07616 SHA-256: 2b6dba1d864313eb00d9af5cf0836131e333f8dacd0228814692f5aa9ecc7510
254 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 6

  • 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.
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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://traffking.ru/strik?utm_term=panda+by+desiigner+download In PDF document text
    • https://fulodovujigiw.weebly.com/uploads/1/3/4/0/134016909/befobize-xafelinuzitop-liseteforegu.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4379486/normal_5f8dac69d87f4.pdfIn PDF document text
    • https://fanavepuru.weebly.com/uploads/1/3/1/8/131871984/waremeri.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4465151/normal_5fa7f33559eb4.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4377909/normal_5f9d10ae20783.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4391326/normal_5f9fc32400bd9.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4418786/normal_5fb3e20657a22.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4392210/normal_5f98e4836103e.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4392668/normal_5f9e260154bbd.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://s3.amazonaws.com/donarepemi/que_sera_sera_video_song.pdfIn PDF document text
    • https://s3.amazonaws.com/nijudow/lefoxavebowegut.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e586059d-3880-40c3-83d5-c3862b0f1d18/niwikeletopigogawupuvo.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/df2055cf-da2e-48f4-a530-f974683653d0/hvac_troubleshooting_book.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e7f9693a-809d-4695-9ac6-509a6a4471b7/99437732870.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/900bfe93-1dc2-42fb-a652-0f5d927976a7/pobre_ana_characters.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/6f433656-cdd5-4366-a814-4983ff717487/janeway_s_immunobiology.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000cdf6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCDF6 5036 bytes
SHA-256: 3d719b0aa20199f25ad45bf2337a768736898812d9fe2a302976d513d2a9060d
font_01_sfnt_off0000df22.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDF22 13864 bytes
SHA-256: f292e3dd5ee3b59a63b27ab2748fc0b60bf4b8a7731381cb31f1c7b6ad95bbf7
font_02_sfnt_off000108c0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x108C0 4324 bytes
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3

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