Malicious PDF — malware analysis report

Static analysis result for SHA-256 2b6cc8c02b672d7e…

MALICIOUS

PDF

66.0 KB Created: 2020-11-25 04:26:50 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-17
MD5: 126c98ac453f455413926832b1dbeba5 SHA-1: 1e6d2eb7634445502cce84be67af5943a880b2ac SHA-256: 2b6cc8c02b672d7e3f2348b170f325786d769037f52bdda41118bf53a4bdb910
196 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
  • 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.
  • 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://trafffi.ru/wb?keyword=instagram%20analytics%20app PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4384825/normal_5f91f431b389f.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4367911/normal_5f8b6e6b1912d.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4376875/normal_5f8a310b09c94.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4377379/normal_5f9f34aab3496.pdfIn PDF document text
    • https://sewiwojura.weebly.com/uploads/1/3/4/3/134371681/f64bf86.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4414153/normal_5faf72badb1d3.pdfIn PDF document text
    • https://sekamaxe.weebly.com/uploads/1/3/4/5/134590712/9027434.pdfIn PDF document text
    • https://laregupofonel.weebly.com/uploads/1/3/4/4/134464195/c8926b84d0c.pdfIn PDF document text
    • https://manabaxijex.weebly.com/uploads/1/3/4/6/134626004/ragapuxovutaw-jovedejevevujo.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4460471/normal_5fab106d7a72a.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4391896/normal_5f8fea3351be3.pdfIn PDF document text
    • https://rokumetusemep.weebly.com/uploads/1/3/4/3/134382705/xovuwoxipodi.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/190345e4-16ba-4b19-a5e2-f0ca0f7e126f/tokiwokip.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f384db48-568b-481e-92e9-f38c22c7406e/21751990644.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/4418e392-6489-4bcd-b825-9007792dba34/76654800696.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_off0000c705.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC705 5292 bytes
SHA-256: 37c3738b236129a1449b832aa40a9c8b3a715285b7a2283d06e9bd76b558d62a
font_01_sfnt_off0000d8fe.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD8FE 9972 bytes
SHA-256: d5a0b712e8924d06e3e6f02082c121eb2659705eb3dc5a57d0f88edd544bd193

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