Malicious PDF — malware analysis report

Static analysis result for SHA-256 793c8a1b16088dc4…

MALICIOUS

PDF

41.0 KB Created: 2020-10-17 21:19:30 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-15
MD5: 222d513136643a14b4f42791c050eb4f SHA-1: 484bfd7b3de498e4d2d61bc22a8eb901e35cbee6 SHA-256: 793c8a1b16088dc448b4c41ad072bfb8a3c38715e45d884d463d2c05c2244145
184 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • 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.
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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://ggtraff.ru/123?keyword=ffxiv+armorer+hq+guide In PDF document text
    • https://cdn-cms.f-static.net/uploads/4366366/normal_5f8729fbd939a.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369495/normal_5f88854e68f15.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366028/normal_5f87075690bba.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366357/normal_5f8731c479166.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4378604/normal_5f8a2f865a1fc.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366306/normal_5f871fa1a343d.pdfIn PDF document text
    • https://kuvofexe.weebly.com/uploads/1/3/1/1/131163751/5291789.pdfIn PDF document text
    • https://fufivivol.weebly.com/uploads/1/3/0/8/130873849/pibileraziru.pdfIn PDF document text
    • https://jawasolasazilem.weebly.com/uploads/1/3/1/3/131379174/gevoderovepiru.pdfIn PDF document text
    • https://disaxugotusineg.weebly.com/uploads/1/3/1/8/131871710/7667619.pdfIn PDF document text
    • https://zinikedefi.weebly.com/uploads/1/3/0/7/130740178/3827253.pdfIn PDF document text
    • https://vuxozajuje.weebly.com/uploads/1/3/1/3/131379873/3257372.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/8091/4846/files/slim_and_sassy_doterra.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0479/6094/8903/files/68592675496.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0482/1070/6619/files/kimemagaxarepejinavij.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a3530d28-c34d-47b2-af1e-770d5ca8e2f7/wipubebedewilowekes.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/4e0e702e-d963-4c60-9dbb-c2ad6bb66ec1/sisezivilupad.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_off00005ff5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5FF5 5320 bytes
SHA-256: 5220f6dc5dc300904712cc9cfa57c24ae305874a9d4eaf89eff36e27e4170cef
font_01_sfnt_off000071f4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x71F4 11216 bytes
SHA-256: c7d411fc1dcaf6bd414ae3c2661b5e7c22bb3aa09c2335faffb2411b5a0e2183

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