Malicious PDF — malware analysis report

Static analysis result for SHA-256 2b6d6f4685d5db3b…

MALICIOUS

PDF

44.4 KB Created: 2020-10-17 18:50:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-17
MD5: 9a0bc5056cc6d1a2a642aadc7510d252 SHA-1: ac8211bf56a58f653d376fad03ccc9f156def050 SHA-256: 2b6d6f4685d5db3bd4b58409a8abd62440685a866af0ecaf4b3e92961de885e3
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://ttraff.club/123?keyword=toyota+prius+owners+manual+uk In PDF document text
    • https://jawasolasazilem.weebly.com/uploads/1/3/1/3/131379174/zidebesirolabavo.pdfIn PDF document text
    • https://dowamiwimeguv.weebly.com/uploads/1/3/0/7/130775936/1361202.pdfIn PDF document text
    • https://vikumeniwexawud.weebly.com/uploads/1/3/0/9/130969440/8823596.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366645/normal_5f88dbb533392.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369173/normal_5f89e0072881d.pdfIn PDF document text
    • https://tunimesepet.weebly.com/uploads/1/3/1/4/131455680/4741195.pdfIn PDF document text
    • https://jatorogerujew.weebly.com/uploads/1/3/2/7/132710569/8276696.pdfIn PDF document text
    • https://wozuwonasanava.weebly.com/uploads/1/3/1/4/131483955/5140640.pdfIn PDF document text
    • https://mojivimimujovo.weebly.com/uploads/1/3/0/8/130874437/xefafimofaxeparekuji.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4374533/normal_5f8ae74f05fa4.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4371267/normal_5f8a63d4d1aff.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/d55617e4-261a-47cc-a355-10f91b78da03/kirebalenilubu.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ea98e9d5-970a-4b6a-9ad8-7b7cbbbefb91/78554142626.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f20039e5-0d41-472c-aa31-56cdaf2a4c1d/nuwumutux.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/9c23e845-21be-4330-b3ad-b6a98bccc07d/88289428947.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8843/7655/files/independent_study_book_read_online.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0813/0213/files/wesopivonotaxeb.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0484/6626/4214/files/dobituv.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_off00007023.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7023 5172 bytes
SHA-256: 381684f4139fe81bbdf82c9bb0f109f3c6a0bc3351fb6ca1e9c0955f36d0b950
font_01_sfnt_off000081b8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x81B8 10244 bytes
SHA-256: d5f8d8a6f2683e9d377e41a2b854865bdcbad74f6a5b212fe349928023bacf66

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