Malicious PDF — malware analysis report

Static analysis result for SHA-256 2b61ea0239d58e60…

MALICIOUS

PDF

72.1 KB Created: 2020-12-30 20:01:04 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-17
MD5: f602e407206c83f6a7641657e5f61c29 SHA-1: 6654f6395cb244e775403c33bb97037033809bca SHA-256: 2b61ea0239d58e6022708c64c7c720c5643a14f34ea7831de779e56a4abab819
244 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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.
  • 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://cctraff.ru/wb?keyword=lightroom%20presets%20mobile%20and%20desktop In PDF document text
    • https://xuvakaxatal.weebly.com/uploads/1/3/1/0/131070170/d6dd3435beaac.pdfIn PDF document text
    • https://cdn.sqhk.co/rilixuzewiv/XnR0b02/sidiviw.pdfIn PDF document text
    • https://lumovomudin.weebly.com/uploads/1/3/4/7/134704265/a0edf3.pdfIn PDF document text
    • https://ruxesewafemowur.weebly.com/uploads/1/3/4/7/134761388/4757217.pdfIn PDF document text
    • https://cdn.sqhk.co/tokititagiwe/ywhgjha/99956074684.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4386334/normal_5febc95f05ff0.pdfIn PDF document text
    • https://ladasewesadil.weebly.com/uploads/1/3/4/6/134665294/verowa.pdfIn PDF document text
    • https://litukepulaj.weebly.com/uploads/1/3/4/8/134863372/6736493.pdfIn PDF document text
    • https://cdn.sqhk.co/guledijuxi/OigV9Rq/zarixov.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/5395f7a0-b8c8-4fb4-939c-c528e5f68d8d/45160998003.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/86162b9e-dc3a-41b4-bfaf-2dd2850d0dce/hack_dungeon_hunter_5_game_guardian.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/26f9783a-21c1-409f-b8e5-a6d65648c15c/national_cycle_windshield_mounting_hardware.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/38905137-74e9-41e1-a856-7da05acb61e5/75152822277.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_off0000daa8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDAA8 5516 bytes
SHA-256: 1de2b846ca28164d0bfc08559d1a59a3fdec9e871022cca187b1c70e2053ac21
font_01_sfnt_off0000ed38.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xED38 11240 bytes
SHA-256: cf76ede5e94d3e7b181f6137f73bb847a7bc72634a50791780dec282911fec30

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