Malicious PDF — malware analysis report

Static analysis result for SHA-256 7c2ab269732b85cb…

MALICIOUS

PDF

78.1 KB Created: 2020-12-29 18:47:17 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: 131a9a058b5f7e5345adccfa95c2b696 SHA-1: 3d6c18dcb90fcd4d1b97823c6c1d05131eaf8f91 SHA-256: 7c2ab269732b85cb9ffd49d1a9f01836b6b9718be73fa1d07607768246a0a0b1
244 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF file contains numerous embedded links, many of which point to redirector infrastructure. The primary malicious URL identified is 'https://ggtraff.ru/strik?utm_term=amtrak+schedule+san+antonio+to+los+angeles', which is flagged as a malicious redirector. The document's structure and embedded links suggest it is part of a link farm designed to drive traffic to malicious sites, likely for phishing or malware distribution.

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://ggtraff.ru/strik?utm_term=amtrak+schedule+san+antonio+to+los+angeles In PDF document text
    • https://cdn-cms.f-static.net/uploads/4451542/normal_5fa24eb71748f.pdfIn PDF document text
    • https://buwulikifem.weebly.com/uploads/1/3/4/5/134583505/a25fde20661a.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4383572/normal_5f97c8ef90407.pdfIn PDF document text
    • https://zatuduxe.weebly.com/uploads/1/3/4/5/134595584/400280738c6a5.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4409811/normal_5fbc653d6aaf8.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4452161/normal_5fb687ead313d.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4409113/normal_5fe3b9e5d4891.pdfIn PDF document text
    • https://munazuzane.weebly.com/uploads/1/3/4/3/134350045/6467333.pdfIn PDF document text
    • https://rukagevilatixa.weebly.com/uploads/1/3/1/6/131608017/8010686.pdfIn PDF document text
    • https://guwewekotijiz.weebly.com/uploads/1/3/4/7/134714515/nujewotaf.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4530868/normal_5fe0b75791e19.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/nuxepiduded/duvij.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f4bc0888-77d3-4a3b-bda0-3e62d3f1e978/canon_2900_l11121e_printer_driver_fr.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ce0e0467-d780-4351-bee9-9c3faff02ff2/rebecca_caudill_2020.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/60b71aee-2563-4d34-9e24-189d61b5117f/vakevizozobonusakijo.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/eae6865f-0e3d-43de-9f75-a107548ed913/idle_armies_cheat_codes.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_off0000f165.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF165 5408 bytes
SHA-256: e38494466ab2ce75c3e9e96c3b777a595ad8149d38a1dde8b587e5f62a1aa8e1
font_01_sfnt_off00010398.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10398 11956 bytes
SHA-256: 7d04e11f999a9c44cf12f9de78bd745b3716b99301149406d9deea004a97cbd4

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