Malicious PDF — malware analysis report

Static analysis result for SHA-256 004c00d36b5d3ae8…

MALICIOUS

PDF

41.3 KB Created: 2020-09-18 06:23:51 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 134278c0be0a9169f38a9c9aba879ec0 SHA-1: 30e1e375a112100961b385cef4e31d0095e7e811 SHA-256: 004c00d36b5d3ae83ff42150e0dfb995f7551962120f30e47b9ee7f9a4734802
204 Risk Score

Malware Insights

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

This PDF document functions as a link farm, containing numerous embedded URLs that lead to other PDFs or potentially malicious sites. The primary malicious URL identified is https://ttraff.club/wix, which is flagged as a known malicious redirector. The document's structure and content suggest a lure to trick users into visiting these links, possibly for SEO manipulation or to distribute further malware. No scripts were extracted, but the presence of multiple links and the ML classifier's high confidence indicate malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 6

  • 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.
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
  • 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/wix?keyword=structure+of+the+atom+worksheet+answers+section+1 In PDF document text
    • http://wubul.jostenmyburgh.com/uploads/1/3/1/4/131438188/9956b7d.pdfIn PDF document text
    • http://files.immortalinquiry.com/uploads/1/3/0/8/130813516/pebupo_rokiposefuta_wemax_pasegepimonel.pdfIn PDF document text
    • http://roxadusi.beatlesnow.com/uploads/1/3/1/6/131636725/b6f9a520fe9.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://2bf199d9-72f5-4eca-9191-c8e8e8a7199c.filesusr.com/ugd/e1d12c_fc2f2630078d42b087afa1d7cebdddbc.pdf?index=trueIn PDF document text
    • https://6e8c98c5-66cb-4079-b96d-4fb05596901a.filesusr.com/ugd/0049ca_29d3091e193247dba2ee65ea7e017278.pdf?index=trueIn PDF document text
    • https://f65e3a97-bfd6-41cb-88ee-2a8475674817.filesusr.com/ugd/3eed2b_23dbee70f07246ab9dafad8ca52687f7.pdf?index=trueIn PDF document text
    • https://5393e7e0-3467-4b9b-bb18-c4c96e0963d2.filesusr.com/ugd/2f3216_7de5cdccf5e44c92a83e9faea810495a.pdf?index=trueIn PDF document text
    • https://1007eb89-752e-4ba8-957f-8f9f089c1749.filesusr.com/ugd/7a359d_d5cde854f5354180a86263442f3d7a2c.pdf?index=trueIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2388/2664/files/1230440689.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8344/0030/files/nolasul.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

Related samples 2

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006265.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6265 5400 bytes
SHA-256: 5962166407176aaff64ff0202df6ed6650f69fbdbb238899a897be633c2a2ce9
font_01_sfnt_off000074b3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x74B3 10504 bytes
SHA-256: c9aa396602f77c19986d64f36a0faaa3c69fe11a4e0267cad46ddb6bd5e74683

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