Malicious PDF — malware analysis report

Static analysis result for SHA-256 c712552fdfa3c2ed…

MALICIOUS

PDF

35.3 KB Created: 2020-09-17 23:47:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: 9a9620ebd7fbb1111cfa56bc6220d66a SHA-1: 3b2029e5cbc3f1ecd22f28b7fca46b15ea8a5c02 SHA-256: c712552fdfa3c2ed6d773938e854e7653cbd0fb89e59d9d8b1312ec6218731d2
244 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF contains numerous invisible and malicious redirector links, as indicated by the PDF_REPEATED_PAYLOAD_LINK_LURE and PDF_MALICIOUS_REDIRECTOR_LINK heuristics. The primary lure appears to be related to 'live me unlimited coins hack tools.com'. The document body also contains this URL and other PDF links, suggesting a link farm strategy to improve search engine ranking for malicious content. The ML classifier strongly supports the malicious verdict.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 6

  • Invisible/repeated PDF links deliver payload file critical PDF_REPEATED_PAYLOAD_LINK_LURE
    PDF uses invisible link annotations and points to a direct payload download. Repeated invisible links or lure-like payload names such as document/unlock/verify archives match malware-delivery PDF carriers where the page is only a prompt and the real payload is fetched from the linked URL.
  • 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.me/wix?keyword=live+me+unlimited+coins+hack+tools.com In PDF document text
    • http://bunila.mbcnavarino.org/uploads/1/3/1/8/131856158/jodafobaxad_vazakamusonu_tagope_wowaparenexi.pdfIn PDF document text
    • http://files.csnobcs.org/uploads/1/3/1/4/131452806/c9c3257b.pdfIn PDF document text
    • http://files.cmztech.net/uploads/1/3/1/6/131637014/rematupoki.pdfIn PDF document text
    • http://files.pocketsbydesign.com/uploads/1/3/0/7/130775747/5444292.pdfIn PDF document text
    • http://files.carolyncardinet.com/uploads/1/3/1/8/131860204/1338404.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://2b11ca0b-a654-45cf-9a4f-1a5a7a0aaad4.filesusr.com/ugd/6cf0f5_e644451e76654500b05ae9d65dc6a05e.pdf?index=trueIn PDF document text
    • https://38b4dc07-8bd4-423a-b472-55387772980b.filesusr.com/ugd/e23fbb_5f86c9b261c04ef0a518878548373582.pdf?index=trueIn PDF document text
    • https://2e949d7b-01b0-40dc-bc89-745911a72fdd.filesusr.com/ugd/a2e20a_03c262449f2748e092cbf60871784b24.pdf?index=trueIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/94430640368.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/5624/1557/files/nuninajibuxekusudezidama.pdfIn PDF document text
    • https://06958dbc-9544-4fdb-b1f3-4130c747a00b.filesusr.com/ugd/9bd82e_1bda630a9ad9486991f47fe3b65995ac.pdf?index=trueIn PDF document text
    • https://7d10402e-b19a-48eb-8de3-a14d58615126.filesusr.com/ugd/0a052f_ce24ec36491d431d88f842faf905fea8.pdf?index=trueIn 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 6

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_off00004d41.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4D41 5180 bytes
SHA-256: b45ef7ca66331d1b3507002d4800a7beacb093329a723c76736f717f19f806e1
font_01_sfnt_off00005ec5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5EC5 9900 bytes
SHA-256: f1435912f41a47313531f82efdd4569fa1c784e752b43781f647c3ea2575e7bc

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