Malicious PDF — malware analysis report

Static analysis result for SHA-256 0ee2564c699e6c4d…

MALICIOUS

PDF

66.4 KB Created: 2021-02-09 16:52:27 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-17
MD5: d157295a8b20c4b46345614952e83cc5 SHA-1: 8fec319f48563976c4abb21641684916e15cdf6c SHA-256: 0ee2564c699e6c4d861de2f1a3b527ef22a18515254f728642edc6e395372010
244 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://yafferge.ru/wb?keyword=department%20of%20revenue%20missouri%20driver%20guide In PDF document text
    • https://dofolemabumef.weebly.com/uploads/1/3/4/4/134458616/709421.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4477910/normal_5fff6176ec895.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4382004/normal_600db5a91bd49.pdfIn PDF document text
    • https://xegokefizu.weebly.com/uploads/1/3/5/3/135323464/getoben.pdfIn PDF document text
    • https://lovokavupas.weebly.com/uploads/1/3/0/7/130776776/3496075.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4384154/normal_601111308e822.pdfIn PDF document text
    • https://wilowukodol.weebly.com/uploads/1/3/4/8/134881933/bd3e43ae92f1701.pdfIn PDF document text
    • https://fekakekofum.weebly.com/uploads/1/3/4/6/134656499/9411725.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4375076/normal_5fe4940615695.pdfIn PDF document text
    • https://wexabegolorumad.weebly.com/uploads/1/3/4/3/134351445/86109.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://nujidurib.rf.gd/augmented_sixth_chords.pdfIn PDF document text
    • https://s3.amazonaws.com/masevewi/multivariate_data_analysis_with_readings.pdfIn PDF document text
    • https://s3.amazonaws.com/wuwabobujasivor/zafawegaresojoxelawon.pdfIn PDF document text
    • https://s3.amazonaws.com/rebomedug/dikafilosozibubipovoruje.pdfIn PDF document text
    • http://konevimojo.epizy.com/dulikegedipuj.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 8

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_off0000c720.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC720 5388 bytes
SHA-256: 78522fd46fafa89ad63ccf7e1392d59d2f45bc680cf4384250180bb7877905ad
font_01_sfnt_off0000d970.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD970 10296 bytes
SHA-256: d2f6c938232622782abb1c9ad94cda3332327041a370664b714b413a970e748e

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