Malicious PDF — malware analysis report

Static analysis result for SHA-256 9c460bed2a3d4e6a…

MALICIOUS

PDF

43.3 KB Created: 2020-04-03 03:31:03 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6) First seen: 2026-05-08
MD5: 460ac4eeb7986dbf8709fc0d872fb795 SHA-1: aedcef761de744eeb644670f301fd2de90636b98 SHA-256: 9c460bed2a3d4e6adf48ea86f14f1d3205fe9221fcaec846e9117c73af489175
96 Risk Score

Malware Insights

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

The PDF document contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic. The document body text, though partially garbled, includes a URL that is also present in the list of extracted URLs. This suggests the primary function of the document is to redirect users to a network of potentially malicious websites, likely for SEO spam or to host further malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • 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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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 http://thedogbedcompany.net/uploads/1/3/0/5/130540286/130540286.html#transformar+energia+cinetica+em+el%C3%A9trica PDF link annotation
    • http://vrbeforeitstoolate.org/uploads/1/3/0/3/130323271/wofedajerologogekuw.pdfIn PDF document text
    • http://alsfruittrees.com/uploads/1/3/0/2/130289355/b67975d3968f9.pdfIn PDF document text
    • http://mioduski.us/uploads/1/3/0/4/130435844/986d9c03465.pdfIn PDF document text
    • http://wixomcpa.com/uploads/1/3/0/3/130324451/efe62d418.pdfIn PDF document text
    • http://shepherdofhopeinternational.org/uploads/1/3/0/3/130379408/9587806.pdfIn PDF document text
    • http://piggybacktavern.com/uploads/1/3/0/8/130814674/wijiwofi-zigim.pdfIn PDF document text
    • http://myeatrite.com/uploads/1/3/0/2/130272603/3447313.pdfIn PDF document text
    • http://stagingserver5.com/uploads/1/3/0/6/130620776/b4485.pdfIn PDF document text
    • http://schwabedv.com/uploads/1/3/0/2/130272266/dutize-sepijajerito.pdfIn PDF document text
    • http://myreframe.com/uploads/1/3/0/7/130738657/banase-getabilitisupor.pdfIn PDF document text
    • http://gabeindustries.com/uploads/1/3/0/5/130539913/6f9a539967.pdfIn PDF document text
    • http://barbchat.net/uploads/1/3/0/3/130313156/fanatutubado.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn 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
    • https://fedoraproject.org/wiki/Licensing/LiberationFontLicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000072cc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x72CC 10148 bytes
SHA-256: 9bf0856f22b57d8316e5aa9d6c30d62bc68a3fb1ede4a419fde6710f8ca7c4d2
font_01_sfnt_off00009432.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9432 2652 bytes
SHA-256: e2f1373bf3d70a40ff4276a486f0a1d2d32154e4f45ad1243a44c3d3b7d91cea