Malicious PDF — malware analysis report

Static analysis result for SHA-256 8955597d8e64962d…

MALICIOUS

PDF

31.4 KB Created: 2020-04-20 06:58:46 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6) First seen: 2026-05-08
MD5: 95d213c76efd21118e03d28cf69d03e4 SHA-1: 16c7aa807e71bc47089736cc6fac05e7d49f345d SHA-256: 8955597d8e64962de72aa957c3ad8a7cae7c525cb4f93aaec86617fc91a41768
94 Risk Score

Malware Insights

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

The PDF document contains numerous external links, a common tactic for SEO poisoning or distributing malicious content. The document body, though heavily obfuscated, contains a URL that appears to be a lure for a 'Scrabble word finder cheat sheet'. The presence of many external links, including a PDF link farm, suggests a coordinated effort to drive traffic to potentially malicious sites. No scripts were extracted, but the PDF structure and heuristics indicate malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9972

Heuristics 3

  • 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
  • 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://cathylibnic.com/uploads/1/3/1/4/131438412/131438412.html#scrabble+word+finder+cheat+sheet PDF link annotation
    • http://lintonwestern.com/uploads/1/3/0/6/130603850/1cfae943e36.pdfIn PDF document text
    • http://juicemeup.shop/uploads/1/3/0/3/130323232/kegotesuwurug.pdfIn PDF document text
    • http://kittycomfortpetsitting.com/uploads/1/3/0/5/130551226/4904084.pdfIn PDF document text
    • http://katharicleaningservicesllc.com/uploads/1/3/0/8/130874058/ed4c918f.pdfIn PDF document text
    • http://sarahjenner.com/uploads/1/3/0/6/130621614/wikezomotemozofadobi.pdfIn PDF document text
    • http://allaboutthedogs.net/uploads/1/3/0/2/130289290/munurefasowejekat.pdfIn PDF document text
    • http://thetranquilgoat.com/uploads/1/3/0/5/130588913/lusobazexapulafixiv.pdfIn PDF document text
    • http://jenniferquiltyrmtcdt.com/uploads/1/3/0/7/130739558/7040703.pdfIn PDF document text
    • http://vi-j.nl/uploads/1/3/0/6/130620807/22a4b2ab79fdc.pdfIn PDF document text
    • http://shadyacreskennel.com/uploads/1/3/0/5/130539714/787244.pdfIn PDF document text

Related samples 1

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

Full JSON: related samples API

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000602d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x602D 8192 bytes
SHA-256: 42df4bd390e00cbfac1df9459c835566bb9fb19a694a63850c09564d88380a21

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