Malicious PDF — malware analysis report

Static analysis result for SHA-256 29fe16099a196deb…

MALICIOUS

PDF

29.7 KB Created: 2020-05-08 05:58:49 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: a1787ca5350e78cf021f822315889d4f SHA-1: 618b92aa3b15f25c685032059570746f26a40447 SHA-256: 29fe16099a196deb9e8ac5f6b543071a7f32f3054467fb13cd6f4d32977a3f9a
92 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF file was flagged by a machine learning classifier and contains a large number of external links, indicative of a link farm or SEO spamming technique. The document body contains garbled text and embedded URLs, suggesting it is not intended for direct user consumption but rather to host or redirect to other content. The presence of multiple unknown URLs points to a potential distribution or redirection mechanism.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9958

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://qualityapplianceslacey.com/uploads/1/3/1/8/131872239/131872239.html#punjabi+boliyan++video
    • http://rollingmeadowsvenue.com/uploads/1/3/0/5/130551302/82361a0ea.pdf
    • http://wheatsvalleylodge.com/uploads/1/3/1/4/131411542/nidixepazutusop_zakewug_kadidekalefi.pdf
    • http://mc2mcgeheellc.com/uploads/1/3/1/4/131483083/4927002.pdf
    • http://notchlokbears.com/uploads/1/3/0/9/130969249/df76c382.pdf
    • http://medicalfundingspecialists.net/uploads/1/3/0/7/130775510/gefesupepasupu.pdf
    • http://homapollo.space/uploads/1/3/0/4/130477278/sixutazudiwire-togovikofud-letuvata.pdf
    • http://casadobroscontracting.com/uploads/1/3/1/4/131412858/subapuvawukajo.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004a60.bin
263aea090968bc03f51ffde532fb5e8183f76e95b71cd9e1b67dde0e94489193		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4A60 9764 bytes

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