Malicious PDF — malware analysis report

Static analysis result for SHA-256 f0987c88547cdb4e…

MALICIOUS

PDF

42.9 KB Created: 2020-03-11 02:59:20 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: ffe15d3dc8ff41268067b1f54254632d SHA-1: 1074be355ec595feef3f12745f5cfe1b80a97359 SHA-256: f0987c88547cdb4eaf3ebcae91e168bd66dc1305a502b7226e7c247dd9be0c25
62 Risk Score

Malware Insights

MITRE ATT&CK
T1598 Gather Victim Identity Information T1204 Malicious Link

The PDF document contains a heuristic firing for a link farm, indicating a large number of external links. The document body and extracted URLs reveal a pattern of linking to numerous PDF files hosted on unrelated domains. This suggests the primary purpose is to manipulate search engine results or to act as a distribution point for other malicious content, rather than delivering a direct payload within this file. No scripts were extracted, limiting further analysis of direct execution capabilities.

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://ereksitahanlama.com/uploads/1/3/0/3/130313087/130313087.html#list+of+french+adjectives+to+describe+personality
    • http://3amdesignsbyac.com/uploads/1/3/0/3/130323972/sesuvuxajimipuzi.pdf
    • http://www.dirkhasslehoff.com/uploads/1/3/0/7/130738647/famepivawewe-bafuwubuz.pdf
    • http://shopepe.com/uploads/1/3/0/4/130435722/jawakinavukutuk-jarurafu.pdf
    • http://fem730.com/uploads/1/3/0/4/130489465/redon-logedifobodi-jisivaromov-xiwug.pdf
    • http://floodexpress.com/uploads/1/3/0/4/130435972/garawutako.pdf
    • http://www.thebatmanstatuecollector.com/uploads/1/3/0/6/130620296/9491517.pdf
    • http://www.newdealpawnhendersonville.com/uploads/1/3/0/6/130639052/dutizorafajusid-xewogav-kabukinututa.pdf
    • http://skipstonepublishing.com/uploads/1/3/0/5/130543976/sixinuwak_vakuwalafesulid_gagujuturelek.pdf
    • http://mossfrogoutfitters.com/uploads/1/3/0/6/130604424/276796.pdf
    • http://www.ericafrierson40.com/uploads/1/3/0/6/130603946/687546.pdf
    • http://robeautyfaith.com/uploads/1/3/0/7/130775871/tigijulal.pdf
    • http://partywife.net/uploads/1/3/0/6/130604757/buvosuxigus_xovegike_toriwozagan.pdf
    • http://scottcookept.com/uploads/1/3/0/6/130604025/76d3a51265.pdf
    • http://myludingtontherapy.com/uploads/1/3/0/4/130483872/nepovobesi-wulukeduvip-zerurebi-vesafe.pdf
    • http://schermaihemstudios.com/uploads/1/3/0/8/130813740/xexenawafidikaka.pdf
    • http://www.slim-treats.com/uploads/1/3/0/9/130969573/jedokujo-jagafiga.pdf
    • http://donnayoo.com/uploads/1/3/0/6/130604955/tevenivuniganu.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • 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_off00007d4f.bin
b0af409a36810365b5bcb59116a7dc5163f708236fac58865a329ac6331e4e3f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7D4F 9308 bytes

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