Malicious PDF — malware analysis report

Static analysis result for SHA-256 bebd292ce2161138…

MALICIOUS

PDF

43.8 KB Authoring application: Solid Converter PDF
MD5: 1af7612d0297b46f15b095cf06c72dbb SHA-1: c63ee8eec474fa14f897475becb5dba477cc0a5c SHA-256: bebd292ce2161138d289c4c07de2719d9c83f9c081f5f252ed85ea289ec4b2f2
150 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links to external PDF files hosted on various domains, indicating a link farm or SEO abuse tactic. The ClamAV detection and ML classifier strongly suggest malicious intent, likely related to phishing or malware distribution via these linked documents. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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.
  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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://wagnercottonwedding.com/uploads/1/3/0/4/130435833/3532921.pdf
    • http://myworshipmentor.com/uploads/1/3/0/6/130639653/6317092.pdf
    • http://houstonofficespace.net/uploads/1/3/0/3/130379504/e79926bf869.pdf
    • http://launchachurch.org/uploads/1/3/0/5/130551144/2960412.pdf
    • http://maria-cipriano.com/uploads/1/3/0/7/130738619/pebosuxagumolom.pdf
    • http://offpeaktraining.net/uploads/1/3/0/3/130323251/wovizu-sojege-bawerisudawaz-fularewiw.pdf
    • http://naumu.family/uploads/1/3/0/4/130483537/00853343.pdf
    • http://barrycarmichaelfamilylawlawyer.com/uploads/1/3/0/6/130620290/459218.pdf
    • http://johnchadwick.com/uploads/1/3/0/5/130539350/fexurozat-rewuxivitikozo.pdf
    • http://mauiconcretecontractor.com/uploads/1/3/0/4/130435857/9531642.pdf
    • http://stageflo.com/uploads/1/3/0/2/130287221/2f5cb9661.pdf
    • http://jhanameditation.com/uploads/1/3/0/4/130483070/2680743.pdf
    • http://jetcorpapps.com/uploads/1/3/0/4/130483844/laserisapo-dororewubi-bibulifukoneke-luwamax.pdf
    • http://wtribulski.studio/uploads/1/3/0/5/130545249/3553194.pdf
    • http://my-english-lesson.us/uploads/1/3/0/4/130436173/kosiwo.pdf
    • http://daniyalsaudadvising.com/uploads/1/3/0/9/130970016/8412666.pdf
    • http://regenesisgroup.net/uploads/1/3/0/8/130813732/kavope.pdf
    • http://obediencejourney.com/uploads/1/3/0/6/130639665/degidokalikuni.pdf
    • http://yonatan222.octarinesec.com/uploads/1/3/0/8/130813898/mobet-jopoxowewexu-zizofenijatiwu-mifuzorabuwoz.pdf
    • http://foundyoga.com/uploads/1/3/0/6/130620758/fobukegopij.pdf
    • http://kateforester.com/uploads/1/3/0/8/130813819/7925568.pdf
    • http://montessorilawrence.org/uploads/1/3/0/7/130740455/c9c01.pdf
    • http://2dve3.salon225.com/uploads/1/3/0/7/130739099/130739099.html#comparative+irregular+adjectives+examples
    • http://launchachurch.org/uploads/1/3/0/5/130551144/

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003ca9.bin
e2f1373bf3d70a40ff4276a486f0a1d2d32154e4f45ad1243a44c3d3b7d91cea		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3CA9 2652 bytes
font_01_sfnt_off0000488e.bin
dbde8e4315c7bfc610b9a64c12de97a704ae30ffcd49dfe55a35389de70f7ecb		 pdf-font-stream PDF embedded font (sfnt) at offset 0x488E 8308 bytes

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