Malicious PDF — malware analysis report

Static analysis result for SHA-256 e09c587a5ae66793…

MALICIOUS

PDF

37.2 KB Authoring application: pstoedit
MD5: 78183775e7150c02f315c19f5fdcf5ba SHA-1: 3ccc2c61072eb21a8e14719c154c29545c64bfc6 SHA-256: e09c587a5ae66793875f26c86a56ca9bc79c07d3a4089b6b9e55c9a15b3c2d5e
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links to external PDF files, as indicated by the PDF_SEO_LINK_FARM heuristic. The ClamAV detection of Pdf.Phishing.TtraffRobotInstall-7605656-0 further supports a malicious classification. The embedded URLs are likely used to distribute phishing content or manipulate search engine results.

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://angiesgroomingshop.net/uploads/1/3/0/6/130640190/3460006.pdf
    • http://charlieleegeorge.com/uploads/1/3/0/2/130270776/xezis.pdf
    • http://freechoicelearning.org/uploads/1/3/0/6/130620670/mokunalozo.pdf
    • http://vitaltower.com/uploads/1/3/0/5/130550790/4ecc6b9336.pdf
    • http://carrollcenter.org/uploads/1/3/0/6/130639281/5460492.pdf
    • http://quantumlevelsoulhealing.com/uploads/1/3/0/4/130436020/a6afbdf0fdecfd.pdf
    • http://lighteracu.com/uploads/1/3/0/6/130639765/6002793.pdf
    • http://royal-honeys.com/uploads/1/3/0/7/130740175/fowugalovivevibami.pdf
    • http://castlehallnews.com/uploads/1/3/0/5/130551051/dugixetiwumudekib.pdf
    • http://thepilgrimageofhope.org/uploads/1/3/0/6/130639883/vewozulukugefizifa.pdf
    • http://acot.website/uploads/1/3/0/7/130739688/bimul_rezuvito.pdf
    • http://naturalroofingslate.net/uploads/1/3/0/7/130739478/409016.pdf
    • http://larkappella.com/uploads/1/3/0/3/130324050/vexatasu-zomanojegilamax-pijonenanulun.pdf
    • http://mycryosculpt.com/uploads/1/3/0/4/130489969/6d91d5.pdf
    • http://ourpsychosis.com/uploads/1/3/0/4/130435531/41183739.pdf
    • http://onlinelarry.net/uploads/1/3/0/6/130604054/66cc6494d3e45.pdf
    • http://jiebaoyulechengbeiyongwangzhi.br3h.com/uploads/1/3/0/6/130640078/130640078.html#how+to+convert+many+pdf+files+to+one+pdf+file

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000035b8.bin
b5c7616251d5f88074654986089109a144328ef01fe81008ef481aee2230696c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x35B8 7876 bytes

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