Malicious PDF — malware analysis report

Static analysis result for SHA-256 ce089ee015bf9c07…

MALICIOUS

PDF

64.6 KB Authoring application: OpenOffice.org
MD5: 25dd739fec6152c5aa663814b4190334 SHA-1: 9b42ddc92b5c91bc9d67ae0d1a8fa37f83aa1fc0 SHA-256: ce089ee015bf9c076ff22fb549bad5ed48541b2ad93b58aa0a92cff2f3c4881b
152 Risk Score

Malware Insights

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

The PDF contains a large number of embedded URLs pointing to external PDF files, characteristic of a link farm used for SEO manipulation or to distribute malicious content. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' and the ML classifier strongly indicate malicious intent. The embedded URLs are the primary indicators of compromise, suggesting the document's purpose is to redirect users to potentially harmful sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9985

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://doodlepadart.com/uploads/1/3/0/7/130776518/34dc7b.pdf
    • http://millyproducts.com/uploads/1/3/0/5/130544468/fanuk.pdf
    • http://myplushonline.com/uploads/1/3/0/5/130543740/3084928.pdf
    • http://charliesblackpudding.com/uploads/1/3/0/2/130270956/gujinafupo.pdf
    • https://jiwigoxujupoj.weebly.com/uploads/1/3/0/5/130544746/3199489.pdf
    • http://kusumharchandrai.net/uploads/1/3/0/5/130544131/a49ef5d8a.pdf
    • http://crosleyhome.com/uploads/1/3/0/5/130539676/dd03ed9a79bfeb.pdf
    • http://seizediem.com/uploads/1/3/0/7/130775672/130775672.html#yaseen+shareef+full+with+translation

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000115c.bin
05dba1cd1ebadeaeebe7f509923fa3c18d2958a244a95b79b0df4c448013a803		 pdf-font-stream PDF embedded font (sfnt) at offset 0x115C 8780 bytes
font_01_sfnt_off00008971.bin
68575559d44880df155fb7653879dddab0f4b5f4ae2b88a858395136e46183ab		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8971 8660 bytes
font_02_sfnt_off00009fe4.bin
e2f1373bf3d70a40ff4276a486f0a1d2d32154e4f45ad1243a44c3d3b7d91cea		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9FE4 2652 bytes
font_03_sfnt_off0000aa5f.bin
55f1dd85b5f8e9404c267ac86f1c53ab548ceb4899ae06c1bd649d0548419a08		 pdf-font-stream PDF embedded font (sfnt) at offset 0xAA5F 20656 bytes

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