Malicious PDF — malware analysis report

Static analysis result for SHA-256 cc4b0679d08d2ba4…

MALICIOUS

PDF

35.4 KB Authoring application: Poppler-utils
MD5: 4735e55c9cd3026e5c61c015a23df4f0 SHA-1: 07cf4a2b393c6c8f8e49b6a56fa9c09eea10b4b8 SHA-256: cc4b0679d08d2ba49147721e23b8dfc38d6d67e3a79d5cf78d7b6a9111ef3d06
120 Risk Score

Malware Insights

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

The PDF file exhibits a critical heuristic firing for PDF_SEO_LINK_FARM, indicating a mass of external links. The ClamAV detection as Pdf.Phishing.TtraffRobotInstall-7605656-0 further supports a malicious classification. The embedded URLs, predominantly pointing to other PDF files on various domains, suggest a link farm or redirection mechanism likely used for phishing or distributing further malware. No scripts were extracted from this sample.

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://akhbar-almasdar.com/uploads/1/3/0/6/130622092/wafud.pdf
    • http://mixbotanicals.com/uploads/1/3/0/6/130639691/vetugi.pdf
    • http://nancywijnants.com/uploads/1/3/0/7/130775274/21045ecd0.pdf
    • http://cbcsomerset.com/uploads/1/3/0/4/130483279/zalula-wukodu-xodameze.pdf
    • http://thehighlandshollywood.org/uploads/1/3/0/6/130605010/zevunagotiti_vonopagolubeju_vebadale.pdf
    • http://healthlogr.com/uploads/1/3/0/2/130287727/nupipoma-fasaraxofov-xuwafizu.pdf
    • http://beardedbeaverco.com/uploads/1/3/0/5/130547613/bozajurabixug-riduwoxixufev.pdf
    • http://rhonddaladieshockey.co.uk/uploads/1/3/0/5/130539412/tuverifofogini.pdf
    • http://acceleratecleaning.com/uploads/1/3/0/7/130739635/sadotorafug.pdf
    • http://smoothtransitionservices.com/uploads/1/3/0/7/130739103/8475791.pdf
    • http://paperbirchyoga.com/uploads/1/3/0/5/130543010/wobufixiv.pdf
    • http://themountaingreen.com/uploads/1/3/0/8/130813037/musadewipiki_zosezeremeri.pdf
    • http://moadim.net/uploads/1/3/0/5/130540281/bewuxisiwobe.pdf
    • http://crosshopefellowship.org/uploads/1/3/0/7/130740033/sixugidu_zesubifu_zifabigakilefow.pdf
    • http://northjerseydirectmail.com/uploads/1/3/0/6/130621486/d31b0.pdf
    • http://mhrandlenovels.com/uploads/1/3/0/7/130740244/130740244.html#northouse+leadership+theory+and+practice

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002eed.bin
38402cb549d6fef1932b5bc91e3dc05862f5437b1fce893be075c60930cd5f00		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2EED 7956 bytes

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