Malicious PDF — malware analysis report

Static analysis result for SHA-256 c00ea9d0dc751870…

MALICIOUS

PDF

35.5 KB Authoring application: Mobipocket Creator
MD5: 9274f364301be3e74955a87006340407 SHA-1: affa7640a04e233f73ea328ab3f35d7f46c340ba SHA-256: c00ea9d0dc751870e2f80db124bdc543b8174b9dd8b62859ab9d812cc88f5f7f
120 Risk Score

Malware Insights

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

The PDF_SEO_LINK_FARM heuristic indicates this file contains a large number of external links, a common tactic for distributing malicious content or conducting phishing campaigns. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall' further supports a malicious intent. The embedded URLs point to numerous other PDF files, suggesting a link farm designed to redirect users to potentially harmful sites.

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://theultimatecruiser.com/uploads/1/3/0/6/130639092/b5cff.pdf
    • http://www.alpha-reach.com/uploads/1/3/0/6/130604672/lidadezavexajor.pdf
    • http://naturesblissjamaica.com/uploads/1/3/0/6/130620172/sevifagomaju.pdf
    • http://battlecreekendo.com/uploads/1/3/0/3/130323401/toforizawol.pdf
    • http://designbcs.com/uploads/1/3/0/6/130605374/bidovaj_biralo_rigajis.pdf
    • http://puriri-wiltshire.co.nz/uploads/1/3/0/5/130550937/1623303.pdf
    • http://immediateinsight.com/uploads/1/3/0/2/130289693/2012974.pdf
    • http://mycentralparkwest.com/uploads/1/3/0/6/130620509/5179710.pdf
    • http://mistereeproject.com/uploads/1/3/0/7/130776592/9883451.pdf
    • http://joyceandcraig.com/uploads/1/3/0/6/130621208/d5c00d82.pdf
    • http://127onyork.com/uploads/1/3/0/6/130604486/pitojevugaka_tagevapagok_wikomenapareki_puzoriw.pdf
    • http://community-training.org/uploads/1/3/0/7/130738739/zutejajofi.pdf
    • http://joshleephotojournalist.org/uploads/1/3/0/6/130621946/130621946.html#differences+between+autocratic+and+democratic+leadership+style

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003264.bin
0f3ed556ce438eda798534416b4ef122d928a09a694fecdac26e3fa5cfb5b9ee		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3264 8008 bytes

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