Malicious PDF — malware analysis report

Static analysis result for SHA-256 a10df3bdeca5c3d1…

MALICIOUS

PDF

60.3 KB Authoring application: OpenOffice.org
MD5: 6b562579f7f1785bb0017d834c6eba87 SHA-1: 3742ebdfc5fb6b7ce7ff5a0ef88e8a3614bd7a24 SHA-256: a10df3bdeca5c3d1778532c2a5c76b23fdb8eb31828542e3dc18f325a776a293
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded external links, as indicated by the PDF_SEO_LINK_FARM heuristic. These links point to various domains, suggesting a coordinated effort to distribute content or redirect users. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a malicious intent, likely related to phishing or traffic generation.

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://stalvanmourik.com/uploads/1/3/0/4/130476348/mavosukilufim.pdf
    • http://mydne.com/uploads/1/3/0/5/130540293/banozaxiparutuz-towamavejizira-jatubopaturut-jogadugup.pdf
    • http://rockthedam.org/uploads/1/3/0/4/130483263/fufilavemowu.pdf
    • http://bravemotorsport.com/uploads/1/3/0/4/130491852/zasigifipep.pdf
    • http://survivingmytwentysomethings.com/uploads/1/3/0/3/130379740/pomif-zadinofebosi-dibujapegos-sivepit.pdf
    • http://reboundat.com/uploads/1/3/0/5/130551181/130551181.html#allusion+in+lord+of+the+flies

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000011cb.bin
9f6e96d396a310a1f1d4041aa89ca4393b00d41a807dc723cee2d957eed294c3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x11CB 8356 bytes

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