Malicious PDF — malware analysis report

Static analysis result for SHA-256 73a05374fe902f0c…

MALICIOUS

PDF

43.6 KB Authoring application: ImageMagick
MD5: 9d913873b371c152af43f83d04c6ccdd SHA-1: 8582c2fc9af514838cac6307ea3d33bcc4a0aaf1 SHA-256: 73a05374fe902f0cc052ec1b8a72f18cee565a02f5cd217f070bf5562260edc4
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains a large number of embedded links, identified by the PDF_SEO_LINK_FARM heuristic, suggesting a link farm or redirection scheme. The ML_NYX_PDF_MALICIOUS and CLAMAV_DETECTION heuristics confirm its malicious nature, with ClamAV identifying it as Pdf.Phishing.TtraffRobotInstall. The embedded URLs likely lead to phishing or malware distribution sites, and the document body's urgency language further supports a phishing attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • 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
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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://zoolr.com/uploads/1/3/0/2/130289734/wewivefimat_golunodil.pdf
    • http://optrhodeisland.com/uploads/1/3/0/2/130272267/dekerafiba_madukitexulorew_dorula_labikojapekikuz.pdf
    • http://hsh.org.uk/uploads/1/3/0/6/130639360/gobibawulemasovugag.pdf
    • http://deadlygraphix.com/uploads/1/3/0/7/130774972/kezejikelar.pdf
    • http://courtneyandneal.com/uploads/1/3/0/2/130273571/pusol.pdf
    • http://imac-usa.com/uploads/1/3/0/5/130551962/6259729.pdf
    • http://www.whitecatmusic.com/uploads/1/3/0/6/130620399/lurakiw-xobised.pdf
    • http://teamthomason.net/uploads/1/3/0/3/130323733/boxuxovupevow.pdf
    • http://mail.saboo.com.au/uploads/1/3/0/2/130288316/8a012c5c27db44a.pdf
    • http://mystic-creations.net/uploads/1/3/0/2/130274098/3289014.pdf
    • http://scrumink.com/uploads/1/3/0/7/130739454/614291.pdf
    • http://southparkimageservices.com/uploads/1/3/0/8/130814176/pavizowo.pdf
    • http://skyryanska.com/uploads/1/3/0/5/130551777/6199715.pdf
    • http://mgcoaching.net/uploads/1/3/0/8/130813413/9593918.pdf
    • http://lazyattack.net/uploads/1/3/0/6/130640162/5894904.pdf
    • http://www.divinesoulcenter.com/uploads/1/3/0/6/130639373/nefaregirazebop-gorobod.pdf
    • http://www.americanpeerage.wendellresearchgroup.com/uploads/1/3/0/2/130289524/bb720c299520.pdf
    • http://rochecenter.org/uploads/1/3/0/3/130323421/tiseloxusodomeb.pdf
    • http://marilusdesigns.com/uploads/1/3/0/6/130639349/130639349.html#calf+strain+treatment+uk

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004d59.bin
40cf594350406fadf63f042a9a3a1c887a3413b6cd516686768eafbbf316e76f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4D59 8048 bytes

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