Malicious PDF — malware analysis report

Static analysis result for SHA-256 a6d02d27f05a649e…

MALICIOUS

PDF

39.2 KB Authoring application: Soda PDF
MD5: c17458d46aca2c6e0525fa3bb4174e7c SHA-1: 4f126be39fb56883901468d7e9d42f7de392c861 SHA-256: a6d02d27f05a649e961ebdc583f905164084e5027af121f0708ee50632758bee
150 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. The ClamAV detection as Pdf.Phishing.TtraffRobotInstall-7605656-0 and the ML classifier's high confidence score further indicate malicious intent. The primary attack pattern involves directing users to a vast array of PDF files hosted on compromised or attacker-controlled domains, likely for SEO spam or to serve as a distribution point for further malware. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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://ametkorca.com/uploads/1/3/0/3/130379251/vojuzigifaxasok-zukojotesiwug-gazitebebapazi.pdf
    • http://hintsforhollywood.com/uploads/1/3/0/2/130270946/mixajewazopabulogo.pdf
    • http://www.striveacademics.com.au/uploads/1/3/0/9/130969937/roligufexuvi.pdf
    • http://74-123-77-206.mgwnet.com/uploads/1/3/0/8/130874276/5790682.pdf
    • http://mobilservredlist.com/uploads/1/3/0/7/130739254/rizezeworazipiresi.pdf
    • http://jbsteas.com/uploads/1/3/0/5/130544240/b8f8d1.pdf
    • http://www.armscointernational.com/uploads/1/3/0/4/130489253/lifep.pdf
    • http://hamiltoncitymobilehomepark.com/uploads/1/3/0/5/130540604/wutokufikix.pdf
    • http://cactusdesignstudio.co.uk/uploads/1/3/0/6/130639268/752d683286fb.pdf
    • http://marriagepriority.com/uploads/1/3/0/6/130640021/gevofukazete_bomixofudego.pdf
    • http://mysamcooke.com/uploads/1/3/0/5/130551094/konirakevorejax-ripog.pdf
    • http://floridasafestaff.com/uploads/1/3/0/5/130551726/tagosuzodonix.pdf
    • http://josschouten.eu/uploads/1/3/0/3/130323900/c739d30f.pdf
    • http://www.bialyinc.net/uploads/1/3/0/7/130776260/e429a5c66d6f8.pdf
    • http://nangrayphotography.com/uploads/1/3/0/8/130814421/6faa1.pdf
    • http://distinctwealthmanagement.com/uploads/1/3/0/5/130540246/003c9e.pdf
    • http://www.lovelustboudoir.com/uploads/1/3/0/4/130435881/nuratop.pdf
    • http://adsl-63-204-18-40.benefitplans.org/uploads/1/3/0/5/130543320/130543320.html#air+cooled+chilled+water+piping+schematic
    • http://ametkorca.c

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003e8e.bin
c4dd524ab6586e6ee20b11bcc6f1bf887fd4a34e908f36ff3af8bc18c3d9b3f5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3E8E 7244 bytes

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