Malicious PDF — malware analysis report

Static analysis result for SHA-256 68beef25222aa000…

MALICIOUS

PDF

41.0 KB Authoring application: PDFedit
MD5: 839bd0754b99c6972772efad1a220c34 SHA-1: cd20f17e387af0601d0dd2a7ec3f527383c14451 SHA-256: 68beef25222aa000ec7d81db82f1ed541f5af775541734e62fc42b82e1cc8779
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains a large number of embedded links, identified by the PDF_SEO_LINK_FARM heuristic, which strongly suggests a phishing or malicious redirection attempt. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports this assessment. While no scripts were explicitly extracted, the nature of the embedded links indicates an attempt to lead users to potentially malicious content hosted on external domains.

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://barrettexhausts.com.au/uploads/1/3/0/6/130640208/jifasoxeposojuxodire.pdf
    • http://mrbuttsushistory.com/uploads/1/3/0/5/130542859/4769295.pdf
    • http://sheriffproperties.com/uploads/1/3/0/5/130588589/7c2b4a.pdf
    • http://newriver-yoga.com/uploads/1/3/0/2/130289295/683226.pdf
    • http://amusementmgtshirts.com/uploads/1/3/0/2/130291373/7194793.pdf
    • http://monumnentalbeginnings.com/uploads/1/3/0/4/130475901/dugawimisigi.pdf
    • http://vancouvergaragerepair.com/uploads/1/3/0/4/130477293/4872000.pdf
    • http://paramountbuilders.co.uk/uploads/1/3/0/4/130476574/peduzumewojifesak.pdf
    • http://clipture.net/uploads/1/3/0/5/130589246/1062966.pdf
    • http://pachacea.com/uploads/1/3/0/2/130271137/3654748.pdf
    • http://dolack.org/uploads/1/3/0/6/130604140/liwajuzulitekob.pdf
    • http://asiaticsports.com/uploads/1/3/0/5/130589057/130589057.html#sesin+maddeyle+etkile%C5%9Fmesi

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000149b.bin
8adba38023246659a490dce927585db710e8c05168baf4bf8b4af8c960300cff		 pdf-font-stream PDF embedded font (sfnt) at offset 0x149B 9772 bytes

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