Malicious PDF — malware analysis report

Static analysis result for SHA-256 21f694426ce77f24…

MALICIOUS

PDF

48.3 KB Authoring application: SWFTools
MD5: 2193a08377c9183c9610c66d88aa3822 SHA-1: 9851ea05b8ccfb6d10faf85f0965e00091ae5d42 SHA-256: 21f694426ce77f2495bd6f4d30eeff0d54a0583819750aab1edc67c11417aa00
152 Risk Score

Malware Insights

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

The PDF contains a large number of external links, identified as a 'PDF_SEO_LINK_FARM' heuristic. This suggests the document is designed to manipulate search engine results or redirect users to potentially malicious content hosted on numerous domains. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or traffic-driving intent. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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://peaceofmindkindercare.com/uploads/1/3/0/5/130588980/bugidunigekozi-fasasu-nuruwavamutobev-maxuf.pdf
    • http://mygreatideas.co.nz/uploads/1/3/0/5/130540789/rinerewo-vuwemuzo.pdf
    • http://anxiouslittlepishy.com/uploads/1/3/0/2/130271116/650d521.pdf
    • http://rdnu2u.com/uploads/1/3/0/4/130476624/riraniwikataririm.pdf
    • http://fincalajordana.com/uploads/1/3/0/2/130291552/jenulomuw.pdf
    • http://mirroryourbrilliance.com/uploads/1/3/0/7/130740235/tivudo-bagakunigoj-wadebawabe-linizekovi.pdf
    • http://ab4xy.com/uploads/1/3/0/4/130488286/metulepavu.pdf
    • http://mgsathletics.com/uploads/1/3/0/5/130540290/8c7ad42167.pdf
    • http://meowstories.us/uploads/1/3/0/2/130289247/kigexetiwor_jexobu.pdf
    • http://miko-trans.pl/uploads/1/3/0/5/130545021/8848516.pdf
    • http://nadiaprice.com/uploads/1/3/0/5/130543280/cace5c16.pdf
    • http://bagelboulevard.com/uploads/1/3/0/2/130289756/130289756.html#the+last+sacrifice+read+online

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000012dc.bin
c3395a0c9d58fb9c7bf04d948e710a9a4355cad26c814bad1e135c588c9d0767		 pdf-font-stream PDF embedded font (sfnt) at offset 0x12DC 8016 bytes

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