Malicious PDF — malware analysis report

Static analysis result for SHA-256 69ea87610a5da0e0…

MALICIOUS

PDF

36.6 KB Authoring application: PDFBox
MD5: baec27b7c62da7e0c2f27662c7cf63da SHA-1: d3b2d97406fe90940adb99255199576166c2b131 SHA-256: 69ea87610a5da0e017098b96a755494d34a830d5bdc27af847a6249d542df7eb
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs pointing to other PDF files, indicating a link farm or a distribution mechanism for further content. ClamAV detected this as Pdf.Phishing.TtraffRobotInstall, and a critical heuristic identified a mass external PDF link farm. While no scripts were directly extracted, the nature of the embedded URLs suggests a potential for JavaScript execution (T1059.007) to facilitate the redirection or download of payloads, aligning with a phishing or malicious content distribution attack pattern (T1566.001).

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://schoolchoicevermont.com/uploads/1/3/0/7/130740207/fajupovo-jogemebeveseru-xuwulotobepe-zizojoziw.pdf
    • http://topendtour.com.au/uploads/1/3/0/7/130739706/4951e20ca.pdf
    • http://mwtreks.com/uploads/1/3/0/4/130489830/zejimod.pdf
    • http://mail.zillertal-golf.com/uploads/1/3/0/4/130489343/8718602.pdf
    • http://mbatooldashboard.org/uploads/1/3/0/6/130639377/jowerun-kadelezovi-xuvaguna-lixogexajopel.pdf
    • http://michaelamacpherson.com/uploads/1/3/0/7/130739261/7784606.pdf
    • http://moment2meditate.org/uploads/1/3/0/5/130539203/kutojejov-xubokozapum-vareneri.pdf
    • http://millennialconfessional.com/uploads/1/3/0/5/130590076/9a9e5f.pdf
    • http://larksmessage.com/uploads/1/3/0/2/130288406/zebajikoxakad-tomixif-vegimim-kivosekufabo.pdf
    • http://www.ekklesiainsights.com/uploads/1/3/0/7/130739538/5524b84c5e.pdf
    • http://robbenoptics.com/uploads/1/3/0/7/130740206/17149.pdf
    • http://nikitakingphotography.com/uploads/1/3/0/6/130639468/581815c.pdf
    • http://eaglehostel.com/uploads/1/3/0/4/130476307/4006951.pdf
    • http://johnsonandsonsservices.com/uploads/1/3/0/7/130739489/130739489.html#absorption+refrigerator+price

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001435.bin
3701452d0db2ca6763598ac05c851ec6daaf1d40e6ca948bbc34f3440a95a9ee		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1435 8496 bytes

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