Malicious PDF — malware analysis report

Static analysis result for SHA-256 85b295247a2a0a39…

MALICIOUS

PDF

39.0 KB Authoring application: Soda PDF
MD5: a2f34fa640bad510d6aafd33e5ce4c61 SHA-1: d56f06302e2abb1bcb63a0a6b771b8cfd262dac1 SHA-256: 85b295247a2a0a3929e5a354d36b31e67979bed7e29aef10abc3af531c6e36c8
150 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a large number of external links, a technique commonly used in phishing and scam campaigns to redirect users to malicious websites. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or traffic redirection intent. The embedded URLs are the primary indicators of compromise, likely leading to further stages of infection or credential harvesting.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://mission-scamper.com/uploads/1/3/0/3/130323469/jaxep.pdf
    • http://thendralgardens.com/uploads/1/3/0/4/130489627/nanesaxi_kivexup_murimekap.pdf
    • http://screencircus.com/uploads/1/3/0/4/130489539/900aae3c17348.pdf
    • http://xtrabyte.today/uploads/1/3/0/6/130620207/gadalilugok.pdf
    • http://djsacademy.com/uploads/1/3/0/7/130775961/130775961.html#scaled+agile+framework+agilist+exam

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001201.bin
338f7cd89235cb80e65ab4798f114a870864f3d10ceb94f9bb761a4c27db803e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1201 9356 bytes

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