Malicious PDF — malware analysis report

Static analysis result for SHA-256 6a562847d01d462e…

MALICIOUS

PDF

33.5 KB Authoring application: Karbon
MD5: 807fcb290a6ee7ea45391b48a9f8903f SHA-1: a3fa3a92b95268a92847cd9637242f265d9d55ba SHA-256: 6a562847d01d462e0d10ce4e1a4043c45ca0dc90568fe45ab639a9f49bff67c2
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF was flagged by multiple heuristics, including ClamAV and an ML classifier, as malicious. The critical PDF_SEO_LINK_FARM heuristic identified a mass of external PDF links, indicating a likely attempt to redirect users to malicious content or phishing pages. The embedded URLs are the primary indicators of compromise.

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://jaminspiraedu.com/uploads/1/3/0/4/130435602/7299140.pdf
    • http://windsorplaceepsom.com/uploads/1/3/0/2/130271116/0ac94381dbd810d.pdf
    • http://musebeatmedia.com/uploads/1/3/0/6/130620902/fuboxumujeves.pdf
    • http://ndbc-shanghai.com/uploads/1/3/0/7/130739718/5106043.pdf
    • http://ronsokolbooks.com/uploads/1/3/0/3/130379696/gusiwovevo_demizetut_digawidim_paxitiwanelafav.pdf
    • http://jackmillers.net/uploads/1/3/0/7/130775987/4549664.pdf
    • http://seed2bowlfarm.com/uploads/1/3/0/4/130436137/868087.pdf
    • http://anaestheticslondon.com/uploads/1/3/0/7/130775278/130775278.html#nfhs+lacrosse+rules+pdf

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000010fc.bin
e8e691c6f3c545f33401179e4b2a71928d5eea57b869e924afcb621f9e1ea77f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10FC 7484 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.