Malicious PDF — malware analysis report

Static analysis result for SHA-256 3e8027745c9832b8…

MALICIOUS

PDF

34.0 KB Authoring application: GIMP
MD5: f0d1be4a30be551c8b33903671bfaa07 SHA-1: ad86846b743f8c9e1a7b089bb7cc3a2c17797482 SHA-256: 3e8027745c9832b87336f743d26c74bf3f20246938084eaf13c9e812e648cbba
150 Risk Score

Malware Insights

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

The PDF contains a heuristic firing for a link farm, directing users to multiple external PDF files hosted on Weebly domains. The document body mentions 'Gaap accounting standards revenue recognition' and includes a link to a suspicious HTML page on 'adventuresbyprice.com', suggesting a social engineering lure. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware distribution.

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 https://kusozowonibubu.weebly.com/uploads/1/3/0/5/130588164/rewip-sidofozipuxij-xodonivin-geleda.pdf
    • https://xapizawawejux.weebly.com/uploads/1/3/0/5/130590233/4396792.pdf
    • https://jixuzorekorumum.weebly.com/uploads/1/3/0/5/130551144/7053252.pdf
    • https://gefarotetuf.weebly.com/uploads/1/3/0/4/130483745/e0c933c462208f.pdf
    • https://mubegizalolute.weebly.com/uploads/1/3/0/5/130543771/f781d.pdf
    • https://tadonikadu.weebly.com/uploads/1/3/0/6/130605396/352358.pdf
    • http://adventuresbyprice.com/uploads/1/3/0/3/130323462/130323462.html#gaap+accounting+standards+revenue+recognition

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000010ee.bin
0a069fee16ca472bd7aaab586a09b8896d6eeacd101fb63b0269163330de8ec8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10EE 8352 bytes

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