Malicious PDF — malware analysis report

Static analysis result for SHA-256 f0a2949059f32db5…

MALICIOUS

PDF

35.2 KB Authoring application: SWFTools
MD5: fd255bb965de7eca7ca265830c27faf8 SHA-1: b2f39ea6ca1ff523802f33d688e1ef3a10160a17 SHA-256: f0a2949059f32db5470c5e539d860c709653e9ae2a2fc2dc7a8b53af6ce5c4ed
150 Risk Score

Malware Insights

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

The PDF was flagged by multiple heuristics, including a critical finding for a link farm and a ClamAV detection for 'Pdf.Phishing.TtraffRobotInstall-7605656-0'. The embedded URLs strongly suggest a phishing or redirection campaign, aiming to lead users to potentially malicious content. The ML classifier also provided a very high confidence score for maliciousness.

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://ncespta.com/uploads/1/3/0/4/130483305/tufejevunaxa_livuse_zorerij_bawumurakomew.pdf
    • http://becomeacontractor.com/uploads/1/3/0/4/130476513/5177121.pdf
    • http://comtec.ch/uploads/1/3/0/5/130540176/9b1126b28474.pdf
    • http://morrowproperties.net/uploads/1/3/0/7/130739697/3717263.pdf
    • http://worldgolflessons.com/uploads/1/3/0/2/130291694/setevibepuvel.pdf
    • http://bankifscs.com/uploads/1/3/0/2/130289738/wojewesuviros.pdf
    • https://wuwanemituniwim.weebly.com/uploads/1/3/0/2/130289493/9321660.pdf
    • http://5pointauto.com/uploads/1/3/0/7/130739180/130739180.html#bergey%27+s+manual+volume+5+pdf

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000119a.bin
83c131b02f0135bcec6e0a8b7c9e4fdeda7ba5cbd71d771168647e49bbc7e983		 pdf-font-stream PDF embedded font (sfnt) at offset 0x119A 8976 bytes

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