Malicious PDF — malware analysis report

Static analysis result for SHA-256 1ed79533ba25c5f9…

MALICIOUS

PDF

28.6 KB Authoring application: Karbon
MD5: 0b4b9a1b55ac8a25cb6a51cdca5106ad SHA-1: eda4e5eaab4a3b2c88ca1cac24cad90e4d5b9648 SHA-256: 1ed79533ba25c5f9b13c62dbb85291183b267f259371d08648e5b8f2d083d626
150 Risk Score

Malware Insights

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

The PDF_SEO_LINK_FARM heuristic indicates a large number of external links, suggesting a distribution or phishing campaign. The ClamAV detection as Pdf.Phishing.TtraffRobotInstall-7605656-0 further supports a malicious intent, likely related to traffic redirection or phishing. The embedded URLs are the primary IOCs for this campaign.

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://ledsolarstreetlight.com/uploads/1/3/0/5/130540477/dumimiregu.pdf
    • http://comfish.com.au/uploads/1/3/0/4/130483350/a7821631a.pdf
    • http://domaindujour.com/uploads/1/3/0/4/130488688/mesusuzew-rixosova.pdf
    • http://www.resandage.com/uploads/1/3/0/6/130605133/1589466.pdf
    • http://mhballhockey.com/uploads/1/3/0/5/130589207/9202391.pdf
    • http://livefoodfestival.com/uploads/1/3/0/4/130476135/ximonusemup.pdf
    • http://doubledsappliances.com/uploads/1/3/0/3/130379741/b886a10adba6.pdf
    • http://cofhhe.org/uploads/1/3/0/4/130477979/9511327.pdf
    • http://sreconomics.com/uploads/1/3/0/7/130739324/rovub.pdf
    • http://insearchforbeauty.com/uploads/1/3/0/7/130740145/tabulaxe.pdf
    • http://southlandpawn.net/uploads/1/3/0/3/130379175/muxusozelu.pdf
    • http://demolitiondownersgroveil.com/uploads/1/3/0/2/130289198/9570418.pdf
    • http://nobordersadventure.voyagerwebsites.com/uploads/1/3/0/3/130379117/130379117.html#trx+abs+workout+video

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000019f3.bin
7a1a64736f7f509d82842b3c4be9957b5cf4b5949ff9bb93a50b26f60a700611		 pdf-font-stream PDF embedded font (sfnt) at offset 0x19F3 7112 bytes

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