Malicious PDF — malware analysis report

Static analysis result for SHA-256 4f3fe962a7ef2713…

MALICIOUS

PDF

29.2 KB Authoring application: SWFTools
MD5: e3d14894f0fe196e827eb0edaf818424 SHA-1: e76d252d0e702ccb54042c9be2e34024716d9af7 SHA-256: 4f3fe962a7ef27133cf529e45459160817a25160301f9400642ea760b2c93982
152 Risk Score

Malware Insights

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

The PDF was flagged by ClamAV as Pdf.Phishing.TtraffRobotInstall-7605656-0 and a machine learning model indicated a high probability of maliciousness. The critical heuristic PDF_SEO_LINK_FARM indicates the presence of a large number of external links, with the primary domain being spicedforyou.com. The document body contains multiple URLs, reinforcing the link farm behavior. This suggests the document is part of a phishing or SEO spam campaign designed to redirect users to potentially malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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://spicedforyou.com/uploads/1/3/0/5/130551782/1995637.pdf
    • https://wakubumujomo.weebly.com/uploads/1/3/0/4/130488195/paperexe.pdf
    • http://rsrolab.com/uploads/1/3/0/5/130539295/vimowed.pdf
    • http://synchronyleds.us/uploads/1/3/0/5/130588332/petexurowavupomujo.pdf
    • http://stokesed508webpage.com/uploads/1/3/0/6/130639994/130639994.html#clasificacion+de+carreteras+en+ecuad

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001156.bin
046d6b9ebd6b4dde494bb9d916bdd0df7dd9a717f58016bd9fafebc2f9ae1c2c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1156 7628 bytes

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