Malicious PDF — malware analysis report

Static analysis result for SHA-256 94aaca301ee09e1f…

MALICIOUS

PDF

40.7 KB Authoring application: pdf-parser
MD5: 75301c346c15c6ce56d2075f33f8aad5 SHA-1: 87b5d27b7aa0344231020a5aee26d618c40d6bad SHA-256: 94aaca301ee09e1f9ac8c80ccd90b845cf01ebca8024d16558cf0737845e6cb6
120 Risk Score

Malware Insights

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

The PDF contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic. The ClamAV detection also flags this as a phishing-related sample. The document body contains text related to 'Movie sites free for mobile', suggesting a lure to attract clicks on the embedded malicious URLs.

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://5foot1ninja.com/uploads/1/3/0/6/130621206/4179001.pdf
    • http://lotusventura.com/uploads/1/3/0/4/130488861/lisobukitolonu.pdf
    • http://asiamitchelltabb.com/uploads/1/3/0/6/130620402/91a782.pdf
    • http://nyunderground.info/uploads/1/3/0/4/130491253/130491253.html#movie++sites+free+for+mobile

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00000f87.bin
4db3250d2ce1576db1a55c8e31f92c6562a29796fbb7c455ff7f7132dc4df233		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF87 8016 bytes

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