Malicious PDF — malware analysis report

Static analysis result for SHA-256 1def72f982b088fd…

MALICIOUS

PDF

54.3 KB Authoring application: pdf-parser
MD5: 6f483daef45afe48a4dc5058a3ab53cb SHA-1: c1e736ef3a74bcb35992c07fe934b9a7032ae310 SHA-256: 1def72f982b088fd47a0c29f728782226f918fbe7d9b211564fa2d3ef59a6f41
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded URLs, identified by the PDF_SEO_LINK_FARM heuristic, which point to external PDF documents. The ClamAV detection as Pdf.Phishing.TtraffRobotInstall-7605656-0 further supports a phishing or malicious distribution intent. The document body contains text related to photography, likely a lure to disguise the malicious links.

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://peluburezawin.weebly.com/uploads/1/3/0/3/130323409/2160076.pdf
    • http://cass-travis-art.com/uploads/1/3/0/5/130543028/nipumumikiti-danij.pdf
    • http://mycultureprints.com/uploads/1/3/0/6/130639173/towegibajisanamodid.pdf
    • http://mosquesjobs.com/uploads/1/3/0/6/130620728/b84e97b249aa40.pdf
    • http://troop115.com/uploads/1/3/0/7/130775455/5613c6dec6a.pdf
    • http://besticandib.com/uploads/1/3/0/6/130639197/f2a19f79d5.pdf
    • http://thehnossaproject.com/uploads/1/3/0/6/130639124/130639124.html#enlarger+lens+guide

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000112f.bin
de16c0edff0b744072006df36668326bd7d26bef7226a927b6a66bfba5bb84b0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x112F 8704 bytes

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