Malicious PDF — malware analysis report

Static analysis result for SHA-256 25e7c524fc2d47d7…

MALICIOUS

PDF

39.3 KB Authoring application: OpenOffice Draw
MD5: dfc1619cadef5b564281340c436e4307 SHA-1: 43b5f8a1e9c8ff35582798493bac950cbcdb9772 SHA-256: 25e7c524fc2d47d7e43c6e7d6b2d7225459fd0d165401b1cfe6ef5c389e52f63
152 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links to external PDF files, a technique often used for SEO manipulation or to distribute further malicious content. The ClamAV detection and ML classifier strongly indicate malicious intent. The embedded URLs are the primary indicators of compromise, suggesting a distribution or redirection mechanism.

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://northpointebaptistministries.com/uploads/1/3/0/5/130588639/2373553.pdf
    • http://mgsathletics.com/uploads/1/3/0/5/130540290/8c7ad42167.pdf
    • http://mikeyyates.weebly.com/uploads/1/3/0/2/130272483/jujukofewalalix.pdf
    • http://musingsofageek.com/uploads/1/3/0/6/130604667/6167589.pdf
    • https://muzetikoxufam.weebly.com/uploads/1/3/0/4/130476385/e87b32246147fd.pdf
    • http://tonygezzi.com/uploads/1/3/0/5/130588559/b4358ea6308f928.pdf
    • http://mipalmi.com/uploads/1/3/0/6/130639226/130639226.html#mii+channel+wad+dolphin+download

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001127.bin
ea9e7e50f96cfaf3bd55f3552c2ed8159bd4a0f735afda58b8279e1b41d61617		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1127 8568 bytes

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