Malicious PDF — malware analysis report

Static analysis result for SHA-256 feff6d272e156a19…

MALICIOUS

PDF

50.2 KB Authoring application: ImageMagick
MD5: 781abb26e907aca58fbe4e4b4ba76f8e SHA-1: f21b1a257dc1cd61ad95b0fa4c26609b7e526871 SHA-256: feff6d272e156a19fd54026cb1d7fffb2fc812a7765e97b6c556e5c111d27d2b
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of embedded external links, as indicated by the PDF_SEO_LINK_FARM heuristic. These links point to various PDF files hosted on different domains, suggesting a link farm or redirection mechanism. The ClamAV detection as Pdf.Phishing.TtraffRobotInstall-7605656-0 further supports a malicious intent, likely related to phishing or distributing further malicious content. The document body itself appears to be malformed or truncated, providing no direct content clues.

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://murphcooper.com/uploads/1/3/0/2/130287527/46a2ec4.pdf
    • http://spikedtearadio.com/uploads/2020/01/28/831ca18.pdf
    • http://cathellwilliams.com/uploads/1/3/0/3/130313434/junimavewi.pdf
    • http://sassyfrassy.com/uploads/1/3/0/3/130323417/abcddf208.pdf
    • http://mshipco.com/uploads/1/3/0/6/130604375/5d58a780b2323.pdf
    • http://moongy.net/uploads/1/3/0/2/130291545/7493307.pdf
    • http://elizabethmackintosh.com/uploads/1/3/0/4/130435839/3441bba4365.pdf
    • http://northernwoodlandindianart.com/uploads/1/3/0/6/130605416/781153b5.pdf
    • http://nationalriskmanagementgroup.com/uploads/1/3/0/4/130488888/130488888.html#primary+open+angle+glaucoma+other+names

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000119c.bin
400c4bca1f6d7cfc96893a04d8b545fe9eac0fbf7246764a4565d6515951c42a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x119C 8884 bytes
font_01_sfnt_off00007e78.bin
689fcd5f8143b3df0f7619855acee0c8a99bbae51f6605da1d57fa4aa4f33aad		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7E78 16080 bytes

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