Malicious PDF — malware analysis report

Static analysis result for SHA-256 abbde10b60ecd359…

MALICIOUS

PDF

43.8 KB Authoring application: ImageMagick
MD5: 6bc1494b5a6dc4498fe96a8afc38d5c7 SHA-1: 77707a0735dfbc606f5b4eba6ed7f66d59925306 SHA-256: abbde10b60ecd3594f9ba329c63c6e11fd5e3067cd1e8a712fbb7645a8e40325
120 Risk Score

Malware Insights

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

The PDF contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. The ClamAV detection as Pdf.Phishing.TtraffRobotInstall-7605656-0 further supports a malicious intent. The document body, while containing some seemingly unrelated text, also includes several URLs that mirror those found in the link farm, suggesting a coordinated effort to direct users to external resources.

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://connectivityusa.net/uploads/1/3/0/4/130490056/2466707.pdf
    • http://microsoftpost.net/uploads/1/3/0/5/130545816/56b19ac69.pdf
    • http://newrichmondoh.org/uploads/1/3/0/6/130621108/tezuzesejabuvedesabo.pdf
    • http://missionhere.org/uploads/1/3/0/4/130483520/rawina.pdf
    • http://nkfanexperience.com/uploads/1/3/0/5/130590026/937513e44cf24.pdf
    • http://shirazvisinko.com/uploads/1/3/0/2/130288864/gumuzidiz_zipuk.pdf
    • http://whatyouwantcreations.com/uploads/1/3/0/6/130639729/pipeset.pdf
    • http://balance4yourlife.com/uploads/1/3/0/6/130604529/fe3fe9a.pdf
    • http://firstollie.org/uploads/1/3/0/7/130739935/4885707.pdf
    • http://msb-art-integration.com/uploads/1/3/0/6/130639859/130639859.html#introduction+to+statistical+learning+pdf+python

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000125b.bin
1f52e6f0da8e8a4a12b12b242d90b84e8e5efaa53bf6fca7ed42596fd9fdf66c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x125B 8972 bytes

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