Malicious PDF — malware analysis report

Static analysis result for SHA-256 5eeded48613304cd…

MALICIOUS

PDF

46.3 KB Authoring application: PDF Studio
MD5: e06610ca6a87020d9fffb8ee4f5be33f SHA-1: f8c6aa853cf4c29edbf1f7beb94bcebd31b44510 SHA-256: 5eeded48613304cd1003b365afd620bc191cef6b86e551642f3df3f416c416ac
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document was flagged by multiple heuristics, including ClamAV and an ML classifier, as malicious. It contains a large number of embedded URLs pointing to external PDF files hosted on various domains, suggesting a link farm or content distribution network. The presence of these links and the detection of PDF_SEO_LINK_FARM indicate a likely attempt to manipulate search engine results or distribute malicious content through a network of linked documents.

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://mymmtx.com/uploads/1/3/0/6/130604187/piwajokugegadugovo.pdf
    • http://mpopv.com/uploads/1/3/0/6/130604703/4156062.pdf
    • http://eloyjrojas.com/uploads/1/3/0/7/130740212/tomagomo.pdf
    • http://abarakatonline.com/uploads/1/3/0/7/130775493/bupowotis-suputoxukonidaw-pujulodor-rokipafe.pdf
    • http://dalotyn.store/uploads/1/3/0/4/130476098/sudem_fobopapuzuxonix_xofedex.pdf
    • http://nateveorganic.com/uploads/1/3/0/7/130775859/4177363.pdf
    • http://catandtie.com/uploads/1/3/0/5/130588494/bubevejed.pdf
    • http://danlynnwatt.com/uploads/1/3/0/7/130739583/8409801.pdf
    • http://christianhartsough.com/uploads/1/3/0/8/130874370/6349cc9a2e36890.pdf
    • http://webmail.edmtool.com/uploads/1/3/0/4/130477192/9110288.pdf
    • http://ethicalandcompliant.com/uploads/1/3/0/5/130551809/japekonagaxixet.pdf
    • http://brokeboysociety.com/uploads/1/3/0/3/130323214/2241116.pdf
    • http://withwhitandgraceblog.com/uploads/1/3/0/7/130740323/pusepedi-suvajukasupuwe.pdf
    • http://diebaumpflegerowl.de/uploads/1/3/0/2/130272377/gutomiwulezede.pdf
    • http://www.stitchmewarm.com/uploads/1/3/0/5/130551491/xasifisivex.pdf
    • http://oakland-abyssinia-productions.com/uploads/1/3/0/6/130620213/salobane_vatafe.pdf
    • http://tuitionhotsauce.com/uploads/1/3/0/6/130621024/130621024.html#english+exercises+b1+online
    • http://dejavu.sourceforge.net
    • http://dejavu.sourceforge.net/wiki/index.php/License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003faf.bin
fee8d81852334122717895109c2059c260d17b6cbcf32fdac71b28e55c2762cc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3FAF 16508 bytes
font_01_sfnt_off000058eb.bin
4bb69a48e72cf808c2bb632a050946ac80fddbc3a74beebbc4c050cd12b771bc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x58EB 8168 bytes

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