Malicious PDF — malware analysis report

Static analysis result for SHA-256 eacb7c899d9a0cf3…

MALICIOUS

PDF

53.7 KB Authoring application: pstoedit
MD5: 316ab26da15f013f876f31b5f1c46c50 SHA-1: 40001417d0b1d7415849ae427f4d5cf1ccf849b1 SHA-256: eacb7c899d9a0cf3d728f44490ca3f10c3175a5237c967ae950953690f95bb76
150 Risk Score

Malware Insights

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

The PDF contains a large number of external links, a technique commonly used to redirect users to malicious websites. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' and the 'PDF_SEO_LINK_FARM' heuristic strongly indicate a phishing or traffic redirection scheme. The embedded URLs are the primary indicators of compromise, pointing to a network of sites likely serving malicious content.

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://repairplumberfortworth.net/uploads/1/3/0/7/130776786/8750866.pdf
    • http://aptaussieshome.com/uploads/1/3/0/8/130813798/694d33b.pdf
    • http://www.frenchconnection.co.bw/uploads/1/3/0/7/130775129/nagaj.pdf
    • http://www.nallelyformadison.com/uploads/1/3/0/6/130604382/1f5efa4e30165.pdf
    • http://awbphotography.ca/uploads/1/3/0/5/130544136/f4c20c4.pdf
    • http://soulcare.dk/uploads/1/3/0/6/130622103/rekogixener.pdf
    • http://bengalpoker.com/uploads/1/3/0/5/130551728/446583e5.pdf
    • http://realitytvstyle.com/uploads/1/3/0/5/130543877/7013734.pdf
    • http://mtcsrussell.com/uploads/1/3/0/4/130476501/c6011af14cc.pdf
    • http://slowventures.net/uploads/1/3/0/7/130739139/8159687.pdf
    • http://britishhighcommission.net/uploads/1/3/0/2/130291556/9908245.pdf
    • http://dokkanaccountseller.com/uploads/1/3/0/5/130539494/5210518.pdf
    • http://babyg-lash.com/uploads/1/3/0/7/130740378/830b7dc5ce741ec.pdf
    • http://southgatemidcentury.com/uploads/1/3/0/6/130639452/pajavefaxijem.pdf
    • http://bjornarnemo.se/uploads/1/3/0/5/130546076/boguvixipogipada.pdf
    • http://a1805142xstreamtravel.xsideas.com/uploads/1/3/0/2/130287989/130287989.html#hindu+god+stories+pdf

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005223.bin
360a3aa3838e657cc6094e0e2c3f7c0ba365610dac03d55ff0e7434e20c8cc3c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5223 16780 bytes
font_01_sfnt_off0000692a.bin
0a74f62927e6506cf556ce04093ddaf717254a888a2313c4e0126ed6d6ed1ae5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x692A 2484 bytes
font_02_sfnt_off000075b8.bin
118cbc0daf7a11d666457ee4c647dccd0de950ed1b32e96a92cb34ff778a2681		 pdf-font-stream PDF embedded font (sfnt) at offset 0x75B8 8728 bytes

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