Malicious PDF — malware analysis report

Static analysis result for SHA-256 510d8caa3369fa49…

MALICIOUS

PDF

41.6 KB Authoring application: pstoedit
MD5: 5cc65e158fb04d6af0db6fe3ad430d70 SHA-1: a69c3ea816c361948c9d3f0514da770eb9e5082e SHA-256: 510d8caa3369fa4948b4ff3135fe99bf20695bd1f3cf8965308042d7dc7a69fd
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of embedded URLs pointing to external PDF documents, a technique often used for SEO spam or to distribute malicious content. The ClamAV heuristic also flags this as a phishing-related detection. No scripts were extracted from this sample, limiting the ability to determine specific payload delivery mechanisms.

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://ajoyfulword.com/uploads/1/3/0/4/130476516/2479606.pdf
    • http://firsttimeinkenya.org/uploads/1/3/0/7/130739627/1565842.pdf
    • http://bekindbeusefulvote.com/uploads/1/3/0/3/130323324/bilekanalibob.pdf
    • http://myseppo.com/uploads/1/3/0/6/130604939/dufujofagosebiwab.pdf
    • http://mibaccountants.com/uploads/1/3/0/5/130550874/borejigiforax_jurizujidin_wizul.pdf
    • http://jjbennett.com/uploads/1/3/0/6/130621135/59cd6d9933f8.pdf
    • http://iwifihelp.com/uploads/1/3/0/4/130483373/1948715.pdf
    • http://nederland-verzilvert.nl/uploads/1/3/0/3/130323110/murijebuledezu.pdf
    • http://monica-garg.com/uploads/1/3/0/5/130544390/felotowasad_taruxara_diwafotatojo_wotajuwo.pdf
    • http://greshamaccidentlawyer.com/uploads/1/3/0/4/130488098/munod.pdf
    • http://aminotrack.com/uploads/1/3/0/2/130288492/5173267.pdf
    • http://rachelsaitzyk.com/uploads/1/3/0/8/130813859/bezojox.pdf
    • http://infinityyangon.org/uploads/1/3/0/5/130550949/ad57979b3b49960.pdf
    • http://electdickiebraswell.com/uploads/1/3/0/2/130287881/676571eea4af.pdf
    • http://o2fm.com/uploads/1/3/0/5/130540504/wibizonelufa_xatozurivu_zusikidatima_tomexoxi.pdf
    • http://herrinsbc.com/uploads/1/3/0/6/130639145/tojuginopodoxiv.pdf
    • http://smartflatfeelisting.com/uploads/1/3/0/7/130738673/d51dd577533cf27.pdf
    • http://fs13kl.bdgct.com/uploads/1/3/0/9/130968937/130968937.html#severe+pain+lower+left+abdomen+pregnant

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000046da.bin
c05df2b465a86d3256a8f74999ceb96e4635fea87151e7a5d5630ecf8cb66269		 pdf-font-stream PDF embedded font (sfnt) at offset 0x46DA 7756 bytes

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