Malicious PDF — malware analysis report

Static analysis result for SHA-256 f5ab8d4ff72c766d…

MALICIOUS

PDF

39.0 KB Created: 2020-04-03 12:01:51 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 9dac802cb02a98e4862b8bd5b63ddb48 SHA-1: eebc45b98edb60a2696ccc6afb6ca3c2dbdb59bd SHA-256: f5ab8d4ff72c766d41251805931502480759f6b5a635db4c66f4abff2dc64d9e
92 Risk Score

Malware Insights

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

This PDF document contains a large number of external links, a technique often used for SEO spam or to redirect users to malicious sites. The ML classifier strongly indicated maliciousness. No scripts were extracted, and the document body primarily consists of obfuscated text and URLs, reinforcing the interpretation of a link farm or redirection scheme.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://mindstate.store/uploads/1/3/0/2/130270832/130270832.html#93+honda+fourtrax+300+specs
    • http://californiacraftservices.com/uploads/1/3/1/0/131069921/bovokusubi_fetaxoboxogutu_vafedolupivile_jamopekukab.pdf
    • http://yangshengmother.com/uploads/1/3/0/4/130476172/104a0a.pdf
    • http://wriggsww.com/uploads/1/3/0/7/130739309/1846578.pdf
    • http://5o1c3events.com/uploads/1/3/0/2/130271124/fopawefir.pdf
    • http://skyefcameron.com/uploads/1/3/0/8/130874332/jefewivexulilularim.pdf
    • http://rangoonrubyrestaurant.com/uploads/1/3/0/7/130776162/jemitifafupex_tarerami.pdf
    • http://cottondogco.com/uploads/1/3/0/3/130380002/luxigiwekilikeraj.pdf
    • http://rebeccahigginson.com/uploads/1/3/0/4/130476204/626597.pdf
    • http://symschall.store/uploads/1/3/0/5/130588509/puliwifun-wawuraradilu-nebav-piris.pdf
    • http://supremefoundations.ca/uploads/1/3/0/7/130739781/dijafividoginu.pdf
    • http://shuyukan.ch/uploads/1/3/0/6/130640015/02fd0662c93.pdf
    • http://wendys-designs.com/uploads/1/3/1/4/131437603/3a912.pdf
    • http://memawsporch.com/uploads/1/3/0/3/130313468/wefefubulus.pdf
    • http://kilnedsy.store/uploads/1/3/0/4/130483993/doxakavobeg.pdf
    • http://swiftgarageparts.com/uploads/1/3/0/7/130738918/xoxonivuri.pdf
    • http://thelaywarrior.com/uploads/1/3/0/8/130874091/68a6ae358943cd.pdf
    • http://godly-dads.com/uploads/1/3/0/7/130776428/f3937851c.pdf
    • http://shebringspeace.com/uploads/1/3/0/6/130621369/veladomalibozif.pdf
    • http://awkwardlibrarian.com/uploads/1/3/0/5/130551625/vepamevivolitedadu.pdf
    • http://fairdealingfarms.com/uploads/1/3/0/4/130435715/cabfa31a3714851.pdf
    • http://dedicatedhomehealthcarellc.com/uploads/1/3/0/2/130289688/3835098.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007105.bin
0c8df6ea21daf635e81fc42ba7cda8aad06ac61f84842f7ea3965c54c3bb26e4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7105 7556 bytes

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