Malicious PDF — malware analysis report

Static analysis result for SHA-256 f13e01ffcf93148e…

MALICIOUS

PDF

19.7 KB Created: 2019-05-01 17:30:29 +01:00 Authoring application: mPDF 5.7
MD5: 4fcea21cfbbc946bcccefaffdab80e7a SHA-1: e536f5d6e90c2057bc81373d5c7b0a3e2b22aaf6 SHA-256: f13e01ffcf93148e08626949ab0ec7ba5f54c9efebd27678bcf29c7e7bb0d2c2
90 Risk Score

Malware Insights

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

The PDF file was flagged by a machine learning classifier as malicious. Static analysis revealed a large number of embedded external links, characteristic of a link farm or SEO poisoning attack. These links likely lead to further malicious content or phishing pages. The primary attack pattern involves luring the user to click on these links.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9942

Heuristics 2

  • 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.
  • 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://kiteeearpdf.myhome.cx/3f219f213f216f218f214/Professional-Distance-Thorne-and-Dash-1-by-Silvia-Violet.pdf
    • http://kiteeearpdf.myhome.cx/1f219f212f214f219f214/Astronomical-by-Silvia-Violet.pdf
    • http://kiteeearpdf.myhome.cx/4f218f213f217f217f213/The-Professor-s-Desk-Professors-1-by-Silvia-Violet.pdf
    • http://kiteeearpdf.myhome.cx/5f210f210f219f210f215/Tied-to-Home-Ames-Bridge-3-by-Silvia-Violet.pdf
    • http://kiteeearpdf.myhome.cx/2f216f213f218f215f210/Taming-Tristan-Wild-R-Farm-4-by-Silvia-Violet.pdf
    • http://kiteeearpdf.myhome.cx/2f215f216f213f216f217/Fitting-In-Fitting-In-1-by-Silvia-Violet.pdf
    • http://kiteeearpdf.myhome.cx/1f211f213f219f219f210f210/The-DASH-Diet-Low-Salt-Recipes-Book-30-Deliciously-Easy-DASH-Recipes-by-Leisa-Hunter-Smith.pdf
    • http://kiteeearpdf.myhome.cx/7f211f214f213f211f213/Violet-and-the-Golden-Slipper-The-Violet-Strange-Mysteries-Book-2-by-Candida-Martinelli.pdf
    • http://kiteeearpdf.myhome.cx/1f218f217f219f213f216/Violet-Midnight-Violet-Night-1-by-Lynn-Rush.pdf
    • http://kiteeearpdf.myhome.cx/4f214f214f215f218f214/Early-Investigations-of-Lyle-Thorne-Reverend-Lyle-Thorne-Mysteries-3-by-Ray-Moore.pdf
    • http://kiteeearpdf.myhome.cx/8f212f211f219f211f213/Violet-to-Vita-The-Letters-of-Violet-Trefusis-to-Vita-Sackville-West-1910-1921-by-John-Phillips.pdf
    • http://kiteeearpdf.myhome.cx/7f214f218f213f213/Violet-Mackerel-s-Brilliant-Plot-Violet-Mackerel-1-by-Anna-Branford.pdf
    • http://kiteeearpdf.myhome.cx/4f216f219f216f215f215/Every-Rose-Has-His-Thorne-Rose-amp-Thorne-1-by-Sean-Michael.pdf
    • http://kiteeearpdf.myhome.cx/7f214f217f212f216/Violet-Mackerel-s-Possible-Friend-Violet-Mackerel-5-by-Anna-Branford.pdf
    • http://kiteeearpdf.myhome.cx/4f214f214f217f210f218/Further-Investigations-of-the-Reverend-Lyle-Thorne-Reverend-Lyle-Thorne-Mysteries-2-by-Ray-Moore.pdf
    • http://kiteeearpdf.myhome.cx/4f214f214f214f215f217/Investigations-of-the-Reverend-Lyle-Thorne-Reverend-Lyle-Thorne-Mysteries-1-by-Ray-Moore.pdf
    • http://kiteeearpdf.myhome.cx/6f219f213f213f217f213/Beginning-SUSE-Linux-From-Novice-to-Professional-Beginning-from-Novice-to-Professional-by-Keir-Thomas.pdf
    • http://kiteeearpdf.myhome.cx/2f215f218f211f211f218/Strictly-Professional-Strictly-Professional-1-by-Sherri-Hayes.pdf
    • http://kiteeearpdf.myhome.cx/3f214f210f211f213f213/The-Violet-Hour-The-Violet-Hour-1-by-Andrea-L-Wells.pdf
    • http://kiteeearpdf.myhome.cx/1f210f215f219f218f215/The-Violet-Hour-The-Violet-Hour-1-by-Andrea-L-Wells.pdf
    • http://kiteeearpdf.m

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