Malicious PDF — malware analysis report

Static analysis result for SHA-256 13fffb0ac9a79bc4…

MALICIOUS

PDF

19.8 KB Created: 2019-05-01 18:46:41 +01:00 Authoring application: mPDF 5.7
MD5: 91988718e77530f6dbfb723323e0f658 SHA-1: a9a00b1ac6da878347d38bbeb8e777e18d2a99b7 SHA-256: 13fffb0ac9a79bc4a0b06d105d7f04fda4035a96530cacf36946714760393d10
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a large number of embedded URLs, identified as a link farm. The ML classifier also flagged this PDF as malicious. The primary attack pattern appears to be directing users to external sites, potentially for SEO manipulation or to serve further malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9922

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/8f214f212f215f211f216/Miguel-Cabrera-by-Jon-M-Fishman.pdf
    • http://kiteeearpdf.myhome.cx/9f216f219f215f212f216/Lining-by-Lisa-Fishman.pdf
    • http://kiteeearpdf.myhome.cx/7f213f215f210f214f219/The-History-and-Adventures-of-the-Renowned-Don-Quixote-Translated-from-the-Spanish-of-Miguel-de-Cervantes-Saavedra-by-T-Smollet-M-D-the-Sixth-Edition-Corrected-in-Four-Volumes-Volume-4-of-4-by-Miguel-de-Cervantes-Saavedra.pdf
    • http://kiteeearpdf.myhome.cx/7f213f215f210f216f212/Complete-Works-of-Miguel-de-Cervantes-by-Miguel-de-Cervantes-Saavedra.pdf
    • http://kiteeearpdf.myhome.cx/3f210f218f215f218f210/You-Can-Trust-a-Skinny-Cook-by-Allison-Fishman.pdf
    • http://kiteeearpdf.myhome.cx/4f218f211f212f213f218/Ten-in-the-Bed-by-Jane-Cabrera.pdf
    • http://kiteeearpdf.myhome.cx/8f214f212f214f215f214/Row-Row-Row-Your-Boat-by-Jane-Cabrera.pdf
    • http://kiteeearpdf.myhome.cx/8f214f212f214f215f210/If-You-re-Happy-and-You-Know-It-by-Jane-Cabrera.pdf
    • http://kiteeearpdf.myhome.cx/8f214f212f215f211f217/Mommy-Carry-Me-Please-by-Jane-Cabrera.pdf
    • http://kiteeearpdf.myhome.cx/8f214f212f214f215f216/Baa-Baa-Black-Sheep-by-Jane-Cabrera.pdf
    • http://kiteeearpdf.myhome.cx/8f214f212f215f212f210/Kitty-s-Cuddles-by-Jane-Cabrera.pdf
    • http://kiteeearpdf.myhome.cx/1f213f216f218f211f219/Three-Trapped-Tigers-by-Guillermo-Cabrera-Infante.pdf
    • http://kiteeearpdf.myhome.cx/8f214f212f214f215f217/Beyond-Happy-Women-Work-and-Well-Being-by-Beth-Cabrera.pdf
    • http://kiteeearpdf.myhome.cx/8f214f212f215f212f213/I-m-Not-Dead-The-Journals-of-Charles-Dudley-by-Artie-Cabrera.pdf
    • http://kiteeearpdf.myhome.cx/8f214f212f214f215f211/101-Things-I-Learned-in-Fashion-School-by-Alfredo-Cabrera.pdf
    • http://kiteeearpdf.myhome.cx/8f214f212f214f215f218/The-Lonely-Crossing-of-Juan-Cabrera-by-J-Joaquin-Fraxedas.pdf
    • http://kiteeearpdf.myhome.cx/1f211f219f216f218f213f213/Catlives-Sarah-Kirsch-s-quot-Katzenleben-quot-by-Charles-M-Fishman.pdf
    • http://kiteeearpdf.myhome.cx/7f211f210f217f218/Shock-of-Gray-The-Aging-of-the-World-s-Population-and-How-it-Pits-Young-Against-Old-Child-Against-Parent-Worker-Against-Boss-Company-Against-Rival-and-Nation-Against-Nation-by-Ted-C-Fishman.pdf
    • http://kiteeearpdf.myhome.cx/4f215f217f214f213f210/HUMANOID-by-Miguel-Burr.pdf
    • http://kiteeearpdf.myhome.cx/4f216f212f217f210/-And-Now-Miguel-by-Joseph-Krumgold.pdf

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