Malicious PDF — malware analysis report

Static analysis result for SHA-256 e64029cc5bda9c61…

MALICIOUS

PDF

16.9 KB Created: 2019-05-01 05:36:59 +01:00 Authoring application: mPDF 5.7
MD5: c205095daf7773f12edc6813bb046160 SHA-1: 13344e67395f4dd2d65462c682472b55a649e34e SHA-256: e64029cc5bda9c610fa0c9764ffabf214354933d17eb40361bf2c8cacb4cc8a9
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file was flagged by a machine learning classifier as malicious. It contains a large number of embedded URLs, identified as a link farm, likely intended to direct users to malicious content or for SEO spam purposes. The dominant host for these links is cefasfese.4pu.com. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9787

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://cefasfese.4pu.com/7738736730731/Khan-Empire-of-Silver-Conqueror-4-by-Conn-Iggulden.pdf
    • http://cefasfese.4pu.com/4734733731733737/Khan-Empire-of-Silver-Conqueror-4-by-Conn-Iggulden.pdf
    • http://cefasfese.4pu.com/4730739734738732/The-Khan-Series-5-Book-Bundle-Conqueror-1-5-by-Conn-Iggulden.pdf
    • http://cefasfese.4pu.com/1730736736733733739/Djengis-Khan-Wolf-in-een-Zee-van-Gras-Conqueror-1-by-Conn-Iggulden.pdf
    • http://cefasfese.4pu.com/3733738732735731/Genghis-Birth-of-an-Empire-Conqueror-1-by-Conn-Iggulden.pdf
    • http://cefasfese.4pu.com/3737732734730/Genghis-Lords-of-the-Bow-Conqueror-2-by-Conn-Iggulden.pdf
    • http://cefasfese.4pu.com/4731736735731731/Dunstan-by-Conn-Iggulden.pdf
    • http://cefasfese.4pu.com/2731733731734736/Blackwater-by-Conn-Iggulden.pdf
    • http://cefasfese.4pu.com/4739734737738737/Lords-of-the-Bow-by-Conn-Iggulden.pdf
    • http://cefasfese.4pu.com/3735732730732739/The-Falcon-of-Sparta-by-Conn-Iggulden.pdf
    • http://cefasfese.4pu.com/6738736737731/The-Dangerous-Book-for-Boys-by-Conn-Iggulden.pdf
    • http://cefasfese.4pu.com/3738739730738/The-Gates-of-Rome-Emperor-1-by-Conn-Iggulden.pdf
    • http://cefasfese.4pu.com/4730739736738731/Bloodline-Wars-of-the-Roses-3-by-Conn-Iggulden.pdf
    • http://cefasfese.4pu.com/8739732738736731/Drei-K-nige-----Die-Rosenkriege-3-Roman-by-Conn-Iggulden.pdf
    • http://cefasfese.4pu.com/1730735733735732730/The-Dangerous-Book-For-Boys-2008-Publication-by-Conn-Iggulden.pdf
    • http://cefasfese.4pu.com/7737730730735735/The-Grand-Turk-Sultan-Mehmet-II-Conqueror-of-Constantinople-and-Master-of-an-Empire-by-John-Freely.pdf
    • http://cefasfese.4pu.com/9736734739731736/Chingiz-Khan-The-Life-and-Legacy-of-an-Empire-Builder-by-S-A-H-Haqqi.pdf
    • http://cefasfese.4pu.com/4730733732736733/Mongol-Empire-The-Conquests-of-Genghis-Khan-and-the-Making-of-Modern-China-by-John-Man.pdf
    • http://cefasfese.4pu.com/8738736733739/The-Secret-History-of-the-Mongol-Queens-How-the-Daughters-of-Genghis-Khan-Rescued-His-Empire-by-Jack-Weatherford.pdf
    • http://cefasfese.4pu.com/2733734739731732/The-Spy-in-the-Silver-Palace-Empire-of-Talents-1-by-Jordan-Rivet.pdf
    • http://cefasfese.4pu.com/4730739736738731/Bloodline-Wars-of-the-Ros

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