Malicious PDF — malware analysis report

Static analysis result for SHA-256 af3ffd0f37297929…

MALICIOUS

PDF

19.5 KB Created: 2020-03-15 22:20:26 +00:00 Authoring application: mPDF 5.7
MD5: 27594ef351825320c8ee217f9d518a2a SHA-1: a57dafeb2535c4b6b288f242345d347a8fa5f4ba SHA-256: af3ffd0f372979292d39b73309ca62f5ab2833cceb4d4947c14c5504e8c0c438
90 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, identified by the PDF_SEO_LINK_FARM heuristic, which is a common technique for distributing malicious content or leading users to phishing sites. The ML classifier also strongly indicated maliciousness. The embedded URLs are the primary indicators of compromise, likely serving as lures or downloaders for further malicious activity.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9920

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://owlaokopdf.myhome.cx/1816181688160816581688166/A-Lean-Against-the-Wheel-by-Egon-H-E-Lass.pdf
    • http://owlaokopdf.myhome.cx/981658164816381678160/Lass-Singen-Gesell-Lass-Rauschen---Zur-Asthetik-Und-Anasthetik-in-Der-Musik-by-Otto-Kolleritsch.pdf
    • http://owlaokopdf.myhome.cx/98169816281658164/2-Second-Lean-How-to-Grow-People-and-Build-a-Fun-Lean-Culture-by-Paul-A-Akers.pdf
    • http://owlaokopdf.myhome.cx/681678165816881658166/Lean-Six-SIGMA-for-Service-How-to-Use-Lean-Speed-and-Six-SIGMA-Quality-to-Improve-Services-and-Transactions-by-Michael-L-George.pdf
    • http://owlaokopdf.myhome.cx/1816181658162816481668166/Il-silenzio-in-analisi-Omaggio-a-Egon-Molinari-by-Egon-Molinari.pdf
    • http://owlaokopdf.myhome.cx/681688166816981698165/4-Wheel-and-8-Wheel-Tank-Wagons-Lego-MOC-building-instructions-Lego-Train-MOC-Plans-Book-1-by-E-Chaton.pdf
    • http://owlaokopdf.myhome.cx/1816181688160816581698168/Egon-Schiele-a-Krumlov-Egon-Schiele-und-Krumlov-Egon-Schiele-and-Krumlov-by-Franz-E-Wischin.pdf
    • http://owlaokopdf.myhome.cx/381658162816881658163/The-Lass-and-The-Laird-Moriag-2-by-Hildie-McQueen.pdf
    • http://owlaokopdf.myhome.cx/281628162816881658164/Findley-s-Lass-Clan-MacDougall-2-by-Suzan-Tisdale.pdf
    • http://owlaokopdf.myhome.cx/1816181618160816881608162/Fursten-Und-Ihre-Residenzen-in-Thuringen-by-Heiko-Lass.pdf
    • http://owlaokopdf.myhome.cx/381688164816581678164/MacFarland-s-Lass-Scottish-Lasses-1-by-Glynnis-Campbell.pdf
    • http://owlaokopdf.myhome.cx/481688160816281628163/A-Lord-for-the-Lass-Tartans-and-Titans-2-by-Amalie-Howard.pdf
    • http://owlaokopdf.myhome.cx/28165816581638163/Goldilocks-and-the-Behr-Lambert-Sisters-2-by-Lass-Small.pdf
    • http://owlaokopdf.myhome.cx/1816181618160816981618162/Lass-dich-ein-bisschen-verw-hnen---erotisches-Bettgefl-ster-by-Anastasia-James.pdf
    • http://owlaokopdf.myhome.cx/981628163816081698161/Lass-dich-von-der-Liebe-verzaubern-Die-Sullivans-7-Come-A-Little-Bit-Closer-German-Edition-by-Bella-Andre.pdf
    • http://owlaokopdf.myhome.cx/1816181688160816481658166/Egon-by-Larry-Bograd.pdf
    • http://owlaokopdf.myhome.cx/1816081608165816281608164/Herbst-89-by-Egon-Krenz.pdf
    • http://owlaokopdf.myhome.cx/1816181688160816681638169/Egon-by-Callie-J-Deroy.pdf
    • http://owlaokopdf.myhome.cx/68165816281658167/Oswald-the-Monkey-by-Egon-Mathiesen.pdf
    • http://owlaokopdf.myhome.cx/1816181688160816481648166/Egon-Schiele-by-Frank-Whitford.pdf

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