Malicious PDF — malware analysis report

Static analysis result for SHA-256 17ec370708fb64fd…

MALICIOUS

PDF

20.9 KB Created: 2020-02-15 03:05:10 +00:00 Authoring application: mPDF 5.7
MD5: a8400b10d7fc24d7ffb83d0edc4aa5f1 SHA-1: 0aee2309b02ea9461ede85f4b50bf1c26c6e86f7 SHA-256: 17ec370708fb64fd9780ae97f18499368b52a3cbcec062e42eaac3b36ec1fb24
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded external URLs, identified as a link farm. This technique is often used for SEO manipulation or to redirect users to malicious sites. While no scripts were extracted, the sheer volume of links and the ML classifier's high confidence suggest a malicious intent to direct users to potentially harmful content.

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://lwoscmobook.myhome.cx/152415242524852435244/The-Orientalist-Solving-the-Mystery-of-a-Strange-and-Dangerous-Life-by-Tom-Reiss.pdf
    • http://lwoscmobook.myhome.cx/252425247524752475242/The-Tangled-Web-A-Julie-Mystery-by-Kathryn-Reiss.pdf
    • http://lwoscmobook.myhome.cx/85244524852485247/The-Price-of-Everything-Solving-the-Mystery-of-Why-We-Pay-What-We-Do-by-Eduardo-Porter.pdf
    • http://lwoscmobook.myhome.cx/252435248524752445240/The-Puzzle-of-the-Paper-Daughter-A-Julie-Mystery-by-Kathryn-Reiss.pdf
    • http://lwoscmobook.myhome.cx/652465243524252455243/From-Cow-to-Cone-Solving-the-Milk-Mystery-by-Stacie-Desautels.pdf
    • http://lwoscmobook.myhome.cx/252455246524552465248/Blueprints-Solving-the-Mystery-of-Evolution-by-Maitland-Armstrong-Edey.pdf
    • http://lwoscmobook.myhome.cx/452405245524652435241/Why-Men-Want-Sex-and-Women-Need-Love-Solving-the-Mystery-of-Attraction-by-Allan-Pease.pdf
    • http://lwoscmobook.myhome.cx/952475240524752445246/Blueprints-Solving-the-Mystery-of-Evolution-by-Maitland-Armstrong-Edey.pdf
    • http://lwoscmobook.myhome.cx/15246524652495242/The-Man-from-the-Train-The-Solving-of-a-Century-Old-Serial-Killer-Mystery-by-Bill-James.pdf
    • http://lwoscmobook.myhome.cx/452435247524952485246/Solving-for-Ex-Solving-For-Ex-1-by-LeighAnn-Kopans.pdf
    • http://lwoscmobook.myhome.cx/452475245524752455243/Make-Unstoppable-Simple-Creative-Problem-Solving-in-Life-and-Leadership-by-Dina-B-Simon.pdf
    • http://lwoscmobook.myhome.cx/1524052495247524352445244/Theory-of-interest-and-life-contingencies-with-pension-applications-A-problem-solving-approach-by-Michael-M-Parmenter.pdf
    • http://lwoscmobook.myhome.cx/652405245524052425249/A-Dangerous-Woman-A-Fay-Cunningham-Mystery-1-by-Debra-Lee.pdf
    • http://lwoscmobook.myhome.cx/252485248524052435241/Dangerous-Undertaking-A-Buryin-Barry-Mystery-by-Mark-de-Castrique.pdf
    • http://lwoscmobook.myhome.cx/252465247524152435245/To-Helvetica-and-Back-A-Dangerous-Type-Mystery-1-by-Paige-Shelton.pdf
    • http://lwoscmobook.myhome.cx/352495244524752445247/Strange-Gods-A-Mystery-Vera-and-Tolliver-1-by-Annamaria-Alfieri.pdf
    • http://lwoscmobook.myhome.cx/752495243524952425243/Strange-Shores-Reykjavik-Murder-Mystery-11-by-Arnaldur-Indri-ason.pdf
    • http://lwoscmobook.myhome.cx/35241524952455240/Horten-s-Miraculous-Mechanisms-Magic-Mystery-a-Very-Strange-Adventure-by-Lissa-Evans.pdf
    • http://lwoscmobook.myhome.cx/352435246524952465243/Life-With-Mr-Dangerous-by-Paul-Hornschemeier.pdf
    • http://lwoscmobook.myhome.cx/952415247524052455247/Between-Sea-and-Sahara-An-Orientalist-Adventure-by-Eug-ne-Fromentin.pdf