Malicious PDF — malware analysis report

Static analysis result for SHA-256 a155739297b163bf…

MALICIOUS

PDF

17.7 KB Created: 2019-04-30 07:55:01 +01:00 Authoring application: mPDF 5.7
MD5: fbc7602c565f3f3759a1b2b736a83288 SHA-1: 62807d9e5f3ce8b2d57e716fe04aef4a350a5f6c SHA-256: a155739297b163bf13a931b7b95ef5e5b12c95b36d99f0e794de126ea8d18d7a
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Phishing: Spearphishing Attachment T1059.001 Command and Scripting Interpreter: PowerShell

The PDF contains a large number of embedded links to external PDF files, a technique often used for SEO poisoning or to drive traffic to malicious sites. The ML classifier strongly indicated maliciousness. While no scripts were extracted, the PDF structure and embedded URLs suggest a deceptive content delivery mechanism. The primary attack pattern involves leveraging a link farm to direct users to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9925

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://loaminoo.linkpc.net/6098094097096093/The-Jesus-You-Can-t-Ignore-What-You-Must-Learn-from-the-Bold-Confrontations-of-Christ-by-John-F-MacArthur-Jr-.pdf
    • http://loaminoo.linkpc.net/5093099097098/The-Passion-of-Jesus-Christ-by-John-Piper.pdf
    • http://loaminoo.linkpc.net/4095090095091092/Seeing-and-Savoring-Jesus-Christ-by-John-Piper.pdf
    • http://loaminoo.linkpc.net/6094090097090/Seeing-and-Savoring-Jesus-Christ-by-John-Piper.pdf
    • http://loaminoo.linkpc.net/5091090095096/The-MacArthur-Daily-Bible-Read-through-the-Bible-in-one-year-with-notes-from-John-MacArthur-by-Anonymous.pdf
    • http://loaminoo.linkpc.net/3097093099095/Hymns-of-The-Church-of-Jesus-Christ-of-Latter-day-Saints-by-The-Church-of-Jesus-Christ-of-Latter-day-Saints.pdf
    • http://loaminoo.linkpc.net/4099094099094099/Jesus-the-Christ-by-James-E-Talmage.pdf
    • http://loaminoo.linkpc.net/8092092091097093/Walking-with-Jesus-Christ-by-Lon-G-Stewart.pdf
    • http://loaminoo.linkpc.net/3095094094094099/The-Good-Man-Jesus-and-the-Scoundrel-Christ-by-Philip-Pullman.pdf
    • http://loaminoo.linkpc.net/1091094096097090092/Jesus-the-Christ-with-Live-Index-by-James-E-Talmage.pdf
    • http://loaminoo.linkpc.net/1090095095098098095/Christ-in-Egypt-The-Horus-Jesus-Connection-by-D-M-Murdock.pdf
    • http://loaminoo.linkpc.net/1094090091095099/Gospel-Principles-by-The-Church-of-Jesus-Christ-of-Latter-day-Saints.pdf
    • http://loaminoo.linkpc.net/1095092093090094/The-Good-Man-Jesus-and-the-Scoundrel-Christ-by-Philip-Pullman.pdf
    • http://loaminoo.linkpc.net/1091090094099097095/Imago-Christi-The-Example-of-Jesus-Christ-by-James-Stalker.pdf
    • http://loaminoo.linkpc.net/4092098096092095/Who-Is-Jesus-Answers-to-Your-Questions-About-the-Historical-Jesus-by-John-Dominic-Crossan.pdf
    • http://loaminoo.linkpc.net/2096096096093099/How-to-Study-the-Bible-by-John-F-MacArthur-Jr-.pdf
    • http://loaminoo.linkpc.net/2097091091090093/The-Gospel-According-to-the-Apostles-by-John-F-MacArthur-Jr-.pdf
    • http://loaminoo.linkpc.net/1090091097092094/A-Faith-to-Grow-On-by-John-F-MacArthur-Jr-.pdf
    • http://loaminoo.linkpc.net/6093092097090099/The-Messiah-An-Illustrated-Biography-of-Jesus-Christ-by-Jacques-Duquesne.pdf
    • http://loaminoo.linkpc.net/3096095098097097/Jesus-in-the-Present-Tense-The-I-AM-Statements-of-Christ-by-Warren-W-Wiersbe.pdf
    • http://loaminoo.linkpc.net/30970

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