Malicious PDF — malware analysis report

Static analysis result for SHA-256 6d272fca74c083db…

MALICIOUS

PDF

17.9 KB Created: 2019-05-01 17:43:00 +01:00 Authoring application: mPDF 5.7
MD5: ea9131b4cf327574a8f8146c93c479a6 SHA-1: 7a813ff502b351573c1e64c2f5996113d5fcdd1d SHA-256: 6d272fca74c083db1b8535f155d922b0c806f94cb62cf46f5b6fb1385fdd1237
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs pointing to external PDF files, a technique often used for SEO spam or to distribute further malicious content. The ML classifier also flagged this PDF as malicious with high confidence. The primary attack pattern observed is the distribution of numerous links, likely intended to direct users to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9931

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/1099091098097092/The-Storied-Life-of-A-J-Fikry-by-Gabrielle-Zevin.pdf
    • http://loaminoo.linkpc.net/2090092094092097/The-Storied-Life-of-A-J-Fikry-by-Gabrielle-Zevin.pdf
    • http://loaminoo.linkpc.net/1097095098096099/The-Storied-Life-of-A-J-Fikry-by-Gabrielle-Zevin.pdf
    • http://loaminoo.linkpc.net/1090092095095/The-Storied-Life-of-A-J-Fikry-by-Gabrielle-Zevin.pdf
    • http://loaminoo.linkpc.net/6099098099098097/Summary-of-The-Storied-Life-of-A-J-Fikry-A-Novel-by-Gabrielle-Zevin-Trivia-Quiz-for-Fans-by-Whiz-Books.pdf
    • http://loaminoo.linkpc.net/6099098099096091/The-Storied-Life-of-A-J-Fikry-A-Novel-by-Gabrielle-Zevin-Trivia-on-Books-by-Trivion-Books.pdf
    • http://loaminoo.linkpc.net/3095092095092090/The-Hole-We-re-in-by-Gabrielle-Zevin.pdf
    • http://loaminoo.linkpc.net/1092096097095095/Because-It-Is-My-Blood-Birthright-2-by-Gabrielle-Zevin.pdf
    • http://loaminoo.linkpc.net/2098095094094093/All-These-Things-I-ve-Done-Birthright-1-by-Gabrielle-Zevin.pdf
    • http://loaminoo.linkpc.net/6099098099095098/Script-Conversations-with-Other-Women-by-Gabrielle-Zevin.pdf
    • http://loaminoo.linkpc.net/2098090090092094/Memoirs-of-a-Teenage-Amnesiac-by-Gabrielle-Zevin.pdf
    • http://loaminoo.linkpc.net/1097095099097098/Memoirs-of-a-Teenage-Amnesiac-by-Gabrielle-Zevin.pdf
    • http://loaminoo.linkpc.net/6091097098/Young-Jane-Young-by-Gabrielle-Zevin.pdf
    • http://loaminoo.linkpc.net/2092097099095092/Dan-Gets-a-Minivan-Life-at-the-Intersection-of-Dude-and-Dad-by-Dan-Zevin.pdf
    • http://loaminoo.linkpc.net/6099098097095090/Entry-Level-Life-A-Complete-Guide-to-Masquerading-as-a-Member-of-the-Real-World-by-Dan-Zevin.pdf
    • http://loaminoo.linkpc.net/4094098095098091/Snowball-Earth-The-Story-of-the-Great-Global-Catastrophe-That-Spawned-Life-as-We-Know-It-by-Gabrielle-Walker.pdf
    • http://loaminoo.linkpc.net/4094099092096093/Miracles-Now-108-Life-Changing-Tools-for-Less-Stress-More-Flow-and-Finding-Your-True-Purpose-by-Gabrielle-Bernstein.pdf
    • http://loaminoo.linkpc.net/4099095091096/Oregon-This-Storied-Land-by-William-G-Robbins.pdf
    • http://loaminoo.linkpc.net/6093099097093096/Toile-The-Storied-Fabrics-of-Europe-and-America-by-Michele-Palmer.pdf
    • http://loaminoo.linkpc.net/6099098099095097/The-Nearly-Wed-Handbook-by-Dan-Zevin.pdf

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