Malicious PDF — malware analysis report

Static analysis result for SHA-256 786d3e1de66ba4d6…

MALICIOUS

PDF

16.5 KB Created: 2019-04-30 03:34:01 +01:00 Authoring application: mPDF 5.7
MD5: 117b4ba35f84b6ea276b3f2ccda98896 SHA-1: 3c6405da117170d433fccc4325fe1c66215af7cd SHA-256: 786d3e1de66ba4d68c9f66451917543e3bd8ec4dff34b94114d8c24ff7969444
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs, identified as a link farm, which is a common tactic for SEO manipulation or distributing malicious content. While no scripts were directly extracted, the ML classifier and the heuristic firings strongly indicate malicious intent. The embedded URLs are likely intended to redirect users to potentially harmful sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9811

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/1091091093092099093/The-Blood-of-Lambs-A-Former-Terrorist-s-Memoir-of-Death-and-Redemption-by-Kamal-Saleem.pdf
    • http://loaminoo.linkpc.net/1091099091091091/Blood-Redemption-Blood-Curse-5-by-Tessa-Dawn.pdf
    • http://loaminoo.linkpc.net/1097098095094092/Blood-Redemption-Blood-Destiny-9-by-Connie-Suttle.pdf
    • http://loaminoo.linkpc.net/3095095099098096/Death-s-Dark-Memoir-Fabulous-Death-2-by-Avery-Taylor-Adams.pdf
    • http://loaminoo.linkpc.net/2090094094098096/Street-Shadows-A-Memoir-of-Race-Rebellion-and-Redemption-by-Jerald-Walker.pdf
    • http://loaminoo.linkpc.net/5090094095093091/Damage-Control-A-Memoir-of-Outlandish-Privilege-Loss-and-Redemption-by-Sergei-Boissier.pdf
    • http://loaminoo.linkpc.net/6090091098090093/Battle-for-Grace-A-Memoir-of-Pain-Redemption-and-Impossible-Love-by-Cynthia-Toussaint.pdf
    • http://loaminoo.linkpc.net/3099096093090090/Redemption-Royal-Blood-Chronicles-7-by-Elizabeth-Loraine.pdf
    • http://loaminoo.linkpc.net/3097098095093099/Redemption-True-Blood-Mate-4-by-Stormy-Glenn.pdf
    • http://loaminoo.linkpc.net/1095097092094096/Death-or-Redemption-The-Chronicle-Scrolls-Volume-1-by-Gregory-Stoakes.pdf
    • http://loaminoo.linkpc.net/2090091091097095/Death-and-Redemption-The-Gulag-and-the-Shaping-of-Soviet-Society-by-Steven-A-Barnes.pdf
    • http://loaminoo.linkpc.net/3094096092092090/Guapa-by-Saleem-Haddad.pdf
    • http://loaminoo.linkpc.net/2096095096091092/A-Death-in-Texas-A-Story-of-Race-Murder-and-a-Small-Town-s-Struggle-for-Redemption-by-Dina-Temple-Raston.pdf
    • http://loaminoo.linkpc.net/1099091098091096/Blood-Tinsel-A-Memoir-by-Jim-Sharman.pdf
    • http://loaminoo.linkpc.net/4090094095098094/Big-Sex-Little-Death-A-Memoir-by-Susie-Bright.pdf
    • http://loaminoo.linkpc.net/1091094097090097090/Inside-Al-Qaeda-and-the-Taliban-Beyond-Bin-Laden-and-9-11-by-Syed-Saleem-Shahzad.pdf
    • http://loaminoo.linkpc.net/5091096099098090/Memoir-of-a-Good-Death-by-Anne-Sorbie.pdf
    • http://loaminoo.linkpc.net/6099099097098099/Parentheses-A-Memoir-of-My-Life-Before-During-and-After-My-Death-by-Fredrick-Swan.pdf
    • http://loaminoo.linkpc.net/7099097092096/Salt-in-Our-Blood-The-Memoir-of-a-Fisherman-s-Wife-by-Michele-Longo-Eder.pdf
    • http://loaminoo.linkpc.net/1095099097094097/Believe-Me-A-Memoir-of-Love-Death-and-Jazz-Chickens-by-Eddie-Izzard.pdf

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