Malicious PDF — malware analysis report

Static analysis result for SHA-256 241b958cdc871f7c…

MALICIOUS

PDF

13.0 KB Created: 2019-05-01 17:06:13 +01:00 Authoring application: mPDF 5.7
MD5: 1e65936fb7000d33ae6206a4ed1fe8a5 SHA-1: 49bef5e0ab24e90ff3a2364260f0651af69e6806 SHA-256: 241b958cdc871f7c4c612506cb2fd1672721d0ad2b9aac2134f1fd7ce52e521f
90 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links to external websites, a technique often used for SEO manipulation or to redirect users to malicious content. The ML classifier also flagged this PDF as malicious. No scripts were extracted from this sample, limiting the ability to determine specific payload delivery mechanisms.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9006

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/6093095096099099/Getting-Down-To-Business-by-Nicolette-Dane.pdf
    • http://loaminoo.linkpc.net/2093092092091099/The-Geek-Girl-and-the-Scandalous-Earl-Geek-Girls-1-by-Gina-Lamm.pdf
    • http://loaminoo.linkpc.net/3098092096098090/My-Friend-The-Bride-by-Nicolette-Dane.pdf
    • http://loaminoo.linkpc.net/6093095096098092/The-Sexy-Librarian-by-Nicolette-Dane.pdf
    • http://loaminoo.linkpc.net/6093095097093098/Dormitory-Dearest-by-Nicolette-Dane.pdf
    • http://loaminoo.linkpc.net/3098092096097090/Freestyle-Flirting-by-Nicolette-Dane.pdf
    • http://loaminoo.linkpc.net/6093095097091091/Sweetheart-Starlet-by-Nicolette-Dane.pdf
    • http://loaminoo.linkpc.net/1096092091098093/Forever-Geek-Geek-Girl-6-by-Holly-Smale.pdf
    • http://loaminoo.linkpc.net/6093095097097096/Full-Bodied-In-The-Vineyard-by-Nicolette-Dane.pdf
    • http://loaminoo.linkpc.net/3090092094095097/Girl-on-Geek-by-Hayden-Archer.pdf
    • http://loaminoo.linkpc.net/3093095/All-That-Glitters-Geek-Girl-4-by-Holly-Smale.pdf
    • http://loaminoo.linkpc.net/1091098090097097095/Geek-Girl-pakt-uit-by-Holly-Smale.pdf
    • http://loaminoo.linkpc.net/6093095097093093/Nicolette-Finds-Her-Nicolette-2-by-Margaret-Locherbie-Cameron.pdf
    • http://loaminoo.linkpc.net/1092094098095096/Model-Misfit-Geek-Girl-2-by-Holly-Smale.pdf
    • http://loaminoo.linkpc.net/7091096090094098/Sunny-Side-Up-Geek-Girl-4-5-by-Holly-Smale.pdf
    • http://loaminoo.linkpc.net/4098090095090092/Girl-Geek-Gaming-the-System-0-5-by-Brenna-Aubrey.pdf
    • http://loaminoo.linkpc.net/1093091096094091/Picture-Perfect-Geek-Girl-3-by-Holly-Smale.pdf
    • http://loaminoo.linkpc.net/2098093093092091/Fake-Geek-Girl-Belladonna-University-1-by-Tansy-Rayner-Roberts.pdf
    • http://loaminoo.linkpc.net/2094096095091090/Geek-God-Forever-Geek-1-by-Victoria-Barbour.pdf
    • http://loaminoo.linkpc.net/4093091095095091/Beauty-and-the-Geek-Gone-Geek-1-by-Sidney-Bristol.pdf

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