Malicious PDF — malware analysis report

Static analysis result for SHA-256 6e32b45a7f00221e…

MALICIOUS

PDF

15.4 KB Created: 2019-04-30 02:43:32 +01:00 Authoring application: mPDF 5.7
MD5: 08df2b174bd82073e4e22d5a2dc4d1b7 SHA-1: 92ba3a83009ea09c7c29b2f3e9d41a8e881fced5 SHA-256: 6e32b45a7f00221e0675113887c9f1886637ba3583a2e358eeb86afb6556478c
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links to external PDF files, a technique often used for SEO manipulation or to distribute further malicious content. While the ML classifier flagged this as malicious, the specific intent of the links is unclear beyond potential SEO spam. No scripts were extracted, limiting the ability to determine a more precise attack pattern or family.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9880

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/5098094099094090/Divided-World-Divided-Class-Global-Political-Economy-and-the-Stratification-of-Labour-Under-Capitalism-by-Zak-Cope.pdf
    • http://loaminoo.linkpc.net/7097096097091098/A-Divided-Command-John-Pearce-10-by-David-Donachie.pdf
    • http://loaminoo.linkpc.net/1091095095097096/Divided-Serenity-Divided-World-Series-1-by-G-L-Cromarty.pdf
    • http://loaminoo.linkpc.net/1098099097092092/Tales-of-Two-Americas-Stories-of-Inequality-in-a-Divided-Nation-by-John-Freeman.pdf
    • http://loaminoo.linkpc.net/1096092092093095/Blade-of-the-Divided-The-Divided-2-by-C-J-Sullivan.pdf
    • http://loaminoo.linkpc.net/3097096099099092/Wings-of-the-Divided-The-Divided-1-by-C-J-Sullivan.pdf
    • http://loaminoo.linkpc.net/1090095098092/Mostly-Monsterly-by-Tammi-Sauer.pdf
    • http://loaminoo.linkpc.net/2095095096090093/Fog-Magic-by-Julia-L-Sauer.pdf
    • http://loaminoo.linkpc.net/1091094096095092094/Blutrotes-Land-by-Gitta-Sauer.pdf
    • http://loaminoo.linkpc.net/1091099097095096093/Bawk-amp-Roll-by-Tammi-Sauer.pdf
    • http://loaminoo.linkpc.net/4096098099096/The-Light-at-Tern-Rock-by-Julia-L-Sauer.pdf
    • http://loaminoo.linkpc.net/9096092090094092/Wenn-Hexen-Vampire-bei-Vollmond-k-ssen-ist-der-Werwolf-sauer-by-Mia-Dako.pdf
    • http://loaminoo.linkpc.net/9096092090099098/Wenn-Hexen-Vampire-bei-Vollmond-k-ssen-ist-der-Werwolf-sauer-Gesamtausgabe-B-nde-1---3-by-Mia-Dako.pdf
    • http://loaminoo.linkpc.net/7095092092092090/David-Mamet-s-Oleanna-by-David-Sauer.pdf
    • http://loaminoo.linkpc.net/2097091093096096/They-Divided-the-Sky-by-Christa-Wolf.pdf
    • http://loaminoo.linkpc.net/4094092096090092/Divided-Allegiance-by-Elizabeth-Moon.pdf
    • http://loaminoo.linkpc.net/2093090091092096/Uncanny-X-Men-Divided-We-Stand-by-Ed-Brubaker.pdf
    • http://loaminoo.linkpc.net/4093094090091099/Divided-Loyalties-by-Patricia-Scanlan.pdf
    • http://loaminoo.linkpc.net/1097099098096093/Divided-Dualed-2-by-Elsie-Chapman.pdf
    • http://loaminoo.linkpc.net/6092092099098/Divided-Kingdom-by-Rupert-Thomson.pdf

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