Malicious PDF — malware analysis report

Static analysis result for SHA-256 62a6bd380105aeee…

MALICIOUS

PDF

15.8 KB Created: 2019-05-07 03:41:42 +01:00 Authoring application: mPDF 5.7
MD5: bb6c04b7cb22f1d745c92ed22223a008 SHA-1: 8bb74670a7a69a014de9f5185de487e37d35b1a3 SHA-256: 62a6bd380105aeee15b11b5a53bff87ae9c2dbf68671a1806a57a79c6a2bf276
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links, identified as a link farm. While the document body is heavily obfuscated, the heuristic indicates these links are likely intended to direct users to external content. The ML classifier also flagged this PDF as malicious. The presence of embedded links suggests a potential initial access vector via spearphishing attachment, aiming to redirect users to potentially harmful sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9892

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/3096097099093092/The-Wolf-s-Mating-Season-by-Sierra-Wolf.pdf
    • http://loaminoo.linkpc.net/4092097095096099/New-Scotia-Pack-Box-Set-Shield-Wolf-Wolf-Lover-Fire-Wolf-by-Victoria-Danann.pdf
    • http://loaminoo.linkpc.net/2093092094099096/Mating-Games-Delta-Wolf-2-by-Stormy-Glenn.pdf
    • http://loaminoo.linkpc.net/1098091094/Wolf-by-Wolf-Wolf-by-Wolf-1-by-Ryan-Graudin.pdf
    • http://loaminoo.linkpc.net/6092096094090096/Wolf-Erlbruchs-Kinderzimmer-Kalender-2015-Geschwister-by-Wolf-Erlbruch.pdf
    • http://loaminoo.linkpc.net/4098091092096096/SEAL-Wolf-In-Too-Deep-Heart-of-the-Wolf-18-by-Terry-Spear.pdf
    • http://loaminoo.linkpc.net/5097092090093/My-Wolf-Protector-Wolf-Town-Guardians-2-by-Rose-Wynters.pdf
    • http://loaminoo.linkpc.net/1092093095097097/My-Wolf-Protector-Wolf-Town-Guardians-2-by-Rose-Wynters.pdf
    • http://loaminoo.linkpc.net/5097096093095096/Big-Wolf-and-Little-Wolf-Such-a-Beautiful-Orange-by-Nadine-Brun-Cosme.pdf
    • http://loaminoo.linkpc.net/1094096099092091/My-Wolf-Cowboy-Wolf-Town-Guardians-3-by-Rose-Wynters.pdf
    • http://loaminoo.linkpc.net/1091093099098090090/Her-Wolf-Her-Protector-Claimed-and-Bred-by-the-Wolf-1-by-Elixa-Everett.pdf
    • http://loaminoo.linkpc.net/1097097096099099/A-Seal-in-Wolf-s-Clothing-Heart-of-the-Wolf-9-by-Terry-Spear.pdf
    • http://loaminoo.linkpc.net/1091095092091099/The-Big-Bad-Wolf-Romance-Compilation-The-Big-Bad-Wolf-1-4-by-Heather-Killough-Walden.pdf
    • http://loaminoo.linkpc.net/2099092092094092/Seduced-by-the-Wolf-Heart-of-the-Wolf-5-by-Terry-Spear.pdf
    • http://loaminoo.linkpc.net/1097094099094094/The-Witch-Who-Cried-Wolf-Cry-Wolf-1-by-Sarah-M-kel-.pdf
    • http://loaminoo.linkpc.net/5093092091095092/Wolf-Curves-Wolf-Clan-1-by-Christa-Wick.pdf
    • http://loaminoo.linkpc.net/7093099097092/Destiny-of-the-Wolf-Heart-of-the-Wolf-2-by-Terry-Spear.pdf
    • http://loaminoo.linkpc.net/8098098093090098/Wolf-in-Kunst-Und-Literatur-Der-Wolfsjunge-Rotkappchen-Kami-to-K-Shinry-Der-Mit-Dem-Wolf-Tanzt-Asena-Legende-Der-Wolfsmensch-by-Quelle-Wikipedia.pdf
    • http://loaminoo.linkpc.net/1091098098090096/Wolf-Spell-Wolf-Trilogy-1-by-M-R-Polish.pdf
    • http://loaminoo.linkpc.net/1092098094091094/Pale-Wolf-Bad-Wolf-Chronicles-2-by-Tim-McGregor.pdf

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