Malicious PDF — malware analysis report

Static analysis result for SHA-256 60831732fecafd80…

MALICIOUS

PDF

18.5 KB Created: 2019-04-30 06:40:06 +01:00 Authoring application: mPDF 5.7
MD5: b6f9373d27b5817082ccc03f55758884 SHA-1: d7da231a2413f795a11139b28041ea6ca196c443 SHA-256: 60831732fecafd8084aa5fb23e9286de7a353b2efe001489aa8c0bc35b71fb3f
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs pointing to a dynamic DNS domain, indicating a link farm likely used for SEO poisoning or to distribute further malicious content. The ML classifier also flagged this PDF as malicious. No scripts were extracted, and the document body was heavily obfuscated, limiting further analysis of the specific lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9920

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/1099096093091090/Trace-of-Magic-Diamond-City-Magic-1-by-Diana-Pharaoh-Francis.pdf
    • http://loaminoo.linkpc.net/2098093096091094/Edge-of-Dreams-Diamond-City-Magic-2-by-Diana-Pharaoh-Francis.pdf
    • http://loaminoo.linkpc.net/3093095090096094/Shadow-City-Horngate-Witches-3-by-Diana-Pharaoh-Francis.pdf
    • http://loaminoo.linkpc.net/1090091090094096/The-Cipher-Crosspointe-Chronicles-1-by-Diana-Pharaoh-Francis.pdf
    • http://loaminoo.linkpc.net/2098093096090094/The-Hollow-Crown-Crosspointe-Chronicles-4-by-Diana-Pharaoh-Francis.pdf
    • http://loaminoo.linkpc.net/2093094095094097/Crimson-Wind-Horngate-Witches-2-by-Diana-Pharaoh-Francis.pdf
    • http://loaminoo.linkpc.net/1099096093094090/Blood-Winter-Horngate-Witches-4-by-Diana-Pharaoh-Francis.pdf
    • http://loaminoo.linkpc.net/1091092098099095/The-Best-Kind-of-Magic-Windy-City-Magic-1-by-Crystal-Cestari.pdf
    • http://loaminoo.linkpc.net/1090091095098097/Path-of-Honor-Path-2-by-Diana-Pharaoh-Francis.pdf
    • http://loaminoo.linkpc.net/2095095098095094/Harnessing-Air-Magic-A-Witch-s-Guide-to-Elemental-Magic-Elemental-Witchcraft-and-Magic-Book-1-by-Viivi-James.pdf
    • http://loaminoo.linkpc.net/2098094097094090/Unsympathetic-Magic-Esther-Diamond-3-by-Laura-Resnick.pdf
    • http://loaminoo.linkpc.net/8095099095094093/City-of-Light-City-of-Poison-Murder-Magic-and-the-First-Police-Chief-of-Paris-by-Holly-Tucker.pdf
    • http://loaminoo.linkpc.net/2091096091093091/Unexpected-Magic-Collected-Stories-by-Diana-Wynne-Jones.pdf
    • http://loaminoo.linkpc.net/6092096091094096/Magic-nigth-tome3-D-mon-vengeur-by-Diana-Afonso.pdf
    • http://loaminoo.linkpc.net/1098095096099098/The-Magic-City-by-E-Nesbit.pdf
    • http://loaminoo.linkpc.net/1095098094090094/Assassin-s-Blade-Magic-The-Gathering-Magic-Legends-Cycle-Two-1-by-Scott-McGough.pdf
    • http://loaminoo.linkpc.net/3092095093090099/Darkness-Rises-Age-Of-Magic---A-Kurtherian-Gambit-Series-The-Rise-of-Magic-6-by-C-M-Raymond.pdf
    • http://loaminoo.linkpc.net/2097097094091095/Gold-Magic-Terror-in-Mind-The-Magic-Series-by-John-Booth.pdf
    • http://loaminoo.linkpc.net/3096090099093099/Island-of-Glass-The-Age-of-Magic-The-Age-of-Magic-The-Glassmakers-Book-1-by-Ruth-Nestvold.pdf
    • http://loaminoo.linkpc.net/5092090090098093/The-Transformations-of-Magic-Illicit-Learned-Magic-in-the-Later-Middle-Ages-and-Renaissance-by-Frank-Klaassen.pdf

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