Malicious PDF — malware analysis report

Static analysis result for SHA-256 7614690812ebb28a…

MALICIOUS

PDF

18.0 KB Created: 2019-04-30 17:41:03 +01:00 Authoring application: mPDF 5.7
MD5: ea719de7e69a87d8bbca55c6c81ff6e7 SHA-1: 570cdc58944850a24673abddb4e81f735d2d2e28 SHA-256: 7614690812ebb28ae97a23e2ebf0e67a975a2d68b5e6e6ad90d6e4c146e53ebf
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, many of which are hosted on the dynamic DNS domain 'loaminoo.linkpc.net'. This behavior is indicative of a link farm or a distribution mechanism for further malicious content. While no scripts were explicitly extracted, the PDF structure and the heuristic firings suggest an attempt to manipulate search engine results or redirect users to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9925

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/4090092093092091/Nabbed-by-Jack-Brighton.pdf
    • http://loaminoo.linkpc.net/1091092099092096099/007---A-Licence-to-Bondage-by-Jack-Brighton.pdf
    • http://loaminoo.linkpc.net/1099092098094093/His-Nemesis-Demands-His-Nemesis-3-by-Jack-Brighton.pdf
    • http://loaminoo.linkpc.net/1091098098097096092/Dark-Angel-Jack-Madson-3-by-Ron-Felber.pdf
    • http://loaminoo.linkpc.net/7095094099098098/The-Dark-Discovery-of-Jack-Dandy-Steampunk-Chronicles-2-5-by-Kady-Cross.pdf
    • http://loaminoo.linkpc.net/1090091098092093096/All-Manner-of-Dark-Things-Collected-Bits-and-Pieces-by-Jack-Campbell-Jr-.pdf
    • http://loaminoo.linkpc.net/1093095098096/Jack-on-the-Tracks-Four-Seasons-of-Fifth-Grade-Jack-Henry-4-by-Jack-Gantos.pdf
    • http://loaminoo.linkpc.net/1096092098099090/Western-genre-Novels-including-The-Dark-Tower-Ii-The-Drawing-Of-The-Three-The-Dark-Tower-The-Gunslinger-The-Dark-Tower-Iv-Wizard-And-Glass-The-Dark-Tower-Iii-The-Waste-Lands-The-Dark-Tower-V-Wolves-Of-The-Calla-The-Wind-Through-The-Keyhole-by-Hephaestus-Books.pdf
    • http://loaminoo.linkpc.net/8093091091096092/Brighton-MC-8-by-L-Ann-Marie.pdf
    • http://loaminoo.linkpc.net/5099096092099/The-Immortals-After-Dark-Collection-Dreams-Of-A-Dark-Warrior-Demon-From-The-Dark-A-Hunger-Like-No-Other-Immortals-After-Dark-2-10-11-by-Kresley-Cole.pdf
    • http://loaminoo.linkpc.net/8093091092098091/Three-For-Brighton-by-Martha-Kirkland.pdf
    • http://loaminoo.linkpc.net/4095097090099098/The-Boy-From-Brighton-by-Geoffrey-Knight.pdf
    • http://loaminoo.linkpc.net/8093091093096097/Thin-Ice-by-Brighton-Walsh.pdf
    • http://loaminoo.linkpc.net/3096097096095093/The-Beautiful-Ones-by-Lori-Brighton.pdf
    • http://loaminoo.linkpc.net/8093091092098090/The-Last-King-of-Brighton-by-Peter-Guttridge.pdf
    • http://loaminoo.linkpc.net/2098096093095096/Brighton-Belle-by-Sara-Sheridan.pdf
    • http://loaminoo.linkpc.net/4094098093099090/Sam-s-Soldiers-Boys-of-Brighton-2-by-M-Tasia.pdf
    • http://loaminoo.linkpc.net/8093091092097091/Dirty-Little-Secret-by-Brighton-Walsh.pdf
    • http://loaminoo.linkpc.net/4096095095095099/The-Mind-Readers-by-Lori-Brighton.pdf
    • http://loaminoo.linkpc.net/8093091092090090/Jesse-The-Boys-of-Brighton-4-by-M-Tasia.pdf

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