Malicious PDF — malware analysis report

Static analysis result for SHA-256 65f844c53650846b…

MALICIOUS

PDF

17.0 KB Created: 2019-05-02 02:43:48 +01:00 Authoring application: mPDF 5.7
MD5: 3f95ba0f20d2d6f4be5f3809938c3903 SHA-1: 04eeb4a52a7cc63b70842ef7292493130ad2993c SHA-256: 65f844c53650846b494bdb1653018132f4418c4803aabf69004b69c9b7d5d1b2
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document was flagged by a machine learning classifier and contains a large number of embedded links, indicating a link farm. While no scripts were explicitly extracted, the PDF structure and embedded links suggest it is designed to lure users to external sites, potentially for phishing or malware distribution. The primary technique observed is the use of embedded links within the document.

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/1095098094092097/Wild-Magic-Fool-s-Gold-2-by-Jude-Fisher.pdf
    • http://loaminoo.linkpc.net/5094090090096/Novels-By-Robin-Hobb-including-Assassin-s-Apprentice-Royal-Assassin-Assassin-s-Quest-Fool-s-Errand-novel-The-Golden-Fool-Shaman-s-Crossing-Fool-s-Fate-Ship-Of-Magic-Forest-Mage-Renegade-s-Magic-Dragon-Keeper-hobb-Novel-Ship-Of-Destiny-by-Hephaestus-Books.pdf
    • http://loaminoo.linkpc.net/1091096093095092092/The-Lord-of-the-Rings-The-Two-Towers-Visual-Companion-by-Jude-Fisher.pdf
    • http://loaminoo.linkpc.net/2092092099097094/The-Lord-of-the-Rings-The-Fellowship-of-the-Ring-Visual-Companion-by-Jude-Fisher.pdf
    • http://loaminoo.linkpc.net/1090093091098099/Fool-s-Gold-by-Julie-Harris.pdf
    • http://loaminoo.linkpc.net/5090097097092/Fool-s-Gold-by-Jane-S-Smith.pdf
    • http://loaminoo.linkpc.net/5090090095090091/Fool-For-Love-by-Cassandra-Gold.pdf
    • http://loaminoo.linkpc.net/7095099095099096/Fool-s-Gold-by-Gillian-Tett.pdf
    • http://loaminoo.linkpc.net/1097094097099090/Yours-for-Christmas-Fool-s-Gold-15-5-by-Susan-Mallery.pdf
    • http://loaminoo.linkpc.net/8094093094097/Only-Mine-Fool-s-Gold-4-by-Susan-Mallery.pdf
    • http://loaminoo.linkpc.net/2098092094095098/Thrill-Me-Fool-s-Gold-18-by-Susan-Mallery.pdf
    • http://loaminoo.linkpc.net/4097094095095093/Fool-s-Gold-Diamond-2-by-Cassandra-Dean.pdf
    • http://loaminoo.linkpc.net/2091099098097090/Just-One-Kiss-Fool-s-Gold-10-by-Susan-Mallery.pdf
    • http://loaminoo.linkpc.net/3090090090093091/Days-of-Gold-Edilean-2-by-Jude-Deveraux.pdf
    • http://loaminoo.linkpc.net/1097098092/Marry-Me-at-Christmas-Fool-s-Gold-19-by-Susan-Mallery.pdf
    • http://loaminoo.linkpc.net/8094090097093/Chasing-Perfect-Fool-s-Gold-1-by-Susan-Mallery.pdf
    • http://loaminoo.linkpc.net/1091096096090091/Summer-Nights-Fool-s-Gold-8-by-Susan-Mallery.pdf
    • http://loaminoo.linkpc.net/4097096097091095/Fool-s-Gold-A-Witchcraft-Mystery-5-5-by-Juliet-Blackwell.pdf
    • http://loaminoo.linkpc.net/6096099091091/The-Complete-Tawny-Man-Trilogy-Fool-s-Errand-The-Golden-Fool-Fool-s-Fate-by-Robin-Hobb.pdf
    • http://loaminoo.linkpc.net/2097097094091095/Gold-Magic-Terror-in-Mind-The-Magic-Series-by-John-Booth.pdf

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