Malicious PDF — malware analysis report

Static analysis result for SHA-256 d808435b25afd0b9…

MALICIOUS

PDF

15.3 KB Created: 2019-05-01 20:00:41 +01:00 Authoring application: mPDF 5.7
MD5: 1363c172cbab1883e1da21a4f6e6033a SHA-1: e0ca33a1092ed671cd105346ed5fbc0b9e58f2aa SHA-256: d808435b25afd0b951bbef9d12802cbe8975ccee60acb8eb6bae3e2a99210656
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious File

The PDF contains a large number of embedded URLs pointing to a single domain, indicating a link farm or SEO manipulation tactic. The ML classifier also flagged this PDF as malicious with high confidence. The primary attack pattern involves directing users to external content, likely to distribute further malware or engage in phishing. No scripts were extracted from this sample.

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/4098093092092099/The-Epistles-of-Horace-Bilingual-Edition-by-Horace.pdf
    • http://loaminoo.linkpc.net/8093092098099091/Satires-and-Epistles-by-Horace.pdf
    • http://loaminoo.linkpc.net/6095093091093/Epistles-Book-II-and-Epistle-to-the-Pisones-by-Horace.pdf
    • http://loaminoo.linkpc.net/1095095091096097/Grants-Ferry-by-David-Chase.pdf
    • http://loaminoo.linkpc.net/8092091093096097/Ferries-of-England-Mersey-Ferry-MS-Riverdance-Mv-Royal-Iris-Cowes-Floating-Bridge-PS-Lincoln-Castle-MS-King-Seaways-Aust-Ferry-by-Source-Wikipedia.pdf
    • http://loaminoo.linkpc.net/8093092099099090/The-Odes-and-Carmen-Saeculare-of-Horace-by-Horace.pdf
    • http://loaminoo.linkpc.net/8093092098098098/The-Complete-Works-of-Horace-by-Horace.pdf
    • http://loaminoo.linkpc.net/8093092099098095/Horace-Odes-And-Epodes-by-Horace.pdf
    • http://loaminoo.linkpc.net/8093092098098097/The-Works-of-Horace-by-Horace.pdf
    • http://loaminoo.linkpc.net/8093092098092091/The-Odes-of-Horace-by-Horace.pdf
    • http://loaminoo.linkpc.net/7095095095097094/Studies-In-Paul-s-Epistles-by-Fr-d-ric-Godet.pdf
    • http://loaminoo.linkpc.net/8090090090095094/From-the-Catholic-Epistles-Bible-Studies-by-William-Flewelling.pdf
    • http://loaminoo.linkpc.net/7096094097096095/Expositions-of-Holy-Scripture-Ephesians-Epistles-of-St-Peter-and-St-John-by-Alexander-MacLaren.pdf
    • http://loaminoo.linkpc.net/8091093092091095/Heidegger-and-Modernity-by-Luc-Ferry.pdf
    • http://loaminoo.linkpc.net/5095099092096093/Land-Shark-by-Beth-Ferry.pdf
    • http://loaminoo.linkpc.net/5095099093092099/Time-to-Learn-Believe-3-by-Karen-Ferry.pdf
    • http://loaminoo.linkpc.net/5095099092091091/The-Night-Ferry-by-Emily-Senecal.pdf
    • http://loaminoo.linkpc.net/5095099092096095/Fiddler-s-Ferry-by-Iris-Gower.pdf
    • http://loaminoo.linkpc.net/4098099099094096/The-Night-Ferry-by-Michael-Robotham.pdf
    • http://loaminoo.linkpc.net/5095099092090093/Crossing-Brooklyn-Ferry-by-Jennie-Fields.pdf
    • http://loaminoo.linkpc.net/8090090090095094/From-the-Catholic-Ep

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