Malicious PDF — malware analysis report

Static analysis result for SHA-256 7e048a7d4369ed38…

MALICIOUS

PDF

18.3 KB Created: 2019-05-06 16:52:10 +01:00 Authoring application: mPDF 5.7
MD5: ca70f83f3e4547d69a828b7e05e2b7bc SHA-1: 19759d27542fb5fbec12095fbbf80e106b3d1708 SHA-256: 7e048a7d4369ed388f029105394d87180aa57ad3e22b0cb388ab97e5012af4f1
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document exhibits characteristics of a link farm, with a heuristic firing indicating a mass of external PDF links. While the document body is heavily obfuscated and unreadable, the presence of numerous links suggests an attempt to manipulate search engine results or distribute malicious content. The ML classifier also flagged this PDF as malicious with high confidence.

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/5099095093099096/The-Plays-of-Maurice-Maeterlinck-Alladine-and-Palomides-Pelleas-and-Melisande-Home-and-the-Death-of-Tintagiles-by-Maurice-Maeterlinck.pdf
    • http://loaminoo.linkpc.net/6095095099092092/The-Plays-of-Maurice-Maeterlinck-by-Maurice-1862-1949-Maeterlinck.pdf
    • http://loaminoo.linkpc.net/6095095096092098/The-Life-of-the-Bee-by-Maurice-Maeterlinck.pdf
    • http://loaminoo.linkpc.net/8091094096092099/Maurice-Maeterlinck-Anthology-by-Maurice-Maeterlinck.pdf
    • http://loaminoo.linkpc.net/6095095096093099/The-Life-of-the-White-Ant-by-Maurice-Maeterlinck.pdf
    • http://loaminoo.linkpc.net/6095095099097091/Life-and-Writings-of-Maurice-Maeterlinck-by-Jethro-Bithell.pdf
    • http://loaminoo.linkpc.net/6095095096093093/Death-by-Maurice-Maeterlinck.pdf
    • http://loaminoo.linkpc.net/6095095096098094/Hothouses-by-Maurice-Maeterlinck.pdf
    • http://loaminoo.linkpc.net/6095095099091094/Joyzelle-by-Maurice-Maeterlinck.pdf
    • http://loaminoo.linkpc.net/6095095096093098/Maurice-Maeterlinck-by-Edward-Thomas.pdf
    • http://loaminoo.linkpc.net/6095095096097092/Three-Pre-Surrealist-Plays-by-Maurice-Maeterlinck.pdf
    • http://loaminoo.linkpc.net/6095095099097096/Before-The-Great-Silence-by-Maurice-Maeterlinck.pdf
    • http://loaminoo.linkpc.net/6095095097096093/Maurice-Maeterlinck-Mystic-and-Dramatist-by-Patrick-F-Mahony.pdf
    • http://loaminoo.linkpc.net/6095095099097097/The-Betrothal-A-Sequel-to-the-Blue-Bird-by-Maurice-Maeterlinck.pdf
    • http://loaminoo.linkpc.net/5099095094090092/P-ll-as-and-M-lisande-Alladine-and-Palomides-Home-by-Maurice-Maeterlinck.pdf
    • http://loaminoo.linkpc.net/6095095096097094/The-Intruder-the-Blind-the-Seven-Princesses-the-Death-of-Tintagiles-1920-by-Maurice-Maeterlinck.pdf
    • http://loaminoo.linkpc.net/5099095095090098/Woyzeck-Pelleas-and-Melisande-Ubu-Roi-Three-Translations-from-the-Cutting-Ball-Theater-by-Maurice-Maeterlinck.pdf
    • http://loaminoo.linkpc.net/6094098095094094/Where-the-Wild-Things-Are-Story-and-Pictures-by-Maurice-Sendak-by-Maurice-Sendak.pdf
    • http://loaminoo.linkpc.net/5092096097095099/Chef-Maurice-and-the-Wrath-of-Grapes-Chef-Maurice-Mysteries-2-by-J-A-Lang.pdf
    • http://loaminoo.linkpc.net/1098095094093097/The-Last-of-the-Gentlemen-Adventurers-Coming-of-Age-in-the-Arctic-Edward-Beauclerk-Maurice-by-Edward-Beauclerk-Maurice.pdf

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