Malicious PDF — malware analysis report

Static analysis result for SHA-256 a32579384e22d36d…

MALICIOUS

PDF

18.9 KB Created: 2019-05-01 19:42:32 +01:00 Authoring application: mPDF 5.7
MD5: ec62b552d84223a7fd10f49cbbb623e7 SHA-1: f4f416ba8b6046461cd89eea4222829692a9a337 SHA-256: a32579384e22d36d43cd713de358ef46fc1c823b060996db4d44275fd6938e87
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various PDF files hosted on the 'loaminoo.linkpc.net' domain, suggesting a link farm or redirection scheme. The ML classifier also flagged this PDF as malicious with high confidence. The primary attack pattern involves luring users to click these links, potentially leading to further malicious content or downloads.

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/3099093092094094/The-Ghost-Files-3-The-Ghost-Files-3-by-Apryl-Baker.pdf
    • http://loaminoo.linkpc.net/1097096091090091/The-Ghost-Files-2-The-Ghost-Files-2-by-Apryl-Baker.pdf
    • http://loaminoo.linkpc.net/1091096098091093/Ghost-Story-The-Dresden-Files-13-by-Jim-Butcher.pdf
    • http://loaminoo.linkpc.net/3097099090091094/The-Haunted-Highway-Ghost-Files-1-by-Holly-Vane.pdf
    • http://loaminoo.linkpc.net/4095090094099094/Ghost-Ship-NUMA-Files-12-by-Clive-Cussler.pdf
    • http://loaminoo.linkpc.net/3094096094090095/The-Library-of-Souls-Ghost-Talker-Files-1-by-Richard-Denney.pdf
    • http://loaminoo.linkpc.net/1090094095092096094/The-X-Files-Cold-Cases-X-Files-1-by-Joe-Harris.pdf
    • http://loaminoo.linkpc.net/1092096096093096/I-Am-Number-Four-The-Lost-Files-Rebel-Allies-Lorien-Legacies-The-Lost-Files-10-12-by-Pittacus-Lore.pdf
    • http://loaminoo.linkpc.net/2098098095096099/The-Best-Ghost-Stories-1800-1849-A-Classic-Ghost-Anthology-by-Andrew-Barger.pdf
    • http://loaminoo.linkpc.net/3097095090097092/Ghost-a-la-Mode-A-Ghost-of-Granny-Apples-Mystery-1-by-Sue-Ann-Jaffarian.pdf
    • http://loaminoo.linkpc.net/4094091091091/Side-Jobs-Stories-from-the-Dresden-Files-The-Dresden-Files-12-5-by-Jim-Butcher.pdf
    • http://loaminoo.linkpc.net/1090099097094090/The-Promise-Coven-1-by-Apryl-Baker.pdf
    • http://loaminoo.linkpc.net/3095093097096097/Giving-Up-the-Ghost-Laying-a-Ghost-2-by-Jane-Davitt.pdf
    • http://loaminoo.linkpc.net/5099098093095/Corral-Dust-from-Across-the-Big-Divide-More-Ghost-Writings-of-Charles-M-Russell-by-Richard-Bird-Baker.pdf
    • http://loaminoo.linkpc.net/6099092097097091/The-Canterville-Ghost-An-Amusing-Chronicle-of-the-Tribulations-of-the-Ghost-of-Canterville-Chase-When-His-Ancestral-Halls-Became-the-Home-of-the-American-Minister-to-the-Court-of-St-James-by-Oscar-Wilde.pdf
    • http://loaminoo.linkpc.net/2094095098098090/The-Vampire-Files-Volume-1-Vampire-Files-1-3-by-P-N-Elrod.pdf
    • http://loaminoo.linkpc.net/1097093092096093/PBI-Case-Files-PBI-Case-Files-1-4-by-Jami-Brumfield.pdf
    • http://loaminoo.linkpc.net/3095090096097092/The-Vampire-Files-Volume-1-Vampire-Files-1-3-by-P-N-Elrod.pdf
    • http://loaminoo.linkpc.net/2092098095093094/Ghost-Hunt-Volume-11-Ghost-Hunt-11-by-Shiho-Inada.pdf
    • http://loaminoo.linkpc.net/5091096096099/Ghost-House-The-Ghost-House-Saga-1-by-Alexandra-Adornetto.pdf
    • http://loaminoo.linkpc.net/309

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