Malicious PDF — malware analysis report

Static analysis result for SHA-256 585c9e18380a5df9…

MALICIOUS

PDF

16.8 KB Created: 2019-04-30 05:23:05 +01:00 Authoring application: mPDF 5.7
MD5: 073f8d27e903f81c549922402710df94 SHA-1: 12d4b68c4703738622bb4df7d9d9af43711843c1 SHA-256: 585c9e18380a5df955f4187598fede1d7dedb98170da5915748ad14263ce460e
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF file contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various PDF documents, suggesting a link farm or redirection scheme. The ML classifier also flagged the PDF as malicious with high confidence. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9788

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/4090098090097097/The-Lake-Regions-of-Central-Africa-Volume-I-from-Zanzibar-to-Lake-Tanganyika-by-Richard-Francis-Burton.pdf
    • http://loaminoo.linkpc.net/4091097097095098/First-Footsteps-in-East-Africa-by-Richard-Francis-Burton.pdf
    • http://loaminoo.linkpc.net/4095095099092098/The-Whales-In-Lake-Tanganyika-by-Lennart-Hagerfors.pdf
    • http://loaminoo.linkpc.net/1095097091098095/Lords-of-the-Lake-The-Naval-War-on-Lake-Ontario-1812-1814-by-Robert-Malcomson.pdf
    • http://loaminoo.linkpc.net/5091099094099/Beneath-the-Lake-Lake-Lanier-Mysteries-1-by-Casi-McLean.pdf
    • http://loaminoo.linkpc.net/5090092094096/Lake-Chelan-The-Greatest-Lake-In-The-World-by-John-Fahey.pdf
    • http://loaminoo.linkpc.net/2098090091098094/The-Lake-The-Lake-Trilogy-1-by-AnnaLisa-Grant.pdf
    • http://loaminoo.linkpc.net/9098093091097098/Moon-Lake-Hate-Ghost-Trouble-Witch-Rescue-Moon-Lake-Mystery-6-by-Lucia-Kuhl.pdf
    • http://loaminoo.linkpc.net/8095097097099096/Maligne-Lake-Safety-Book-The-Essential-Lake-Safety-Guide-for-Children-by-Jobe-Leonard.pdf
    • http://loaminoo.linkpc.net/1097094092098/Dreamland-Lake-by-Richard-Peck.pdf
    • http://loaminoo.linkpc.net/8095097097098098/Maligne-Lake-Fun-Book-A-Fun-and-Educational-Lake-Coloring-Book-by-Jobe-Leonard.pdf
    • http://loaminoo.linkpc.net/7092092090091094/Droga-do-Lake-Falls-Szepty-w-ciemno-ciach-Lake-Falls-3-by-Artur-K-Dormann.pdf
    • http://loaminoo.linkpc.net/1099094097092092/Moonlight-on-Butternut-Lake-The-Butternut-Lake-Series-3-by-Mary-McNear.pdf
    • http://loaminoo.linkpc.net/5092095094096098/The-Frank-Davis-Fishing-Guide-To-Lake-Pontchartrain-And-Lake-Borgne-by-Frank-Davis.pdf
    • http://loaminoo.linkpc.net/8091099093094099/Lake-Claiborne-Fun-Book-A-Fun-and-Educational-Book-about-Lake-Claiborne-by-Jobe-Leonard.pdf
    • http://loaminoo.linkpc.net/6093097096092091/Lake-Guerin-Fun-Book-A-Fun-and-Educational-Book-about-Lake-Guerin-by-Jobe-Leonard.pdf
    • http://loaminoo.linkpc.net/5095098092094097/Lake-Gaillard-Fun-Book-A-Fun-and-Educational-Book-about-Lake-Gaillard-by-Jobe-Leonard.pdf
    • http://loaminoo.linkpc.net/9094098096099094/Sinai-The-Desert-amp-Bedouins-of-South-Sinai-s-Central-Regions-by-Ruth-Shilling.pdf
    • http://loaminoo.linkpc.net/4097095093096097/The-Richard-Burton-Diaries-by-Richard-Burton.pdf
    • http://loaminoo.linkpc.net/6097098099092097/Land-Mosaics-The-Ecology-of-Landscapes-and-Regions-by-Richard-T-T-Forman.pdf
    • http://loaminoo.linkpc.net/8095097097099096/Maligne-Lak

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