Malicious PDF — malware analysis report

Static analysis result for SHA-256 b9b937ff9a6d6b33…

MALICIOUS

PDF

24.1 KB Created: 2019-05-04 13:59:26 +01:00 Authoring application: mPDF 5.7
MD5: 20757b2e0ed2ff791106d314ad3bcf7c SHA-1: 2f73da4a3d28c91a89cf4735f4986289a9944c9f SHA-256: b9b937ff9a6d6b338ea064b9ae4e94a79a398e6beea4935669766199e0e0849a
90 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links to external PDFs hosted on the domain loaminoo.linkpc.net. This is indicative of a link farm or a distribution mechanism for further malicious content. The ML classifier also flagged this PDF as malicious with high confidence. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9838

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/1091090094092097090/The-Kitchen-History-Culture-Design-by-Rita-Mielke.pdf
    • http://loaminoo.linkpc.net/1091090094094092092/The-Love-of-Ponies-by-Rita-Mielke.pdf
    • http://loaminoo.linkpc.net/1091090094095090092/Adventskalender-selbst-gemacht-Kreative-Ideen-f-r-Gro-und-Klein-in-der-Adventszeit-by-Rita-Mielke.pdf
    • http://loaminoo.linkpc.net/5090098092099098/New-Zealand-by-Design-A-History-of-New-Zealand-Product-Design-by-Michael-Smythe.pdf
    • http://loaminoo.linkpc.net/1090097097090096092/Historicizing-the-Uses-of-the-Past-Scandinavian-Perspectives-on-History-Culture-Historical-Consciousness-and-Didactics-of-History-Related-to-World-War-II-by-Helle-Bjerg.pdf
    • http://loaminoo.linkpc.net/4092094091092/Universal-Principles-of-Design-100-Ways-to-Enhance-Usability-Influence-Perception-Increase-Appeal-Make-Better-Design-Decisions-and-Teach-Through-Design-by-William-Lidwell.pdf
    • http://loaminoo.linkpc.net/7099098096099096/History-of-Mozambique-Culture-of-Mozambique-Religion-in-Mozambique-Republic-of-Mozambique-Mozambique-The-origin-of-Mozambique-her-Culture-and-her-Ethnic-differences-Mozambique-government-by-Sampson-Jerry.pdf
    • http://loaminoo.linkpc.net/7090092091095097/Design-by-IKEA-A-Cultural-History-by-Sara-Kristoffersson.pdf
    • http://loaminoo.linkpc.net/2093099093093090/Old-Time-Telephones-Design-History-and-Restoration-by-Ralph-O-Meyer.pdf
    • http://loaminoo.linkpc.net/1091097090095095094/OKB-Sukhoi-A-History-of-the-Design-Bureau-amp-Its-Aircraft-by-Vladimir-Antonov.pdf
    • http://loaminoo.linkpc.net/4099091097098091/Cook-It-in-Cast-Iron-Kitchen-Tested-Recipes-for-the-One-Pan-That-Does-It-All-by-America-39-s-Test-Kitchen.pdf
    • http://loaminoo.linkpc.net/3090098092097099/Kitchen-The-Essential-Guide-to-the-Kitchen-by-Michele-Cranston.pdf
    • http://loaminoo.linkpc.net/5092091097099093/The-Cowboy-Way-An-Exploration-of-History-and-Culture-by-Paul-H-Carlson.pdf
    • http://loaminoo.linkpc.net/3096098097094090/The-Sumerians-Their-History-Culture-and-Character-by-Samuel-Noah-Kramer.pdf
    • http://loaminoo.linkpc.net/7094095093099091/The-French-in-Texas-History-Migration-Culture-by-Fran-ois-Lagarde.pdf
    • http://loaminoo.linkpc.net/4093098090095097/Search-for-Africa-The-History-Culture-Politics-by-Basil-Davidson.pdf
    • http://loaminoo.linkpc.net/8090099093097096/Defining-Canada-History-Identity-And-Culture-by-Nick-Brune.pdf
    • http://loaminoo.linkpc.net/6094099095096092/Fonts-amp-Logos-Font-Analysis-Logotype-Design-Typography-Type-Comparison-and-History-by-Doyald-Young.pdf
    • http://loaminoo.linkpc.net/2099097099095092/Jackets-Required-An-Illustrated-History-of-American-Book-Jacket-Design-1920-1950-by-Steven-Heller.pdf
    • http://loaminoo.linkpc.net/7092099090096098/Ottoman-Cyprus-A-Collection-of-Studies-on-History-and-Culture-by-Eftihios-Gavriel.pdf