Malicious PDF — malware analysis report

Static analysis result for SHA-256 e84fd4d55aa1d8fb…

MALICIOUS

PDF

24.0 KB Created: 2019-04-30 03:45:44 +01:00 Authoring application: mPDF 5.7
MD5: 48126f639a04be7a2b9e78486e25cb0c SHA-1: ccf118c9b0cc438003434817ba0788641c7dc3e2 SHA-256: e84fd4d55aa1d8fb1a43a7a46a514689e1c20e72f6fe9d66489f7edf350831ae
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a large number of embedded URLs pointing to external resources, as indicated by the PDF_SEO_LINK_FARM heuristic. While the document body is heavily obfuscated, the presence of numerous links suggests an attempt to direct users to potentially malicious content or for SEO manipulation. No scripts were extracted from this sample. The primary IOCs are the URLs found within the document.

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/5093091098094093/The-Second-World-War-A-Complete-History-by-Martin-Gilbert.pdf
    • http://loaminoo.linkpc.net/4090090099097095/The-Somme-Heroism-and-Horror-in-the-First-World-War-by-Martin-Gilbert.pdf
    • http://loaminoo.linkpc.net/4098096099096098/World-History-Ancient-History-United-States-History-European-Native-American-Russian-Chinese-Asian-Indian-and-Australian-History-Wars-including-World-War-1-and-2-by-Adam-Brown.pdf
    • http://loaminoo.linkpc.net/1092097092096092/The-World-of-Ice-amp-Fire-The-Untold-History-of-Westeros-and-the-Game-of-Thrones-by-George-R-R-Martin.pdf
    • http://loaminoo.linkpc.net/1090090094099097090/World-History-Complete-Paperback-7th-Edition-with-CourseMate-Access-Card-by-William-J-Duiker.pdf
    • http://loaminoo.linkpc.net/7096099092097090/SR-71-The-Complete-Illustrated-History-of-the-Blackbird-The-World-s-Highest-Fastest-Plane-by-Richard-H-Graham.pdf
    • http://loaminoo.linkpc.net/7090097092093090/Organ-Alleluias-for-Easter-by-Gilbert-Martin.pdf
    • http://loaminoo.linkpc.net/8094091091096097/Winston-S-Churchill-The-Challenge-of-War-1914-1916-by-Martin-Gilbert.pdf
    • http://loaminoo.linkpc.net/8094094096092093/Solus-Decalogus-Est-Aeternus-Martin-Luther-s-Complete-Antinomian-Theses-and-Disputations-by-Martin-Luther.pdf
    • http://loaminoo.linkpc.net/9098092097093092/The-History-of-Development-by-Gilbert-Bist.pdf
    • http://loaminoo.linkpc.net/6096091090090092/The-End-of-the-European-Era-1890-to-the-Present-The-Norton-History-of-Modern-Europe-by-Felix-Gilbert.pdf
    • http://loaminoo.linkpc.net/6098098098092090/Love-and-Rockets-Vol-14-Luba-Conquers-the-World-by-Gilbert-Hern-ndez.pdf
    • http://loaminoo.linkpc.net/4090098098096094/Forest-Child-Vikings-of-the-New-World-Saga-2-by-Heather-Day-Gilbert.pdf
    • http://loaminoo.linkpc.net/8098097090098091/History-s-Greatest-Lies-The-Startling-Truths-Behind-World-Events-our-History-Books-Got-Wrong-by-William-Weir.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/1090090094099096095/Bundle-World-History-Volume-I-To-1800-Loose-leaf-Version-8th-LMS-Integrated-for-MindTap-History-1-term-6-months-Printed-Access-Card-by-William-J-Duiker.pdf
    • http://loaminoo.linkpc.net/4095097099092092/Superman-The-Complete-History-by-Les-Daniels.pdf
    • http://loaminoo.linkpc.net/4099094099091093/Opium-A-History-by-Martin-Booth.pdf
    • http://loaminoo.linkpc.net/5097094094094/The-Cold-War-A-History-by-Martin-Walker.pdf
    • http://loaminoo.linkpc.net/8094094095096098/Bang-The-Complete-History-of-the-Universe-by-Brian-May.pdf