Malicious PDF — malware analysis report

Static analysis result for SHA-256 c615039036c113b6…

MALICIOUS

PDF

20.7 KB Created: 2019-05-01 17:12:19 +01:00 Authoring application: mPDF 5.7
MD5: ccf310cda1217841dd5d959dba6f59d1 SHA-1: b3b89369f03a52592d6586e61d0f40f5028d5e3a SHA-256: c615039036c113b6a7fb8b97aedab56bb340e278a17f0732913acf92b0a9f1fe
90 Risk Score

Malware Insights

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

The PDF file was flagged by a machine learning classifier as malicious. Static analysis revealed a large number of embedded external links, many of which use numeric slugs in the URL, suggesting a link farm for SEO manipulation or to distribute further malicious content. While the document body is heavily obfuscated, the primary threat appears to stem from the extensive use of these external links.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9942

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/2095096092093098/The-Temptation-of-Elizabeth-Tudor-Elizabeth-I-Thomas-Seymour-and-the-Making-of-a-Virgin-Queen-by-Elizabeth-Norton.pdf
    • http://loaminoo.linkpc.net/1097098097097093/Counting-One-s-Blessings-The-Selected-Letters-of-Queen-Elizabeth-the-Queen-Mother-by-William-Shawcross.pdf
    • http://loaminoo.linkpc.net/4090093095095093/Five-Gold-Rings-A-Royal-Wedding-Souvenir-Album-from-Queen-Victoria-to-Queen-Elizabeth-II-by-Jane-Roberts.pdf
    • http://loaminoo.linkpc.net/4092097091091096/Queen-Elizabeth-s-Daughter-A-Novel-of-Elizabeth-I-by-Anne-Clinard-Barnhill.pdf
    • http://loaminoo.linkpc.net/3093099095098091/Elizabeth-the-Queen-The-Lady-Elizabeth-by-Alison-Weir.pdf
    • http://loaminoo.linkpc.net/2097093092099094/Red-Rosa-A-Graphic-Biography-of-Rosa-Luxemburg-by-Kate-Evans.pdf
    • http://loaminoo.linkpc.net/8098090098099/Queen-Elizabeth-I-by-J-E-Neale.pdf
    • http://loaminoo.linkpc.net/2095099092098091/Queen-s-Gambit-by-Elizabeth-Fremantle.pdf
    • http://loaminoo.linkpc.net/8092097094097095/Queen-Victoria-by-Elizabeth-Longford.pdf
    • http://loaminoo.linkpc.net/5098098091092/Elizabeth-Queen-of-the-Seas-by-Lynne-Cox.pdf
    • http://loaminoo.linkpc.net/4094096094092098/Queen-Elizabeth-s-Wardrobe-Unlock-d-by-Janet-Arnold.pdf
    • http://loaminoo.linkpc.net/3093099095098098/Queen-Elizabeth-and-the-Spanish-Armada-by-Frances-Winwar.pdf
    • http://loaminoo.linkpc.net/3095099093090092/The-Hollow-Queen-Symphony-of-Ages-8-by-Elizabeth-Haydon.pdf
    • http://loaminoo.linkpc.net/3094090091094097/Elizabeth-of-York-The-Forgotten-Tudor-Queen-by-Amy-Licence.pdf
    • http://loaminoo.linkpc.net/2093090097094094/Ashes-of-Britannia-Warrior-Queen-3-by-Haley-Elizabeth-Garwood.pdf
    • http://loaminoo.linkpc.net/9096090099/Elizabeth-the-Queen-The-Life-of-a-Modern-Monarch-by-Sally-Bedell-Smith.pdf
    • http://loaminoo.linkpc.net/3093099092092094/Plantagenet-Princess-Tudor-Queen-The-Story-of-Elizabeth-of-York-by-Samantha-Wilcoxson.pdf
    • http://loaminoo.linkpc.net/1091091093098098092/Calendar-of-the-Patent-and-Close-Rolls-of-Chancery-in-Ireland-Vol-2-From-the-18th-to-the-45th-of-Queen-Elizabeth-by-James-Morrin.pdf
    • http://loaminoo.linkpc.net/8091095090090097/Certaine-Sermons-or-Homilies-Appointed-to-Be-Read-in-Churches-in-the-Time-of-Queen-Elizabeth-I-1547-1571-by-Church-of-England.pdf
    • http://loaminoo.linkpc.net/7091099099092094/Agents-of-Terror-Queen-Elizabeth-1st-amp-St-Edmund-Campion-Religious-Freedom-or-Government-Control-Which-is-the-terrorist-by-Sarita-Mirador.pdf