Malicious PDF — malware analysis report

Static analysis result for SHA-256 1ae9ea6cab169b94…

MALICIOUS

PDF

14.5 KB Created: 2019-04-30 03:34:38 +01:00 Authoring application: mPDF 5.7
MD5: 10003d23955efff078cef059054e0c1d SHA-1: ddfe1ca8028aaa28a3a635098c15b92d48cb6bb6 SHA-256: 1ae9ea6cab169b9476909b233d27bbb442004b100ca1101b9e66f9f371363954
90 Risk Score

Malware Insights

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

The PDF document was flagged by a machine learning classifier and contains a large number of embedded links, indicating a potential SEO poisoning or link farm attack. The primary heuristic identified a link farm with 21 external PDF links, predominantly hosted on 'loaminoo.linkpc.net'. While the document body is unreadable, the structure and heuristics strongly suggest the PDF's purpose is to distribute traffic or potentially lead users to malicious content via these links.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9891

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/7097094090095094/Green-House-Eco-Friendly-Disposal-and-Recycling-at-Home-by-Norm-Crampton.pdf
    • http://loaminoo.linkpc.net/7097094092091092/The-Geographical-Reading-Book-by-T-Crampton-and-T-Turner-by-Thomas-Crampton.pdf
    • http://loaminoo.linkpc.net/2093092098099095/Hot-Trash-Trash-1-2-by-Cherie-Bennett.pdf
    • http://loaminoo.linkpc.net/2096096099093095/White-Trash-Love-Song-White-Trash-Trilogy-3-by-Teresa-Mummert.pdf
    • http://loaminoo.linkpc.net/1094094097090098/White-Trash-Beautiful-White-Trash-Trilogy-1-by-Teresa-Mummert.pdf
    • http://loaminoo.linkpc.net/1097094090096092/How-the-White-Trash-Zombie-Got-Her-Groove-Back-White-Trash-Zombie-4-by-Diana-Rowland.pdf
    • http://loaminoo.linkpc.net/3093099095090090/White-Trash-Zombie-Unchained-White-Trash-Zombie-6-by-Diana-Rowland.pdf
    • http://loaminoo.linkpc.net/2099093098099090/Jumpers-by-Norm-Applegate.pdf
    • http://loaminoo.linkpc.net/4090093091092095/Shockwave-by-Norm-Applegate.pdf
    • http://loaminoo.linkpc.net/2094091093097/Rikki-by-Norm-Harper.pdf
    • http://loaminoo.linkpc.net/4090093097091096/The-prisoner-by-Norm-Applegate.pdf
    • http://loaminoo.linkpc.net/1092091097094096/The-New-Norm-by-Nakedi-Mbabama.pdf
    • http://loaminoo.linkpc.net/2090094091096096/The-Frog-Who-Would-Be-Prince-by-Norm-DaPloom.pdf
    • http://loaminoo.linkpc.net/2094093090097094/The-Saladin-Strategy-by-Norm-Clark.pdf
    • http://loaminoo.linkpc.net/5096092098098096/May-Cause-Irritation-The-World-of-Norm-2-by-Jonathan-Meres.pdf
    • http://loaminoo.linkpc.net/5096092099097095/May-Be-Contagious-The-World-of-Norm-5-by-Jonathan-Meres.pdf
    • http://loaminoo.linkpc.net/7097094090096097/Bulgaria-by-R-J-Crampton.pdf
    • http://loaminoo.linkpc.net/7097093099099096/The-Sunburnt-Queen-by-Hazel-Crampton.pdf
    • http://loaminoo.linkpc.net/7097094090095093/Writers-Photographs-by-Nancy-Crampton.pdf
    • http://loaminoo.linkpc.net/7097094090090090/A-Concise-History-of-Bulgaria-by-R-J-Crampton.pdf
    • http://loaminoo.linkpc.net/4090093091