Malicious PDF — malware analysis report

Static analysis result for SHA-256 50410efdb2b46254…

MALICIOUS

PDF

14.4 KB Created: 2019-04-29 22:46:07 +01:00 Authoring application: mPDF 5.7
MD5: 6513feb2db3e0d35ba851ae54b7745f6 SHA-1: 3683b0a98fb606aceb80a704c8031383ff04a966 SHA-256: 50410efdb2b46254aaa6aae7dc0701ee554102744494e5a4fda597dc7fc50adf
60 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, identified by the PDF_SEO_LINK_FARM heuristic. While many of these links point to what appear to be benign book titles, the sheer volume and the use of a dynamic DNS hostname (linkpc.net) suggest a potential SEO manipulation or a lure for users to click through to potentially malicious content. No scripts were extracted, and the document body was unreadable, limiting further analysis of the specific intent beyond link distribution.

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/4098095094098/A-Suitable-Vengeance-Inspector-Lynley-4-by-Elizabeth-George.pdf
    • http://loaminoo.linkpc.net/3093097092095096/Believing-the-Lie-Inspector-Lynley-17-by-Elizabeth-George.pdf
    • http://loaminoo.linkpc.net/2091099099098092/Just-One-Evil-Act-Inspector-Lynley-18-by-Elizabeth-George.pdf
    • http://loaminoo.linkpc.net/2091093093096094/Just-One-Evil-Act-Inspector-Lynley-18-by-Elizabeth-George.pdf
    • http://loaminoo.linkpc.net/1094093091096097/A-Traitor-to-Memory-Inspector-Lynley-11-by-Elizabeth-George.pdf
    • http://loaminoo.linkpc.net/1098096096097091/Playing-for-the-Ashes-Inspector-Lynley-7-by-Elizabeth-George.pdf
    • http://loaminoo.linkpc.net/5090093095094097/In-the-Presence-of-the-Enemy-Inspector-Lynley-8-by-Elizabeth-George.pdf
    • http://loaminoo.linkpc.net/9090095093096/A-Traitor-to-Memory-Inspector-Lynley-11-by-Elizabeth-George.pdf
    • http://loaminoo.linkpc.net/7096093097/The-Punishment-She-Deserves-Inspector-Lynley-20-by-Elizabeth-George.pdf
    • http://loaminoo.linkpc.net/3090095094098099/For-the-Sake-of-Elena-Inspector-Lynley-5-by-Elizabeth-George.pdf
    • http://loaminoo.linkpc.net/8098093091096/In-Pursuit-of-the-Proper-Sinner-Inspector-Lynley-10-by-Elizabeth-George.pdf
    • http://loaminoo.linkpc.net/4097090095094092/Corpse-at-the-Carnival-Chief-Inspector-Littlejohn-29-by-George-Bellairs.pdf
    • http://loaminoo.linkpc.net/7099094095090097/Salem-s-Vengeance-Vengeance-Trilogy-1-by-Aaron-Galvin.pdf
    • http://loaminoo.linkpc.net/7099094096099094/Vengeance-Be-Mine-Vengeance-Demons-1-by-Louisa-Lo.pdf
    • http://loaminoo.linkpc.net/4098094091095094/Call-Me-Vengeance-Vengeance-MC-1-by-Natasha-Thomas.pdf
    • http://loaminoo.linkpc.net/1098096096099098/I-Richard-by-Elizabeth-George.pdf
    • http://loaminoo.linkpc.net/1094099092094099/Elizabeth-I-by-Margaret-George.pdf
    • http://loaminoo.linkpc.net/4090099091093/A-Woman-After-God-s-Own-Heart-by-Elizabeth-George.pdf
    • http://loaminoo.linkpc.net/5090090095093098/Zand-over-Elena-by-Elizabeth-George.pdf
    • http://loaminoo.linkpc.net/7095098095098094/Zand-over-Elena-by-Elizabeth-George.pdf
    • http://loaminoo.linkpc.net/3090095094098099/For-the-Sake-of-Elena-Inspector-Lynley-5-by-Elizabeth-George