Malicious PDF — malware analysis report

Static analysis result for SHA-256 41206c37175f4d68…

MALICIOUS

PDF

20.2 KB Created: 2019-05-02 00:15:45 +01:00 Authoring application: mPDF 5.7
MD5: e4db4946778e18de9c3b8412bb8a3dd3 SHA-1: 731349a71d713cb12c0457627437b203d46630c2 SHA-256: 41206c37175f4d685c6633b9e6769e4816004965472f147125aab2f8d9668e91
68 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 to external PDF files, identified by the PDF_SEO_LINK_FARM heuristic. While the document body contains text suggesting urgency, the primary malicious activity appears to be the mass linking of external resources. No scripts were extracted from this sample. The URLs are the highest priority IOCs.

Heuristics 3

  • 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.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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/1090091097097095094/Douglas-Adams-5-Books-set-The-Hitchhiker-s-Guide-to-the-Galaxy-The-Restaurant-at-the-End-of-the-Universe-Life-The-Universe-and-Everything-So-Long-and-Thanks-for-all-the-Fish-and-Mostly-Harmless-by-Douglas-Adams.pdf
    • http://loaminoo.linkpc.net/4092094099096099/Life-the-Universe-and-Everything-by-Douglas-Adams.pdf
    • http://loaminoo.linkpc.net/2096090093090090/Life-the-Universe-and-Everything-Hitchhiker-s-Guide-3-by-Douglas-Adams.pdf
    • http://loaminoo.linkpc.net/3097097092099094/Life-the-Universe-and-Everything-Hitchhiker-s-Guide-3-by-Douglas-Adams.pdf
    • http://loaminoo.linkpc.net/3095091094096099/Life-the-Universe-and-Everything-Hitchhiker-s-Guide-3-by-Douglas-Adams.pdf
    • http://loaminoo.linkpc.net/4098090093096091/The-Restaurant-at-the-End-of-the-Universe-Hitchhiker-s-Guide-2-by-Douglas-Adams.pdf
    • http://loaminoo.linkpc.net/6091091097095/The-Restaurant-at-the-End-of-the-Universe-Hitchhiker-s-Guide-2-by-Douglas-Adams.pdf
    • http://loaminoo.linkpc.net/1096099094095090/The-Restaurant-at-the-End-of-the-Universe-Hitchhiker-s-Guide-to-the-Galaxy-2-by-Douglas-Adams.pdf
    • http://loaminoo.linkpc.net/9094093096092/The-Restaurant-at-the-End-of-the-Universe-Hitchhiker-s-Guide-to-the-Galaxy-2-by-Douglas-Adams.pdf
    • http://loaminoo.linkpc.net/4097097097093092/The-Restaurant-at-the-End-of-the-Universe-The-Hitchhiker-s-Guide-to-the-Galaxy-2-by-Douglas-Adams.pdf
    • http://loaminoo.linkpc.net/1094094090099099/Mr-Adams-s-Last-Crusade-The-Extraordinary-Post-presidential-Life-of-John-Quincy-Adams-by-Joseph-Wheelan.pdf
    • http://loaminoo.linkpc.net/3093090090095099/Last-Chance-to-See-by-Douglas-Adams.pdf
    • http://loaminoo.linkpc.net/4093095091096094/The-Meaning-of-Liff-by-Douglas-Adams.pdf
    • http://loaminoo.linkpc.net/2098090090091099/The-Hitchhiker-s-Trilogy-by-Douglas-Adams.pdf
    • http://loaminoo.linkpc.net/5098095093092091/The-Hitchhiker-s-Guide-to-the-Galaxy-by-Douglas-Adams.pdf
    • http://loaminoo.linkpc.net/1091092099097090090/Hitchhiker-s-Guide-to-the-Galaxy-by-Douglas-Adams.pdf
    • http://loaminoo.linkpc.net/2096091099096096/Douglas-Adams-s-Starship-Titanic-by-Terry-Jones.pdf
    • http://loaminoo.linkpc.net/6099098092097/The-Original-Hitchhiker-Radio-Scripts-by-Douglas-Adams.pdf
    • http://loaminoo.linkpc.net/3092092093098/The-Ultimate-Hitchhiker-s-Guide-to-the-Galaxy-by-Douglas-Adams.pdf
    • http://loaminoo.linkpc.net/3099092096092099/The-Long-Dark-Tea-time-of-the-Soul-Dirk-Gently-2-by-Douglas-Adams.pdf
    • http://loaminoo.linkpc.net/1096099094095090/Th

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