Malicious PDF — malware analysis report

Static analysis result for SHA-256 e274e79bd404b154…

MALICIOUS

PDF

25.8 KB Created: 2019-05-01 18:31:29 +01:00 Authoring application: mPDF 5.7
MD5: 7e3027d3f8ae4094995367050b051a01 SHA-1: a6e599f9222e9c69f1a7fb8a8ce602eea7c7a4d3 SHA-256: e274e79bd404b154a609a6d6d26d7591c958f885d8c23350eb17a4dc45eb9a94
60 Risk Score

Malware Insights

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

The PDF contains a large number of embedded URLs, identified by the PDF_SEO_LINK_FARM heuristic. While the URLs themselves are currently marked as benign, the sheer volume and structure suggest a malicious intent, possibly for SEO poisoning or to distribute further malicious content. The document body is heavily obfuscated but contains repeated instances of these URLs. No scripts were extracted from this sample.

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/7099091098095098/Julius-Caesar-A-Tragedy-as-It-Is-Acted-at-the-Theatre-Royal-in-Drury-Lane-by-His-Majesty-s-Servants-by-William-Shakespeare.pdf
    • http://loaminoo.linkpc.net/6091099096095092/Julius-Caesar-Passing-the-Point-of-No-Return-Roman-General-and-Statesman-Julius-Caesar-Turned-the-Roman-Republic-Into-the-Powerful-Roman-Empire-a-Coup-Ended-His-Reign-and-His-Life-on-the-Ides-of-March-by-William-Shakespeare.pdf
    • http://loaminoo.linkpc.net/1090098099094098091/Complete-Works-of-William-Shakespeare-154-Sonnets-Romeo-and-Juliet-Othello-Hamlet-Macbeth-Antony-and-Cleopatra-The-Tempest-Julius-Caesar-King-Cressida-The-Winter-s-Tale-amp-more-by-William-Shakespeare.pdf
    • http://loaminoo.linkpc.net/8092097095090098/Shakespeare-s-Julius-Caesar---For-Use-in-Schools-and-Classes-by-William-Shakespeare.pdf
    • http://loaminoo.linkpc.net/6093095095094091/Julius-Caesar-Original-Text-amp-Modern-Verse-Shakespeare-Made-Easy-Series-by-William-Shakespeare.pdf
    • http://loaminoo.linkpc.net/4098095095097096/Julius-Caesar-by-William-Shakespeare.pdf
    • http://loaminoo.linkpc.net/1091092092097097091/Julius-Caesar-by-William-Shakespeare.pdf
    • http://loaminoo.linkpc.net/7097096096095096/Julius-Caesar-by-William-Shakespeare.pdf
    • http://loaminoo.linkpc.net/5099091098096097/Julius-Caesar-by-William-Shakespeare.pdf
    • http://loaminoo.linkpc.net/1090097091095098093/Julius-Caesar-by-William-Shakespeare.pdf
    • http://loaminoo.linkpc.net/7098095098093095/The-Tragedie-of-Julius-Caesar-by-William-Shakespeare.pdf
    • http://loaminoo.linkpc.net/8098091094095095/Julius-Caesar-a-Longman-Cultural-Edition-by-William-Shakespeare.pdf
    • http://loaminoo.linkpc.net/6090099097091095/Julius-Caesar-Includes-MLA-Style-Citations-for-Scholarly-Secondary-Sources-Peer-Reviewed-Journal-Articles-and-Critical-Essays-by-William-Shakespeare.pdf
    • http://loaminoo.linkpc.net/8095095099093096/Julius-Caesar-First-Folio-Edition-First-Folio-Editions-Book-30-by-William-Shakespeare.pdf
    • http://loaminoo.linkpc.net/4094099091099099/The-Landmark-Julius-Caesar-The-Complete-Works-by-Gaius-Julius-Caesar.pdf
    • http://loaminoo.linkpc.net/1091098094094098097/The-world-of-Shakespeare-Hamlet-and-Julius-Caesar-by-shogo-kisaragi.pdf
    • http://loaminoo.linkpc.net/5096090096099092/Hamlet-FREE-The-Tragedy-Of-Macbeth-By-William-Shakespeare-100-Formatted-Illustrated---JBS-Classics-100-Greatest-Novels-of-All-Time-Book-23-by-William-Shakespeare.pdf
    • http://loaminoo.linkpc.net/2095092094092097/William-Shakespeare-s-Tragedy-of-the-Sith-s-Revenge-William-Shakespeare-s-Star-Wars-3-by-Ian-Doescher.pdf
    • http://loaminoo.linkpc.net/3096095099099092/William-Shakespeare-s-Tragedy-of-the-Sith-s-Revenge-William-Shakespeare-s-Star-Wars-3-by-Ian-Doescher.pdf
    • http://loaminoo.linkpc.net/8092095094094095/The-Yale-Shakespeare-The-Tragedy-of-Othello-The-Moor-of-Venice-by-William-Shakespeare.pdf