Malicious PDF — malware analysis report

Static analysis result for SHA-256 c2a6cc13de32ea10…

MALICIOUS

PDF

19.0 KB Created: 2019-05-07 02:52:19 +01:00 Authoring application: mPDF 5.7
MD5: 43ae365e98669da53c86bcbbc051fe7f SHA-1: 0212339b333adf8d5f1da50c8996323bad01955b SHA-256: c2a6cc13de32ea109831dfca2a6ddf6b0ab48f60011b50e729d7ffbbcd50fba8
90 Risk Score

Malware Insights

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

The PDF contains a large number of embedded URLs, as indicated by the PDF_SEO_LINK_FARM heuristic. While many of these URLs were classified as benign, the sheer volume and the critical severity of the heuristic suggest a malicious intent, possibly for SEO spam or to host malicious content. The ML classifier also flagged the PDF with high confidence. No scripts were extracted, and the document body was heavily obfuscated, limiting further analysis of the specific lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9940

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://muicuiu.dumb1.com/9a03a02a03a00a07/DC-Super-Friends-Wanted-The-Super-Friends-by-Sholly-Fisch.pdf
    • http://muicuiu.dumb1.com/9a03a02a02a05a00/DC-Super-Friends-Volume-2-Calling-All-Super-Friends-by-Sholly-Fisch.pdf
    • http://muicuiu.dumb1.com/9a03a02a02a04a04/DC-Super-Friends-For-Justice-by-Sholly-Fisch.pdf
    • http://muicuiu.dumb1.com/3a00a08a02a05a00/DC-Super-Friends-Volume-3-Head-of-the-Class-by-Sholly-Fisch.pdf
    • http://muicuiu.dumb1.com/4a05a02a03a02a00/The-Curse-of-the-Golden-Heart-Sweet-Valley-Twins-and-Friends-Super-Chiller-6-by-Francine-Pascal.pdf
    • http://muicuiu.dumb1.com/1a01a02a01a01a05a06/Friends-Stories-About-New-Friends-Old-Friends-And-Unexpectedly-True-Friends-by-Ann-M-Martin.pdf
    • http://muicuiu.dumb1.com/7a07a02a01a01a01/Super-Power-Spoony-Bards-and-Silverware-The-Super-Nintendo-Entertainment-System-by-Dominic-Arsenault.pdf
    • http://muicuiu.dumb1.com/7a00a05a05/Super-Sales-on-Super-Heroes-Book-2-by-William-D-Arand.pdf
    • http://muicuiu.dumb1.com/2a09a08a01a02a02/Super-Indy-Super-Student-by-Alex-Letner.pdf
    • http://muicuiu.dumb1.com/4a09a06a07a01a05/Searching-for-Super-Almost-Super-2-by-Marion-Jensen.pdf
    • http://muicuiu.dumb1.com/1a00a07a06a05a03a01/Super-Zett-and-the-Guardians-of-Germany-Super-Zett-Comic-Rough-Draft-by-Paul-and-Hilke-Brandes-Missick.pdf
    • http://muicuiu.dumb1.com/2a00a00a09a04a06/Super-Super-1-by-Mari-Stroud.pdf
    • http://muicuiu.dumb1.com/3a08a00a05a09a02/Jessica-Darling-s-It-List-2-The-Totally-Not-Guaranteed-Guide-to-Friends-Foes-amp-Faux-Friends-by-Megan-McCafferty.pdf
    • http://muicuiu.dumb1.com/9a03a02a02a09a08/Catwoman-29-by-Sholly-Fisch.pdf
    • http://muicuiu.dumb1.com/9a03a02a01a05a06/Gen-Version-2-0-by-Sholly-Fisch.pdf
    • http://muicuiu.dumb1.com/9a03a02a01a06a00/Mr-Peabody-amp-Sherman-by-Sholly-Fisch.pdf
    • http://muicuiu.dumb1.com/2a07a00a05a02a03/Friends-Don-t-Let-Friends-be-Undead-by-Seth-Tucker.pdf
    • http://muicuiu.dumb1.com/9a03a02a03a01a05/Teen-Titans-Go-2013--11-by-Sholly-Fisch.pdf
    • http://muicuiu.dumb1.com/9a03a02a00a00a04/Teen-Titans-Go-2014--1-by-Sholly-Fisch.pdf
    • http://muicuiu.dumb1.com/9a03a02a02a09a09/Teen-Titans-Go-2014--9-by-Sholly-Fisch.pdf
    • http://muicuiu.dumb1.com/7a07a02a01a01a01/Super-Power-Spoony-Bards-and-Silver

Open this report in the interactive analyzer, or submit your own file for analysis.