Malicious PDF — malware analysis report

Static analysis result for SHA-256 2ce20f488901db79…

MALICIOUS

PDF

13.2 KB Created: 2019-05-04 14:16:48 +01:00 Authoring application: mPDF 5.7
MD5: 486d70b72359bad20d0570420e1a0c81 SHA-1: b4636e018938f861fa7c21470c48a0fc04bbf8d1 SHA-256: 2ce20f488901db79632590466164a00b75245f6cf2b88d6d4a6faeca6772a92e
60 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, identified by the PDF_SEO_LINK_FARM heuristic. These links all point to the same domain, loaminoo.linkpc.net, and appear to be for book downloads. While the URLs themselves are marked as benign, the sheer volume and structure suggest a potential SEO spam or link distribution tactic, which can be a precursor to malicious activity. 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/1094094098/Souls-Unfractured-Hades-Hangmen-3-by-Tillie-Cole.pdf
    • http://loaminoo.linkpc.net/7099095096098/It-Ain-t-Me-Babe-Hades-Hangmen-1-by-Tillie-Cole.pdf
    • http://loaminoo.linkpc.net/5095096097/I-Do-Babe-Hades-Hangmen-5-5-by-Tillie-Cole.pdf
    • http://loaminoo.linkpc.net/7094095090/Crux-Untamed-Hades-Hangmen-6-by-Tillie-Cole.pdf
    • http://loaminoo.linkpc.net/1091098092091098098/Heart-Recaptured-Hades-Hangmen-2-by-Tillie-Cole.pdf
    • http://loaminoo.linkpc.net/3096095099096096/Deep-Redemption-Hades-Hangmen-4-by-Tillie-Cole.pdf
    • http://loaminoo.linkpc.net/1094098096091093/Damnable-Grace-Hades-Hangmen-5-by-Tillie-Cole.pdf
    • http://loaminoo.linkpc.net/2092096096093092/Damnable-Grace-Hades-Hangmen-5-by-Tillie-Cole.pdf
    • http://loaminoo.linkpc.net/3096095091091096/Riot-Scarred-Souls-4-by-Tillie-Cole.pdf
    • http://loaminoo.linkpc.net/3098097097/Ravage-Scarred-Souls-3-by-Tillie-Cole.pdf
    • http://loaminoo.linkpc.net/8092099097/A-Wish-for-Us-by-Tillie-Cole.pdf
    • http://loaminoo.linkpc.net/2091094095093091/Thoroughly-Whipped-by-Tillie-Cole.pdf
    • http://loaminoo.linkpc.net/6096099096/Sick-Fux-by-Tillie-Cole.pdf
    • http://loaminoo.linkpc.net/2098090099/A-Thousand-Boy-Kisses-by-Tillie-Cole.pdf
    • http://loaminoo.linkpc.net/4094095097/A-Veil-of-Vines-by-Tillie-Cole.pdf
    • http://loaminoo.linkpc.net/2092093091/Sweet-Soul-Sweet-Home-4-Carillo-Boys-3-by-Tillie-Cole.pdf
    • http://loaminoo.linkpc.net/3098091096098/Sweet-Rome-Sweet-Home-1-5-by-Tillie-Cole.pdf
    • http://loaminoo.linkpc.net/2095096093094093/Sweet-Rome-Sweet-Home-1-5-by-Tillie-Cole.pdf
    • http://loaminoo.linkpc.net/1094097090097098/Marked-by-Hades-Bound-by-Hades-2-by-Reese-Monroe.pdf
    • http://loaminoo.linkpc.net/1098092097098092/Sweet-Home-Sweet-Home-1-by-Tillie-Cole.pdf