Malicious PDF — malware analysis report

Static analysis result for SHA-256 cef52633179cd9e6…

MALICIOUS

PDF

16.6 KB Created: 2019-05-07 04:22:12 +01:00 Authoring application: mPDF 5.7
MD5: bc8951693e0cc98bdf1687edaed01eab SHA-1: 2f332b03242b6c53b9bc5b6ee884b9789972dc9f SHA-256: cef52633179cd9e6149a6d6bfdcf4e26fe461aaf43b74b37d8ab173f65dc562b
90 Risk Score

Malware Insights

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

The PDF contains a large number of embedded URLs, identified as a link farm. While the specific URLs extracted are currently marked as benign, the heuristic 'PDF_SEO_LINK_FARM' indicates a pattern of generating numerous links, often used for SEO manipulation or to distribute malicious content. The ML classifier also flagged this PDF as malicious with high confidence. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9913

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://xiixmcuin.linkpc.net/3201200208200202/The-Monsters-Anonymous-Club-Don-t-Play-with-Dead-Things-by-J-L-Lipp.pdf
    • http://xiixmcuin.linkpc.net/4200201200208207/Children-Shouldn-t-Play-with-Dead-Things-Dead-Things-1-by-Martina-McAtee.pdf
    • http://xiixmcuin.linkpc.net/1207205201203202/Dark-Dreams-and-Dead-Things-Dead-Things-2-by-Martina-McAtee.pdf
    • http://xiixmcuin.linkpc.net/5209203209203/Dead-Girls-Dead-Boys-Dead-Things-by-Richard-Calder.pdf
    • http://xiixmcuin.linkpc.net/8208208203/To-Make-Monsters-Out-of-Girls-Things-that-Haunt-1-by-Amanda-Lovelace.pdf
    • http://xiixmcuin.linkpc.net/1207200202209201/All-the-dirty-things-I-would-do-to-you-by-Anonymous.pdf
    • http://xiixmcuin.linkpc.net/4209203208200203/Worse-Things-Happen-at-Sea-A-Tale-of-Pirates-Poison-and-Monsters-The-Ratbridge-Chronicles-2-by-Alan-Snow.pdf
    • http://xiixmcuin.linkpc.net/5205209204200202/True-Blood-Collection-Dead-Reckoning-Dead-in-the-Family-a-Touch-of-Dead-Dead-and-Gone-Dead-to-the-World-Dead-as-a-Doornail-All-Together-Dead-and-More-by-Charlaine-Harris.pdf
    • http://xiixmcuin.linkpc.net/1208204208200207/Big-Things-Have-Small-Beginnings-Learn-to-Play-in-the-Great-Game-by-Wes-Berry.pdf
    • http://xiixmcuin.linkpc.net/2207207201207200/Play-Dead-Dog-Days-4-by-John-Levitt.pdf
    • http://xiixmcuin.linkpc.net/4204204209207207/Let-s-Play-Dead-Museum-2-by-Sheila-Connolly.pdf
    • http://xiixmcuin.linkpc.net/3203208205209206/Play-Dead-Glasgow-Lads-3-5-by-Avery-Cockburn.pdf
    • http://xiixmcuin.linkpc.net/3204205209200208/The-Dead-Play-On-Cafferty-and-Quinn-3-by-Heather-Graham.pdf
    • http://xiixmcuin.linkpc.net/3209204200209203/Play-Dead-Allie-Babcock-Mystery-1-by-Leslie-O-39-Kane.pdf
    • http://xiixmcuin.linkpc.net/2201204200208/Bright-Dead-Things-by-Ada-Limon.pdf
    • http://xiixmcuin.linkpc.net/3205209205200204/Dead-Things-by-Matt-Darst.pdf
    • http://xiixmcuin.linkpc.net/2202204203203204/Dead-Things-by-Meredith-Russell.pdf
    • http://xiixmcuin.linkpc.net/9205209206200/Pretty-Little-Dead-Things-by-Gary-McMahon.pdf
    • http://xiixmcuin.linkpc.net/4203201204209203/69-Things-to-Do-With-a-Dead-Princess-by-Stewart-Home.pdf
    • http://xiixmcuin.linkpc.net/1201208200201200207/Dead-Girls-Club-by-Crash-Froelich.pdf
    • http://xiixmcuin.linkpc.net/5205209204200202/True-Blood-Collection-Dead-Reckoning-Dead-in-the-Family-a-Touch-of-Dead-Dead-and-Gone-Dead-to-the-Wor

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