Malicious PDF — malware analysis report

Static analysis result for SHA-256 caaaa6cc04746e38…

MALICIOUS

PDF

22.1 KB Created: 2019-05-02 05:17:32 +01:00 Authoring application: mPDF 5.7
MD5: d6a0b993dd3f44b22cc68378ed6019ec SHA-1: 63fd8ab3016f19b21a1b07c67fd3541f650677b8 SHA-256: caaaa6cc04746e382f776c75471e0b9c0da06e50b57eeeccb47312a4303edad6
90 Risk Score

Malware Insights

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

The PDF file was flagged by a machine learning classifier as malicious and contains a large number of external links, many of which point to book-related content. The heuristic 'PDF_SEO_LINK_FARM' indicates a mass external PDF link farm, suggesting the primary purpose is to direct users to external resources. While the specific intent of these links is unclear, they are likely used for SEO manipulation or to distribute further malicious content. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9903

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/1099097091093094/Blog-To-Book-Burning-Entrepreneur-How-To-Launch-Fund-And-Set-Your-Startup-On-Fire-by-Brad-Feld.pdf
    • http://loaminoo.linkpc.net/5094099090095/Startup-Life-Surviving-and-Thriving-in-a-Relationship-with-an-Entrepreneur-by-Brad-Feld.pdf
    • http://loaminoo.linkpc.net/4099098090096091/Start-Your-Own-Business-The-Only-Startup-Book-You-ll-Ever-Need-by-The-Staff-of-Entrepreneur-Media-Inc.pdf
    • http://loaminoo.linkpc.net/1090090092092092093/Venture-Deals-by-Brad-Feld.pdf
    • http://loaminoo.linkpc.net/6094095092095095/Votre-blog-en-2H-Cr-ez-votre-propre-blog-Wordpress-pas---pas-R-ussir-son-blog-t-1-by-Jacques-SUREAU.pdf
    • http://loaminoo.linkpc.net/1090091096091096/Secrets-Book-Launch-Journey-to-the-Ultimate-Success-Book-2-Links-Included-by-Ndeye-Labadens.pdf
    • http://loaminoo.linkpc.net/1096090095097096/On-Fire-II-Still-Burning-On-Fire-2-by-Drew-Zachary.pdf
    • http://loaminoo.linkpc.net/4097094096092/The-Last-Dragon-Chronicles-Complete-Set-Books-1-5-The-Fire-Within-Icefire-Fire-Star-The-Fire-Eternal-and-Dark-Fire-5-Book-Set-by-Chris-d-39-Lacey.pdf
    • http://loaminoo.linkpc.net/4090095090095090/What-To-Do-Before-Your-Book-Launch-by-M-J-Rose.pdf
    • http://loaminoo.linkpc.net/9095090095096093/How-to-Build-a-Delicatessen-Business-Special-Edition-The-Only-Book-You-Need-to-Launch-Grow-amp-Succeed-by-T-K-Johnson.pdf
    • http://loaminoo.linkpc.net/1097099092/Not-on-Fire-but-Burning-by-Greg-Hrbek.pdf
    • http://loaminoo.linkpc.net/1099097092096091/APE-Author-Publisher-Entrepreneur-How-to-Publish-a-Book-by-Guy-Kawasaki.pdf
    • http://loaminoo.linkpc.net/4096094093097096/The-Lean-Startup-in-30-Minutes-A-Concise-Summary-of-Eric-Ries-Bestselling-Book-by-Garamond-Press.pdf
    • http://loaminoo.linkpc.net/1098098090099096/Light-My-Fire-Summer-of-the-Burning-Sky-1-by-Susan-May-Warren.pdf
    • http://loaminoo.linkpc.net/2094090095094091/Fire-in-an-Amber-Sky-Burning-Through-Gravity-3-by-Addison-Moore.pdf
    • http://loaminoo.linkpc.net/6091091099095099/VistaPrint-Website-Blog-Comment-Link-Removal-Guide-A-step-by-step-guide-to-get-rid-of-all-those-unwanted-hyperlinked-blog-comments-by-Christian-Maheux.pdf
    • http://loaminoo.linkpc.net/1091094098090093/Fire-amp-Roses-The-Burning-of-the-Charlestown-Convent-1834-by-Nancy-Lusignan-Schultz.pdf
    • http://loaminoo.linkpc.net/1092095096091099/The-Book-of-Lies-by-Brad-Meltzer.pdf
    • http://loaminoo.linkpc.net/3091098091093096/The-Book-of-Fate-by-Brad-Meltzer.pdf
    • http://loaminoo.linkpc.net/4092094093099097/Brief-Survey-of-the-Book-of-Romans-A-Short-Study-by-Brad-Andres.pdf
    • http://loaminoo.linkpc.net/1090091096091096/Secrets-Book