Malicious PDF — malware analysis report

Static analysis result for SHA-256 d4a9efca16f1f3db…

MALICIOUS

PDF

15.4 KB Created: 2019-05-02 17:05:23 +01:00 Authoring application: mPDF 5.7
MD5: 9302fc7a0f1ab5123a6f3aba458ed7e7 SHA-1: 28a99685bd1f651620cd05755f216b6969f22ebc SHA-256: d4a9efca16f1f3dbcf0df6a0a9b535782c32e3aa1441afca5ce194f254b45011
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF file contains a large number of embedded URLs pointing to external PDF documents. The heuristic 'PDF_SEO_LINK_FARM' indicates this is a link farm, likely intended to drive traffic or distribute malicious content indirectly. The URLs are hosted on a dynamic DNS domain, suggesting an attempt to evade detection. No scripts were extracted, and the document body is heavily obfuscated, limiting further analysis of the immediate intent beyond linking to external resources.

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/1099097097093/Time-to-Check-Out-Stan-Kraychik-Mystery-5-by-Grant-Michaels.pdf
    • http://loaminoo.linkpc.net/2090090092093/A-Body-to-Dye-For-Stan-Kraychik-Mystery-1-by-Grant-Michaels.pdf
    • http://loaminoo.linkpc.net/1099098098090/Mask-For-A-Diva-Stan-Kraychik-Mystery-4-by-Grant-Michaels.pdf
    • http://loaminoo.linkpc.net/1099099090098/Love-You-to-Death-Stan-Kraychik-Mystery-2-by-Grant-Michaels.pdf
    • http://loaminoo.linkpc.net/2095099092093099/Talking-To-My-Country-by-Stan-Grant.pdf
    • http://loaminoo.linkpc.net/8090099094099097/Time-to-learn-how-to-cook-Check-the-taste-from-cooking-schools-by-Yoshihiko-Shugo.pdf
    • http://loaminoo.linkpc.net/1090095099096096094/Journey-Into-Mystery-86-by-Stan-Lee.pdf
    • http://loaminoo.linkpc.net/1091090092095092096/One-Last-Time-by-Corinne-Michaels.pdf
    • http://loaminoo.linkpc.net/1099095099094093/Rain-Check-Rain-Check-1-by-Katherine-Tejeda.pdf
    • http://loaminoo.linkpc.net/2092092093098098/U-S-Grant-The-Civil-War-Years-Grant-Moves-South-and-Grant-Takes-Command-by-Bruce-Catton.pdf
    • http://loaminoo.linkpc.net/1092091090092096/Big-Time-by-Cynthia-D-Grant.pdf
    • http://loaminoo.linkpc.net/1090099096099097099/Stan-Without-Ollie-The-Stan-Laurel-Solo-Films-1917-1927-by-Ted-Okuda.pdf
    • http://loaminoo.linkpc.net/3097093096094095/High-Heels-and-Holidays-Maggie-Kelly-Mystery-5-by-Kasey-Michaels.pdf
    • http://loaminoo.linkpc.net/4098096093091096/Time-as-History-by-George-Parkin-Grant.pdf
    • http://loaminoo.linkpc.net/4098091093093/Stehekin-a-Valley-in-Time-by-Grant-McConnell.pdf
    • http://loaminoo.linkpc.net/4097098094095095/Excelsior-The-Amazing-Life-of-Stan-Lee-by-Stan-Lee.pdf
    • http://loaminoo.linkpc.net/6091095096096091/The-Personal-Memoirs-of-Julia-Dent-Grant-Mrs-Ulysses-S-Grant-by-John-Y-Simon.pdf
    • http://loaminoo.linkpc.net/9099095099093/Good-Stuff-A-Reminiscence-of-My-Father-Cary-Grant-by-Jennifer-Grant.pdf
    • http://loaminoo.linkpc.net/3090097099095090/Batman-Time-and-the-Batman-by-Grant-Morrison.pdf
    • http://loaminoo.linkpc.net/2098098097094/OMG-Oh-My-God-CUL8R-Time-Travel-Mystery-1-by-Bob-Kat.pdf
    • http://loaminoo.linkpc.net/1090099096099097099/Stan

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