Malicious PDF — malware analysis report

Static analysis result for SHA-256 d3d1b97c5a442182…

MALICIOUS

PDF

21.0 KB Created: 2019-04-30 04:44:59 +01:00 Authoring application: mPDF 5.7
MD5: 7c0c4c6b888de58f1ca8668fc80cf884 SHA-1: 33914f8c152050188e903b607ad8e244afeb1aff SHA-256: d3d1b97c5a4421824b95575718070b2facc57f39cc734e18ad52455fdb91fca9
60 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded URLs, identified by the PDF_SEO_LINK_FARM heuristic. These URLs point to various book titles hosted on the loaminoo.linkpc.net domain. While the URLs themselves are marked as benign, the sheer volume and the nature of the heuristic suggest a potential attempt at SEO manipulation or as a distribution point for further malicious content. No scripts were extracted, and the document body was heavily obfuscated, limiting further analysis.

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/1091092093093097097/What-to-Do-When-You-Can-t-Decide-Useful-Tools-for-Finding-the-Answers-Within-by-Meg-Lundstrom.pdf
    • http://loaminoo.linkpc.net/8094098098091096/Finding-Fuzzy-a-You-Decide-Tale-of-a-Lost-Friend-by-Cat-Michaels.pdf
    • http://loaminoo.linkpc.net/4094099092096093/Miracles-Now-108-Life-Changing-Tools-for-Less-Stress-More-Flow-and-Finding-Your-True-Purpose-by-Gabrielle-Bernstein.pdf
    • http://loaminoo.linkpc.net/2099097099095098/Mystery-and-Crime-The-New-York-Public-Library-Book-of-Answers-Intriguing-and-Entertaining-Questions-and-Answers-About-the-Who-s-Who-and-Whats-s-by-Jay-Pearsall.pdf
    • http://loaminoo.linkpc.net/1091099097096095095/Automotive-Tools-Manual-Guide-to-Buying-and-Using-Automotive-Tools-by-John-Harold-Haynes.pdf
    • http://loaminoo.linkpc.net/1091092093095090096/The-Phantom-1703-The-Immortal-by-Janne-Lundstr-m.pdf
    • http://loaminoo.linkpc.net/1091092093094099097/Certain-Hope-for-Uncertain-Times-by-Lowell-Lundstrom.pdf
    • http://loaminoo.linkpc.net/2094092092091097/Finding-Julian-The-Finding-Trilogy-1-by-Shane-K-Morgan.pdf
    • http://loaminoo.linkpc.net/2097092092098095/Finding-Aaron-Finding-Home-1-by-Gigi-Kern.pdf
    • http://loaminoo.linkpc.net/8094098099096092/Yes-Man-The-Amazing-Tale-Of-What-Happens-When-You-Decide-To-Say-Yes-by-Danny-Wallace.pdf
    • http://loaminoo.linkpc.net/8094098099098099/Blindfolds-Off-Judges-on-How-They-Decide-by-Joel-Cohen.pdf
    • http://loaminoo.linkpc.net/2093097099099097/Your-Medical-Mind-How-to-Decide-What-Is-Right-for-You-by-Jerome-Groopman.pdf
    • http://loaminoo.linkpc.net/1091092093094095094/Near-Equilibrium-Transport-Fundamentals-and-Applications-by-Mark-Lundstrom.pdf
    • http://loaminoo.linkpc.net/8094099090090095/Decide-Better-Ways-of-Making-Better-Decisions-by-David-Wethey.pdf
    • http://loaminoo.linkpc.net/2090099094094092/The-Coldest-War-Doctor-Who-Decide-Your-Destiny-14-by-Colin-Brake.pdf
    • http://loaminoo.linkpc.net/1091092093093098095/One-Drop-in-a-Sea-of-Blue-The-Liberators-of-the-Ninth-Minnesota-by-John-B-Lundstrom.pdf
    • http://loaminoo.linkpc.net/1090092092096099096/Der-Alte-Palast-in-Assur-Architektur-Und-Baugeschichte-by-Steven-Lundstrom.pdf
    • http://loaminoo.linkpc.net/1091092093094094095/Raku-Glass---A-Kiln-Firing-Process-by-Boyce-Lundstrom.pdf
    • http://loaminoo.linkpc.net/1091091097093092090/Finding-Peace-Finding-3-by-Sloane-Kennedy.pdf
    • http://loaminoo.linkpc.net/8094098099099098/Dating-the-Divorced-Man-Sort-Through-the-Baggage-to-Decide-If-He-s-Right-for-You-by-Christie-Hartman.pdf