Malicious PDF — malware analysis report

Static analysis result for SHA-256 21f4b4b8151631b7…

MALICIOUS

PDF

18.3 KB Created: 2019-04-30 23:22:41 +01:00 Authoring application: mPDF 5.7
MD5: 4b8e4636dff7603d366c555930f721fa SHA-1: 0057d09e1dacc74d3abbe7c1b3745081c0290910 SHA-256: 21f4b4b8151631b7d7bce084122581fde51108567af1dcaa8b92eeb96f7baf9c
60 Risk Score

Malware Insights

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

The PDF contains a heuristic firing for a link farm, indicating a large number of embedded URLs. These URLs are likely used to manipulate search engine results or to distribute further malicious content. No scripts were extracted from this sample, and the document body is heavily obfuscated, limiting further analysis of the specific lure.

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.lin
    • http://loaminoo.linkpc.net/2095095091097098/The-Heart-of-a-Soldier-A-True-Love-Story-of-Love-War-and-Sacrifice-by-Kate-Blaise.pdf
    • http://loaminoo.linkpc.net/2091099098091092/Dear-Soldier-With-Love-II-A-Lost-Soldier-Named-Grey-by-Tarian-P-S-.pdf
    • http://loaminoo.linkpc.net/4098095096093095/Black-Is-the-Colour-of-My-True-Love-s-Heart-Felse-6-by-Ellis-Peters.pdf
    • http://loaminoo.linkpc.net/7093091091096092/True-Love-True-Self-A-Journey-To-Self-Love-by-Barbara-Daoust.pdf
    • http://loaminoo.linkpc.net/1090097094096/Super-Sad-True-Love-Story-by-Gary-Shteyngart.pdf
    • http://loaminoo.linkpc.net/2097096092093096/Super-Sad-True-Love-Story-by-Gary-Shteyngart.pdf
    • http://loaminoo.linkpc.net/8096097091091/William-and-Kate-A-Royal-Love-Story-by-Christopher-Andersen.pdf
    • http://loaminoo.linkpc.net/9096090093098090/Verspieltes-Gl-ck-True-Love-Story-by-Martina-Sahler.pdf
    • http://loaminoo.linkpc.net/4091094090097/The-Bridge-Across-Forever-A-True-Love-Story-by-Richard-Bach.pdf
    • http://loaminoo.linkpc.net/1098095095096096/The-Englishman-s-Daughter-A-True-Story-of-Love-and-Betrayal-in-World-War-I-by-Ben-Macintyre.pdf
    • http://loaminoo.linkpc.net/4095092095090093/Until-We-Meet-Again-A-True-Story-of-Love-and-Survival-in-the-Holocaust-by-Michael-Korenblit.pdf
    • http://loaminoo.linkpc.net/2095094098099096/Agent-Zigzag-A-True-Story-of-Nazi-Espionage-Love-and-Betrayal-by-Ben-Macintyre.pdf
    • http://loaminoo.linkpc.net/1095091098097090/Dillie-the-Deer-A-True-Story-of-Love-Healing-and-Family-by-Melanie-Butera.pdf
    • http://loaminoo.linkpc.net/2090092095097090/True-Love-s-Fire-A-Red-Hot-Valentine-Story-Hell-Yeah-12-by-Sable-Hunter.pdf
    • http://loaminoo.linkpc.net/1091095093091093/Goodbye-Sarajevo-A-True-Story-of-Courage-Love-and-Survival-by-Atka-Reid.pdf
    • http://loaminoo.linkpc.net/2091090093098091/One-Tattered-Angel-A-Touching-True-Story-of-the-Power-of-Love-by-Blaine-M-Yorgason.pdf
    • http://loaminoo.linkpc.net/5095091097095099/Taking-His-Heart-and-His-Throne-2-An-Untamed-Love-Story-by-Jaz-39-Akins.pdf
    • http://loaminoo.linkpc.net/3097099099095097/Art-amp-Love-An-Illustrated-Anthology-of-Love-Poetry-by-Kate-Farrell.pdf
    • http://loaminoo.linkpc.net/3098092096097095/A-Series-of-Catastrophes-and-Miracles-A-True-Story-of-Love-Science-and-Cancer-by-MaryElizabeth-Williams.pdf
    • http://loaminoo.linkpc.net/8092091091096098/The-Beauty-of-Wings-A-True-Story-of-Transformation-from-Near-Death-to-Unconditional-Love-by-Alexandra-Mika.pdf

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