Malicious PDF — malware analysis report

Static analysis result for SHA-256 09491b71b815c1f8…

MALICIOUS

PDF

16.6 KB Created: 2019-04-30 08:54:59 +01:00 Authoring application: mPDF 5.7
MD5: 155d5827163d646da593985bcb60502f SHA-1: 1d0f477f9282b8c13531255abbc60970128162a7 SHA-256: 09491b71b815c1f8767323309a3dd2c1f2e347b4c061240c4985d2b220c70634
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs, identified as a link farm. While the document body is heavily obfuscated, the presence of numerous external links suggests an attempt to manipulate search engine results or redirect users to potentially malicious content. The ML classifier also flagged this PDF as malicious, increasing the confidence in its suspicious nature.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9898

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/4092094092092091/Alpha-Series-Alpha-Malik-by-Midika-Crane.pdf
    • http://loaminoo.linkpc.net/1091091098096090091/Ladylust-4-Alpha-Males-The-Big-Bundle-of-Hetero-Erotica-About-Macho-Alpha-Studs-Alpha-Male-Hetero-Big-Bundles-Book-6-by-B-R-Eastman.pdf
    • http://loaminoo.linkpc.net/2090097098095095/Charming-The-Alpha-The-Crane-Curse-1-by-Liliana-Rhodes.pdf
    • http://loaminoo.linkpc.net/1094097091092092/Billionaire-Romance-Complete-Series-Alpha-Male-Romances-Suspenseful-Alpha-Male-Billionaire-Bad-Boy-Romance-Billionaire-Series-by-J-L-Ryan.pdf
    • http://loaminoo.linkpc.net/4099091097091095/Alpha-Wolf-Alpha-Force-2-by-Linda-O-Johnston.pdf
    • http://loaminoo.linkpc.net/9096092098091092/Elizabeth-Alpha-of-Dragons-RH-Fated-Alpha-4-by-Ava-Mason.pdf
    • http://loaminoo.linkpc.net/1091097091090098/Avoiding-Alpha-Alpha-Girl-2-by-Aileen-Erin.pdf
    • http://loaminoo.linkpc.net/3098093090098099/The-Alpha-s-Hunger-The-Alpha-s-Doms-1-by-Renee-Rose.pdf
    • http://loaminoo.linkpc.net/1091098098093099095/Alpha-Enticing-Fallen-Alpha-3-by-Rebecca-Royce.pdf
    • http://loaminoo.linkpc.net/4096099099091099/Christmas-Alpha-Alpha-1-by-Carole-Mortimer.pdf
    • http://loaminoo.linkpc.net/3097091098091096/Being-Alpha-Alpha-Girl-7-by-Aileen-Erin.pdf
    • http://loaminoo.linkpc.net/4095092091091092/The-Alpha-s-Toy-The-Alpha-Shifter-Collection-1-by-Sam-Crescent.pdf
    • http://loaminoo.linkpc.net/3098096094090099/Alpha-Alpha-1-by-Jasinda-Wilder.pdf
    • http://loaminoo.linkpc.net/2090097098095097/Curse-of-the-Alpha-The-Complete-Bundle-Curse-of-the-Alpha-serial-1-6-by-Tasha-Black.pdf
    • http://loaminoo.linkpc.net/4096093095091092/Thrust-The-Alpha-Escort-Series-1-by-Sybil-Bartel.pdf
    • http://loaminoo.linkpc.net/1099090092091096/Rough-The-Alpha-Escort-Series-2-by-Sybil-Bartel.pdf
    • http://loaminoo.linkpc.net/2094099091098098/Ruined-Loving-An-Alpha-Male-Series-1-by-S-K-Lessly.pdf
    • http://loaminoo.linkpc.net/2099094091097096/A-is-for-Alpha-Male-A-is-for-Alpha-Male-1-by-Laurel-Ulen-Curtis.pdf
    • http://loaminoo.linkpc.net/4098097099097091/True-Alpha-Complete-Box-Set-True-Alpha-1-6-by-Alisa-Woods.pdf
    • http://loaminoo.linkpc.net/1097097096097098/Punished-by-the-Alpha-Poutine-Alpha-Poutine-2-by-Twisty-McCox.pdf

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