Malicious PDF — malware analysis report

Static analysis result for SHA-256 4ea3a02c8e75552e…

MALICIOUS

PDF

12.5 KB Created: 2019-05-02 01:17:44 +01:00 Authoring application: mPDF 5.7
MD5: 3d547c1c349d34031f8e0a83e685e5c2 SHA-1: a5144cad9b9736d4422af100c33e1984ddc1d5f6 SHA-256: 4ea3a02c8e75552e1b3d0227f08f38d13087a8e99b2983648d17bb8c7145f9fe
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF file contains a link farm with numerous external PDF links, primarily pointing to book titles. This technique is often used to drive traffic to malicious sites or to host further malicious content. While the specific URLs are currently marked as benign, the sheer volume and structure suggest a malicious intent to distribute or redirect users. No scripts were extracted, limiting further analysis of the payload.

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
    • http://loaminoo.linkpc.net/8095097093092090/The-Pale-The-Pale-Series-by-A-D-Wittman.pdf
    • http://loaminoo.linkpc.net/8095097091095093/Pale-Lover-Pale-3-by-Mac-Flynn.pdf
    • http://loaminoo.linkpc.net/8095097090094098/Pale-Companion-Pale-2-by-Mac-Flynn.pdf
    • http://loaminoo.linkpc.net/1092096092097096/Pale-Bricks-by-K-L-Stein.pdf
    • http://loaminoo.linkpc.net/1090091096097092092/Insomnia-by-Pale-Horse.pdf
    • http://loaminoo.linkpc.net/1099091097090/Beyond-the-Pale-by-Elana-Dykewomon.pdf
    • http://loaminoo.linkpc.net/1092095098096096/The-Pale-by-Clare-Rhoden.pdf
    • http://loaminoo.linkpc.net/2093097092099098/Pale-Highway-by-Nicholas-Conley.pdf
    • http://loaminoo.linkpc.net/1090094095096/Pale-Demon-The-Hollows-9-by-Kim-Harrison.pdf
    • http://loaminoo.linkpc.net/8095097092092091/Pale-Blue-Scratch-by-Jay-DiNitto.pdf
    • http://loaminoo.linkpc.net/8095097092090099/Pale-Saint-by-Eric-Van-Lustbader.pdf
    • http://loaminoo.linkpc.net/8095097090094095/Beyond-the-Pale-Motel-by-Francesca-Lia-Block.pdf
    • http://loaminoo.linkpc.net/7090096090099/Pale-Fire-by-Vladimir-Nabokov.pdf
    • http://loaminoo.linkpc.net/3090091094098099/A-PALE-HORSE-by-Adam-Wolf.pdf
    • http://loaminoo.linkpc.net/1096099094090/The-Pale-Blue-Eye-by-Louis-Bayard.pdf
    • http://loaminoo.linkpc.net/5092096091098095/Pale-Demon-The-Hollows-9-by-Kim-Harrison.pdf
    • http://loaminoo.linkpc.net/3095098099094097/Pale-Fire-by-Vladimir-Nabokov.pdf
    • http://loaminoo.linkpc.net/5099095093098/Pale-Moon-Rider-by-Marsha-Canham.pdf
    • http://loaminoo.linkpc.net/8095097093091094/Black-Ice-Burning-Pale-Queen-3-by-A-R-Kahler.pdf
    • http://loaminoo.linkpc.net/8095097091094098/After-the-End-of-Art-Contemporary-Art-and-the-Pale-of-History-by-Arthur-C-Danto.pdf