Malicious PDF — malware analysis report

Static analysis result for SHA-256 34ce5dd3c1dd7623…

MALICIOUS

PDF

13.4 KB Created: 2019-05-01 18:09:12 +01:00 Authoring application: mPDF 5.7
MD5: 576655aca2d893459585ce5fa60fc031 SHA-1: 43246f065ff6d15d59912403704b37ba9ce8a88a SHA-256: 34ce5dd3c1dd7623d701a67630c0c55e9e916ed4d242e90220c8e8fca566c26e
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a large number of embedded URLs, identified as a link farm. While the URLs themselves are marked as benign, the sheer volume and the heuristic firing suggest a malicious intent, possibly for SEO manipulation or to distribute further malicious content. No scripts were extracted, and the document body was heavily obfuscated, limiting further analysis of the specific 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.net/2094094094090090/Sophie-s-Snail-Sophie-1-by-Dick-King-Smith.pdf
    • http://loaminoo.linkpc.net/5098096098093097/Nothing-Stopped-Sophie-The-Story-of-Unshakable-Mathematician-Sophie-Germain-by-Cheryl-Bardoe.pdf
    • http://loaminoo.linkpc.net/6091099092091099/Sophie-s-World-Sophie-1-by-Nancy-N-Rue.pdf
    • http://loaminoo.linkpc.net/6091099092092092/Sophie-s-Secret-Sophie-2-by-Nancy-N-Rue.pdf
    • http://loaminoo.linkpc.net/3092098093097097/The-Sheep-Pig-by-Dick-King-Smith.pdf
    • http://loaminoo.linkpc.net/1091094095093092099/Freddie-der-Held-by-Dick-King-Smith.pdf
    • http://loaminoo.linkpc.net/3092098094096099/More-Animal-Stories-by-Dick-King-Smith.pdf
    • http://loaminoo.linkpc.net/3092098095091090/Animal-Stories-by-Dick-King-Smith.pdf
    • http://loaminoo.linkpc.net/6095091096093098/Three-Terrible-Trins-by-Dick-King-Smith.pdf
    • http://loaminoo.linkpc.net/1090097096093091090/Charlie-Muffin-s-Miracle-Mouse-by-Dick-King-Smith.pdf
    • http://loaminoo.linkpc.net/3091095094093092/I-Love-Guinea-Pigs-Read-and-Wonder-Books-by-Dick-King-Smith.pdf
    • http://loaminoo.linkpc.net/2099098097097090/Away-From-Me-by-Sophie-Oak.pdf
    • http://loaminoo.linkpc.net/3090092096099093/One-Night-With-You-by-Sophie-Jordan.pdf
    • http://loaminoo.linkpc.net/3093095091097/I-ve-Got-Your-Number-by-Sophie-Kinsella.pdf
    • http://loaminoo.linkpc.net/5095097091097092/You-Can-Trust-Me-by-Sophie-McKenzie.pdf
    • http://loaminoo.linkpc.net/3096096094098097/The-Royal-Her-by-Sophie-Stern.pdf
    • http://loaminoo.linkpc.net/7096091090094095/DIMITRI-by-Sophie-Auger.pdf
    • http://loaminoo.linkpc.net/9095090097098099/Verkauft-by-Sophie-Stern.pdf
    • http://loaminoo.linkpc.net/9092095095099090/Spy-Island-by-Sophie-Schiller.pdf
    • http://loaminoo.linkpc.net/2099092098099/Aftertime-by-Sophie-Littlefield.pdf
    • http://loaminoo.linkpc.net/3091095094093092/I-Love-Guinea-Pigs-R

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