Malicious PDF — malware analysis report

Static analysis result for SHA-256 9f10de2651b03136…

MALICIOUS

PDF

15.5 KB Created: 2019-04-30 02:26:07 +01:00 Authoring application: mPDF 5.7
MD5: 4f86a6c9616a8d33d2b62e01cfd4b91d SHA-1: 7a1291892908eab56e824b80c96c0233b82df795 SHA-256: 9f10de2651b03136d01a77ffd37857610ae8d6d310c0228a5e852fda5bd7973e
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a link farm with 21 external links, predominantly to PDF files hosted on loaminoo.linkpc.net. This technique is often used to artificially inflate search engine rankings or to distribute malicious content. No scripts were extracted, and the document body was heavily obfuscated, limiting further analysis of the specific lure. The primary IOCs are the URLs pointing to the external PDF files.

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/2098091091097092/Dixie-Diva-Blues-by-Virginia-Brown.pdf
    • http://loaminoo.linkpc.net/7096097091097099/Great-Escapes-An-Avon-Summer-eBook-Sampler-by-Dixie-Lee-Brown.pdf
    • http://loaminoo.linkpc.net/2098096093094099/Rescued-Rescued-Hearts-1-by-Felice-Stevens.pdf
    • http://loaminoo.linkpc.net/4093096093095092/Park-Ranger-Sequel-More-True-Stories-From-a-Ranger-s-Career-in-America-s-National-Parks-by-Nancy-Eileen-Muleady-Mecham.pdf
    • http://loaminoo.linkpc.net/1091090098097090098/Ranger-McIntyre-Unmentionable-Murders-Ranger-McIntyre-1-by-James-C-Work.pdf
    • http://loaminoo.linkpc.net/1093094099096096/Ranger-s-Apprentice-7-volume-Set-Ranger-s-Apprentice-1-7-by-John-Flanagan.pdf
    • http://loaminoo.linkpc.net/4094092090090098/The-Lone-Ranger-Vol-1-The-Lone-Ranger-by-Brett-Matthews.pdf
    • http://loaminoo.linkpc.net/7095095097090/Rescued-by-John-Bevere.pdf
    • http://loaminoo.linkpc.net/5090090095092095/Rescued-From-the-River-by-Stephy-Smith.pdf
    • http://loaminoo.linkpc.net/4097098096090090/Rescued-Whyborne-amp-Griffin-0-5-by-Jordan-L-Hawk.pdf
    • http://loaminoo.linkpc.net/6092091098093098/Kampuchea-The-Revolution-Rescued-by-Irwin-Silber.pdf
    • http://loaminoo.linkpc.net/4099091094099095/Rescued-by-the-Firefighter-by-Gail-Gaymer-Martin.pdf
    • http://loaminoo.linkpc.net/2093093099092097/Rescued-by-the-Farmer-Oaks-Crossing-2-by-Mia-Ross.pdf
    • http://loaminoo.linkpc.net/2090092096096093/Rescued-McKenzie-Ridge-1-by-Stephanie-St-Klaire.pdf
    • http://loaminoo.linkpc.net/4097090096096096/Rescued-From-The-Dark-by-Lynda-Kaye-Frazier.pdf
    • http://loaminoo.linkpc.net/3096096093091092/Rescued-by-a-Highlander-Clan-Grant-1-by-Keira-Montclair.pdf
    • http://loaminoo.linkpc.net/3094099091094093/The-Devil-Is-a-Marquess-Rescued-from-Ruin-4-by-Elisa-Braden.pdf
    • http://loaminoo.linkpc.net/8093098094090095/Rescued-by-Qaiyaan-Galactic-Pirate-Brides-1-by-Tamsin-Ley.pdf
    • http://loaminoo.linkpc.net/2091092096091093/Once-Upon-a-Time-When-the-Princess-Rescued-the-Prince-by-Rosemary-Lake.pdf
    • http://loaminoo.linkpc.net/5090098098091099/Kakapo-Rescued-From-The-Brink-Of-Extinction-by-Alison-Ballance.pdf
    • http://loaminoo.linkpc.net/4097098

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