Malicious PDF — malware analysis report

Static analysis result for SHA-256 84eac700d494a764…

MALICIOUS

PDF

13.4 KB Created: 2019-04-30 09:58:36 +01:00 Authoring application: mPDF 5.7
MD5: 4dab26f71c6f6c778ac87e78dda3c53d SHA-1: 31eb887414dd40d08f042dbd1de22c9f6c79a2c6 SHA-256: 84eac700d494a764013049596ebc5dc580c12c98cac7d590bc54e0b665b43095
60 Risk Score

Malware Insights

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

The PDF document contains a heuristic firing for a link farm, with 20 external PDF links embedded. The primary host for these links is loaminoo.linkpc.net. While the URLs themselves are marked as benign, the sheer volume and structure suggest a malicious intent, possibly for SEO manipulation or to distribute further malicious content. No scripts were extracted from this sample, limiting the ability to determine a more specific attack pattern or family.

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/5094096096092099/Koenig-s-Wonder-by-Linda-Kuhlmann.pdf
    • http://loaminoo.linkpc.net/5094096098091096/Walter-Koenig-s-Raver-by-Walter-Koenig.pdf
    • http://loaminoo.linkpc.net/5094096095095092/Walter-Koenig-s-Things-to-Come-by-Walter-Koenig.pdf
    • http://loaminoo.linkpc.net/9090092091093099/The-Dread-Goddess-Book-of-Icons---Volume-Two-by-Jillian-Kuhlmann.pdf
    • http://loaminoo.linkpc.net/9090092091094093/Rock-Then-Roll-The-Secrets-Of-Culture-Driven-Leadership-by-Arkadi-Kuhlmann.pdf
    • http://loaminoo.linkpc.net/9090092091094097/Gender-Studies-in-Architecture-Space-Power-and-Difference-by-D-rte-Kuhlmann.pdf
    • http://loaminoo.linkpc.net/1095099097094090/With-Just-One-Suitcase-by-Cheryl-Koenig.pdf
    • http://loaminoo.linkpc.net/5094096097093094/Rockabye-by-Laird-Koenig.pdf
    • http://loaminoo.linkpc.net/5094096095095091/Complicated-Secrets-and-Lies-2-by-M-M-Koenig.pdf
    • http://loaminoo.linkpc.net/5094096095094099/Concealed-Secrets-and-Lies-3-by-M-M-Koenig.pdf
    • http://loaminoo.linkpc.net/3095092092095095/Rendezvous-in-the-Himalaya-by-Angela-Koenig.pdf
    • http://loaminoo.linkpc.net/5094096097092095/Brides-of-Blood-by-Joseph-Koenig.pdf
    • http://loaminoo.linkpc.net/1090092099095096/Major-Wager-by-Colin-Koenig.pdf
    • http://loaminoo.linkpc.net/5094096095094098/Pierre-Koenig-by-James-Steele.pdf
    • http://loaminoo.linkpc.net/4095094097097093/Conflicted-Secrets-and-Lies-1-by-M-M-Koenig.pdf
    • http://loaminoo.linkpc.net/7095099099094092/Linda-s-Soup-Diet-Secrets-Reach-Your-Target-Weight-Faster-by-Linda-Lazarides.pdf
    • http://loaminoo.linkpc.net/8099095093093/Rendezvous-in-the-Himalaya-Refractions-2-by-Angela-Koenig.pdf
    • http://loaminoo.linkpc.net/1090098099095094098/Der-heilige-Palast-by-Alma-Johanna-Koenig.pdf
    • http://loaminoo.linkpc.net/5094096095094095/Mouse-Tales-A-Behind-the-Ears-Look-at-Disneyland-by-David-Koenig.pdf
    • http://loaminoo.linkpc.net/6098097091091095/Cryptocoins-Investieren-in-digitale-W-hrungen-by-Aaron-Koenig.pdf
    • http://loaminoo.linkpc.net/5094096097092095/Brides-of-Blood-by-Joseph-Koe

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