Malicious PDF — malware analysis report

Static analysis result for SHA-256 810223943020f507…

MALICIOUS

PDF

17.4 KB Created: 2019-04-30 06:16:57 +01:00 Authoring application: mPDF 5.7
MD5: 6d4c9fe332de7a2449092b4983625b0d SHA-1: a909fc78e14b36cf3e317a664434fc064c1ff8af SHA-256: 810223943020f50768922c60f645b34481b9520fa6c81b1ae9df99aca691ab82
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, which is a common tactic for SEO manipulation or redirecting users to malicious sites. While no scripts were explicitly extracted, the PDF structure and the sheer volume of links suggest an attempt to lure users to external resources. The ML classifier also flagged this PDF as malicious with high confidence.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9925

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/6098094099098095/Meurtre-Heron-s-Cove-T1---S-rie-Emma-Sharpe-et-Colin-Donovan-Emma-Sharpe-amp-Colin-Donovan-by-Carla-Neggers.pdf
    • http://loaminoo.linkpc.net/2097094092094096/Saint-s-Gate-Sharpe-amp-Donovan-1-by-Carla-Neggers.pdf
    • http://loaminoo.linkpc.net/2095096090091/Harbor-Island-Sharpe-amp-Donovan-4-by-Carla-Neggers.pdf
    • http://loaminoo.linkpc.net/7099097098097094/Thief-s-Mark-Sharpe-amp-Donovan-7-by-Carla-Neggers.pdf
    • http://loaminoo.linkpc.net/1090091099094097096/Sharpe-s-Skirmish-Richard-Sharpe-and-the-Defence-of-the-Tormes-August-1812-Sharpe-14-5-by-Bernard-Cornwell.pdf
    • http://loaminoo.linkpc.net/1095091092092099/Sharpe-s-Rifles-Sharpe-s-Eagle-by-Bernard-Cornwell.pdf
    • http://loaminoo.linkpc.net/1094099090098094/Sharpe-s-Triumph-Sharpe-2-by-Bernard-Cornwell.pdf
    • http://loaminoo.linkpc.net/1094099091096092/Sharpe-s-Revenge-Sharpe-19-by-Bernard-Cornwell.pdf
    • http://loaminoo.linkpc.net/1094099095090093/Sharpe-s-Devil-Sharpe-21-by-Bernard-Cornwell.pdf
    • http://loaminoo.linkpc.net/3091094093098096/Sharpe-s-Rifles-Sharpe-6-by-Bernard-Cornwell.pdf
    • http://loaminoo.linkpc.net/1094090098095098/Sharpe-s-Fury-Sharpe-11-by-Bernard-Cornwell.pdf
    • http://loaminoo.linkpc.net/1094099093095095/Sharpe-s-Prey-Sharpe-5-by-Bernard-Cornwell.pdf
    • http://loaminoo.linkpc.net/1094099093099096/Sharpe-s-Battle-Sharpe-12-by-Bernard-Cornwell.pdf
    • http://loaminoo.linkpc.net/2099095092091093/Donovan-s-Angel-Donovan-s-of-the-Delta-1-by-Peggy-Webb.pdf
    • http://loaminoo.linkpc.net/2097093092094092/Footprints-in-the-Sand-A-Piper-Donovan-Mystery-Piper-Donovan-Wedding-Cake-Mysteries-Book-3-by-Mary-Jane-Clark.pdf
    • http://loaminoo.linkpc.net/9090095091096094/Murder-Most-Careless-Witches-of-Crystal-Cove-16-by-Emma-Watts.pdf
    • http://loaminoo.linkpc.net/4099090098093090/Emma-s-Secret-Emma-Harte-Saga-4-by-Barbara-Taylor-Bradford.pdf
    • http://loaminoo.linkpc.net/5093094097094091/Colin-and-Martin-s-First-Christmas-Colin-and-Martin-1-by-Drew-Hunt.pdf
    • http://loaminoo.linkpc.net/5093094099090096/Dreaming-to-Some-Purpose-The-Autobiography-of-Colin-Wilson-by-Colin-Wilson.pdf
    • http://loaminoo.linkpc.net/2091097093098092/All-in-a-Name-by-Carla-Neggers.pdf

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