Malicious PDF — malware analysis report

Static analysis result for SHA-256 a8c2f1b0304bb0ad…

MALICIOUS

PDF

17.9 KB Created: 2019-04-30 02:44:15 +01:00 Authoring application: mPDF 5.7
MD5: ca0c238056380c5129262a026f36638c SHA-1: 250d56d47f807754d96bd8ad53ff1b59f9f6a933 SHA-256: a8c2f1b0304bb0ad445079e671a9b4aeeff2816b4f25a8d81499e887e6af172f
90 Risk Score

Malware Insights

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

The PDF was flagged by a machine learning classifier and contains a large number of embedded external links, indicative of a link farm or SEO poisoning attack. While no scripts were extracted, the PDF structure itself suggests an attempt to direct users to potentially malicious or deceptive content hosted on the 'loaminoo.linkpc.net' domain. The primary attack pattern involves leveraging a large number of links to obscure the true malicious intent.

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/7094092090095099/The-Island-of-Dread-in-the-Channel-Story-of-Georgi-Ivanovitch-Kondakov-by-Brian-Bonnard.pdf
    • http://loaminoo.linkpc.net/3097093098091097/Channel-Zero-Jennie-One-by-Brian-Wood.pdf
    • http://loaminoo.linkpc.net/9098093095096097/How-To-Promote-Your-YouTube-Channel-On-Facebook-Free-And-Paid-Strategies-For-Getting-Viewers-For-Your-Channel-Using-Facebook-by-Liudas-Butkus.pdf
    • http://loaminoo.linkpc.net/3097093096098098/A-Path-to-Coldness-of-Heart-Dread-Empire-8-Last-Chronicle-of-the-Dread-Empire-3-by-Glen-Cook.pdf
    • http://loaminoo.linkpc.net/4094092096090096/An-Ill-Fate-Marshalling-The-Last-Chronicle-of-the-Dread-Empire-2-Dread-Empire-7-by-Glen-Cook.pdf
    • http://loaminoo.linkpc.net/7093093098099099/Bonnard-at-Le-Cannet-by-Michael-Terrasse.pdf
    • http://loaminoo.linkpc.net/5096094098093/Our-Island-Story-by-H-E-Marshall.pdf
    • http://loaminoo.linkpc.net/7094092093098090/The-Russian-Revolution-by-Alexander-Ivanovitch-Petrunkevitch.pdf
    • http://loaminoo.linkpc.net/7093093098093090/Bonnard-Shimmering-Color-by-Antoine-Terrasse.pdf
    • http://loaminoo.linkpc.net/7094092091099093/Dura-Europos-And-Its-Art-by-Michael-Ivanovitch-Rostovzeff.pdf
    • http://loaminoo.linkpc.net/7094092092090091/Russia-s-Contribution-to-Science-by-Alexander-Ivanovitch-Petrunkevitch.pdf
    • http://loaminoo.linkpc.net/5090091099095092/A-Christmas-Story-by-Brian-Wildsmith.pdf
    • http://loaminoo.linkpc.net/2091090097090098/Natural-Novel-by-Georgi-Gospodinov.pdf
    • http://loaminoo.linkpc.net/5091093097095095/Rise-Again-The-Story-of-Cape-Breton-Island-by-Robert-J-Morgan.pdf
    • http://loaminoo.linkpc.net/1090090092092091098/Georgi-Voiteh-by-Jesse-Russell.pdf
    • http://loaminoo.linkpc.net/1090090092090091090/Anarkisme-dan-Sosialisme-by-Georgi-Plekhanov.pdf
    • http://loaminoo.linkpc.net/7094092093097098/Mrs-Harry-St-John-A-Realistic-Novel-of-Boston-Fashionable-Life-by-Roman-Ivanovitch-Zubof.pdf
    • http://loaminoo.linkpc.net/1092099099099090/Secrets-A-Story-of-Love-and-Betrayal-Mateguas-Island-0-5-by-Linda-Watkins.pdf
    • http://loaminoo.linkpc.net/1091092090098095094/The-Pearl-of-Orr-s-Island-A-Story-of-the-Coast-of-Maine-by-Harriet-Beecher-Stowe.pdf
    • http://loaminoo.linkpc.net/5096099093092099/Treasure-Island-A-Story-of-the-Spanish-Main-by-Robert-Louis-Stevenson.pdf
    • http://loaminoo.linkpc.net/7093093098099099

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