Malicious PDF — malware analysis report

Static analysis result for SHA-256 1240728b394c7a6d…

MALICIOUS

PDF

17.2 KB Created: 2019-04-30 04:40:35 +01:00 Authoring application: mPDF 5.7
MD5: 884e4a6cbb8171269ff654a0b36e86cc SHA-1: f27164b4afb13b25f187ff607d4bb96205f8265a SHA-256: 1240728b394c7a6df1548bf2eaf3d76c203ac7f7063508d188610fd39c4aa27f
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs, forming a link farm. This is indicative of SEO manipulation or a distribution mechanism for further malicious content. While no scripts were explicitly extracted, the PDF structure and the heuristic firings suggest an attempt to redirect users to potentially harmful external resources.

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/6094097098099094/Boldt-Castle-In-Search-of-the-Lost-Story-by-Paul-Malo.pdf
    • http://loaminoo.linkpc.net/6094097099096094/The-Story-Of-the-Greatest-Person-that-Ever-Lived-by-Mars-Malo.pdf
    • http://loaminoo.linkpc.net/2092093092096090/Moby-Duck-The-True-Story-of-28-800-Bath-Toys-Lost-at-Sea-and-of-the-Beachcombers-Oceanographers-Environmentalists-and-Fools-Including-the-Author-Who-Went-in-Search-of-Them-by-Donovan-Hohn.pdf
    • http://loaminoo.linkpc.net/3091092090091097/The-Lost-Castle-The-Adventures-of-RJ-the-Mouse-by-Robby-Silk.pdf
    • http://loaminoo.linkpc.net/1098090099094094/The-Lost-Castle-Treasure-Sir-Kaye-the-Boy-Knight-2-by-Don-M-Winn.pdf
    • http://loaminoo.linkpc.net/9098098094091097/In-Search-of-Lost-Time-by-Marcel-Proust.pdf
    • http://loaminoo.linkpc.net/3095090096098099/In-Search-of-Lost-Time-v-5-The-Captive-by-Marcel-Proust.pdf
    • http://loaminoo.linkpc.net/6090095099097096/Swann-s-Way-In-Search-of-Lost-Time-1-by-Marcel-Proust.pdf
    • http://loaminoo.linkpc.net/4096095090095097/Swann-s-Way-In-Search-of-Lost-Time-1-by-Marcel-Proust.pdf
    • http://loaminoo.linkpc.net/1090096090098094/Search-for-the-Lost-Kingdom-Eldohr-Adventures-1-by-T-L-Wood.pdf
    • http://loaminoo.linkpc.net/4090093091096093/Cluny-In-Search-of-God-s-Lost-Empire-by-Edwin-Mullins.pdf
    • http://loaminoo.linkpc.net/3095090096097097/The-Guermantes-Way-In-Search-of-Lost-Time-3-by-Marcel-Proust.pdf
    • http://loaminoo.linkpc.net/6094097098094091/Man-no-malo-by-I-K-Vijaliwala.pdf
    • http://loaminoo.linkpc.net/5091096091094097/In-Search-of-Lost-Time-Swann-s-Way-A-Graphic-Novel-by-St-phane-Heuet.pdf
    • http://loaminoo.linkpc.net/3099095098097099/The-Captive-amp-The-Fugitive-In-Search-of-Lost-Time-5-6-by-Marcel-Proust.pdf
    • http://loaminoo.linkpc.net/3094099096099092/Within-a-Budding-Grove-In-Search-of-Lost-Time-2-by-Marcel-Proust.pdf
    • http://loaminoo.linkpc.net/9098093097096/The-Continuum-Concept-In-Search-of-Happiness-Lost-by-Jean-Liedloff.pdf
    • http://loaminoo.linkpc.net/5093094097096/American-Buffalo-In-Search-of-a-Lost-Icon-by-Steven-Rinella.pdf
    • http://loaminoo.linkpc.net/8092096090094097/The-Guermantes-Way-In-Search-of-Lost-Time-Volume-3-by-Marcel-Proust.pdf
    • http://loaminoo.linkpc.net/6096098099096093/In-Search-of-Lost-Time-New-Trans-Vol-1-Swanns-Way-by-Marcel-Proust.pdf

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