Malicious PDF — malware analysis report

Static analysis result for SHA-256 f32500832cc4f72b…

MALICIOUS

PDF

20.7 KB Created: 2019-04-30 02:19:22 +01:00 Authoring application: mPDF 5.7
MD5: 02abeb5d8d68b608513202f830f2965b SHA-1: 31b4c8f4162614d69cc73245dc5233c31a442373 SHA-256: f32500832cc4f72b7f5f09b1f70e361ffb47c6766a30421eb71fe224ba6d9072
90 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. The ML classifier also flagged this PDF as malicious with high confidence. While no scripts were extracted, the document body contains numerous URLs pointing to external PDF files hosted on loaminoo.linkpc.net. This suggests a link farm or redirection scheme, potentially used for SEO manipulation or to distribute further malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9904

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/1090099096097099095/Mude-a-Sua-Vida-Com-a-Auto-Hipnose-by-Miguel-Cocco.pdf
    • http://loaminoo.linkpc.net/1090099096099095099/A-Revolu-o-EMDR-Mude-Sua-Vida-Uma-Lembran-a-de-Cada-Vez-by-Tal-Croitoru.pdf
    • http://loaminoo.linkpc.net/7097093095090/Hist-ria-da-Vida-Privada-no-Brasil-V-1-Cotidiano-e-Vida-Privada-na-Am-rica-Portuguesa-by-Fernando-A-Novais.pdf
    • http://loaminoo.linkpc.net/7093095090094099/The-History-and-Adventures-of-the-Renowned-Don-Quixote-Translated-from-the-Spanish-of-Miguel-de-Cervantes-Saavedra-by-T-Smollet-M-D-the-Sixth-Edition-Corrected-in-Four-Volumes-Volume-4-of-4-by-Miguel-de-Cervantes-Saavedra.pdf
    • http://loaminoo.linkpc.net/7093095090096092/Complete-Works-of-Miguel-de-Cervantes-by-Miguel-de-Cervantes-Saavedra.pdf
    • http://loaminoo.linkpc.net/1090099096098097090/Der-Amerika-M-de-by-Ferdinand-K-rnberger.pdf
    • http://loaminoo.linkpc.net/1091097099090096092/Ich-bin-es-m-de-Schweine-zu-treiben-Bismarck-Anekdoten-by-Bernhard-Thieme.pdf
    • http://loaminoo.linkpc.net/1090099096098097094/MH-CET-Chemistry-Notes-and-MCQs-Maharashtra-Common-Entrance-Test-for-Engineering-and-Medical-by-Shubhada-Mude.pdf
    • http://loaminoo.linkpc.net/1096095092094095/The-Little-Auto-by-Guillaume-Apollinaire.pdf
    • http://loaminoo.linkpc.net/1090099096097098092/Crooked-Kingdom-Vingan-a-e-reden-o---Se-voc-n-o-pode-derrubar-seus-inimigos-mude-as-regras-do-jogo-by-Leigh-Bardugo.pdf
    • http://loaminoo.linkpc.net/1091096095090095098/The-Auto-Book-by-William-H-Crouse.pdf
    • http://loaminoo.linkpc.net/1090099091095093097/O-Auto-da-Barca-do-Inferno-HQ-by-Gil-Vicente.pdf
    • http://loaminoo.linkpc.net/1090099097091096099/Auto-Cad-The-Professional-Reference-by-Kurt-Hampe.pdf
    • http://loaminoo.linkpc.net/8090091095092090/Auto-da-fe-cronache-in-due-tempi-by-Eugenio-Montale.pdf
    • http://loaminoo.linkpc.net/7090093094095095/The-Speedwell-Boys-and-Their-Racing-Auto-by-Roy-Rockwood.pdf
    • http://loaminoo.linkpc.net/1090091090099092095/O-Grande-Livro-da-Auto-Atrapalha-o-by-Casmurro-Sobrinho.pdf
    • http://loaminoo.linkpc.net/1091092093098098095/Der-Tag-an-dem-ich-Papa-im-Auto-verga-Roman-by-Antonia-H-Jacob.pdf
    • http://loaminoo.linkpc.net/1091092093099090099/XXL-Leseprobe-Der-Tag-an-dem-ich-Papa-im-Auto-verga-Roman-by-Antonia-H-Jacob.pdf
    • http://loaminoo.linkpc.net/8097096096096091/Punching-Out-One-Year-in-a-Closing-Auto-Plant-by-Paul-Clemens.pdf
    • http://loaminoo.linkpc.net/1097098099094090/Jacked-The-Outlaw-Story-of-Grand-Theft-Auto-by-David-Kushner.pdf