Malicious PDF — malware analysis report

Static analysis result for SHA-256 c052eb3b235d6ef7…

MALICIOUS

PDF

16.0 KB Created: 2019-04-30 03:49:24 +01:00 Authoring application: mPDF 5.7
MD5: 08b1de567f2317deab9c786fa059d88d SHA-1: 266c2f8e598d4aee29962b3a8db94b103ab9a67e SHA-256: c052eb3b235d6ef749ab4f5796708b851ba009d353038ebc349b6687f46f2163
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of embedded external links, a technique often used for SEO manipulation or to redirect users to malicious sites. The ML classifier also flagged this PDF with high confidence. While the URLs themselves are currently marked as benign, the sheer volume and structure suggest a malicious intent to distribute or obscure malicious links. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9898

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/8097090095095092/Triumph-and-Tribulation-by-H-W-Tilman.pdf
    • http://loaminoo.linkpc.net/2092097097096/Common-Threads---10-Life-Stories-How-Women-Weave-Tribulation-into-Triumph-by-Michelle-Candland.pdf
    • http://loaminoo.linkpc.net/8097090095094098/Tilman-Riemenschneider-Master-Sculptor-Of-The-Late-Middle-Ages-by-Tilman-Riemenschneider.pdf
    • http://loaminoo.linkpc.net/3097096095093/Tribulation-Force-Left-Behind-2-by-Tim-LaHaye.pdf
    • http://loaminoo.linkpc.net/2092099090090097/Tribulation-Subjugation-4-by-James-Galloway.pdf
    • http://loaminoo.linkpc.net/8092095092090095/Admiral-s-Tribulation-Spineward-Sectors-3-by-Luke-Sky-Wachter.pdf
    • http://loaminoo.linkpc.net/1091094096092092095/The-Rapture-The-Tribulation-Reign-of-the-Antichrist-The-Apocalypse-Trilogy-Book-2-by-Kim-Orlowski.pdf
    • http://loaminoo.linkpc.net/8097090095094094/Pop-Art-by-Tilman-Osterwold.pdf
    • http://loaminoo.linkpc.net/8097090094092091/Tilman-Riemenschneider-by-Art-Stock.pdf
    • http://loaminoo.linkpc.net/8097090094099091/Nepal-Himalaya-by-H-W-Tilman.pdf
    • http://loaminoo.linkpc.net/8097090094099093/Beethoven-the-Pianist-by-Tilman-Skowroneck.pdf
    • http://loaminoo.linkpc.net/8097090093093096/Lenin-s-Brain-by-Tilman-Spengler.pdf
    • http://loaminoo.linkpc.net/9097096098098093/Gay-Hardcore-06-Schussbereite-Kerle-by-Tilman-Janus.pdf
    • http://loaminoo.linkpc.net/8097090095094093/Fourier-Transformation-for-Pedestrians-by-Tilman-Butz.pdf
    • http://loaminoo.linkpc.net/8099092099099095/Die-K-nige-von-K-ln-Historischer-Roman-by-Tilman-R-hrig.pdf
    • http://loaminoo.linkpc.net/9097097091090092/Klasse-Kerle-2-Sweet-Boys-5-by-Tilman-Janus.pdf
    • http://loaminoo.linkpc.net/8097090094098092/Southeast-Asian-Independent-Cinema-by-Tilman-Baumgartel.pdf
    • http://loaminoo.linkpc.net/8097090094098099/An-Introduction-to-the-Theory-of-Mechanism-Design-by-Tilman-Borgers.pdf
    • http://loaminoo.linkpc.net/8097090093093095/The-Last-Hero-Bill-Tilman-a-Biography-of-the-Explorer-by-Tim-Madge.pdf
    • http://loaminoo.linkpc.net/8097090094099094/Sharpshooter-The-Life-and-Times-of-Tilman-Manus-by-Keith-Pruitt-Ed-S.pdf

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