Malicious PDF — malware analysis report

Static analysis result for SHA-256 8bb5bd9ad056600b…

MALICIOUS

PDF

19.8 KB Created: 2019-05-04 13:33:37 +01:00 Authoring application: mPDF 5.7
MD5: 8bb5562cf453edf480851489b8545203 SHA-1: c1ddee6e65e2c3dfef54cf9935c1c67ca2b572ec SHA-256: 8bb5bd9ad056600b5b7ac9f3dd1ef4653f82f2c37556e5c3900d71f4344f6656
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of embedded links, identified by the PDF_SEO_LINK_FARM heuristic. While the document body is heavily corrupted, the presence of numerous links suggests an attempt to manipulate search engine results or direct users to external, potentially malicious, resources. The URLs themselves appear to be benign, but the pattern of mass linking is suspicious.

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/6098096092098/Nausica-of-the-Valley-of-Wind-Vol-1-by-Hayao-Miyazaki.pdf
    • http://loaminoo.linkpc.net/2091092092092097/Nausicaa-of-the-Valley-of-Wind-by-Hayao-Miyazaki.pdf
    • http://loaminoo.linkpc.net/8096094092095/Nausica-of-the-Valley-of-the-Wind-Vol-2-Nausica-of-the-Valley-of-the-Wind-2-by-Hayao-Miyazaki.pdf
    • http://loaminoo.linkpc.net/8093099095091/Nausica-of-the-Valley-of-the-Wind-Vol-4-Nausica-of-the-Valley-of-the-Wind-4-by-Hayao-Miyazaki.pdf
    • http://loaminoo.linkpc.net/8092097097099/Nausica-of-the-Valley-of-the-Wind-Vol-6-Nausica-of-the-Valley-of-the-Wind-6-by-Hayao-Miyazaki.pdf
    • http://loaminoo.linkpc.net/4094096091093/The-Wind-on-Fire-Trilogy-The-Wind-Singer-Slaves-of-the-Mastery-Firesong-by-William-Nicholson.pdf
    • http://loaminoo.linkpc.net/1092095096096098/The-Wind-Singer-Wind-on-Fire-trilogy-1-by-William-Nicholson.pdf
    • http://loaminoo.linkpc.net/2095095097090090/Valley-Thunder-The-Battle-of-New-Market-and-the-Opening-of-the-Shenandoah-Valley-Campaign-May-1864-by-Charles-R-Knight.pdf
    • http://loaminoo.linkpc.net/4090094094090097/My-Neighbor-Totoro-2-by-Hayao-Miyazaki.pdf
    • http://loaminoo.linkpc.net/4091099092090095/-Shuna-no-Tabi-by-Hayao-Miyazaki.pdf
    • http://loaminoo.linkpc.net/4094093099096092/Starting-Point-1979-1996-by-Hayao-Miyazaki.pdf
    • http://loaminoo.linkpc.net/8093095096099099/Kiki-s-Delivery-Service-Volume-2-by-Hayao-Miyazaki.pdf
    • http://loaminoo.linkpc.net/8093095097092091/Kiki-s-Delivery-Service-Volume-3-by-Hayao-Miyazaki.pdf
    • http://loaminoo.linkpc.net/8093095097092093/Kiki-s-Delivery-Service-Volume-4-by-Hayao-Miyazaki.pdf
    • http://loaminoo.linkpc.net/8093096094099092/Hayao-Miyazaki-Cartographie-d-un-univers-by-Rapha-l-Colson.pdf
    • http://loaminoo.linkpc.net/7097095091097/Hayao-Miyazaki-Master-of-Japanese-Animation-by-Helen-McCarthy.pdf
    • http://loaminoo.linkpc.net/2090091094090095/The-Fowlers-of-Sweet-Valley-Sweet-Valley-High-Magna-Editions-11-by-Francine-Pascal.pdf
    • http://loaminoo.linkpc.net/3098091094092099/Christmas-in-Snow-Valley-Snow-Valley-Romance-Anthologies-1-by-Cindy-Roland-Anderson.pdf
    • http://loaminoo.linkpc.net/2092095092091093/Sleigh-Bells-in-Valentine-Valley-Valentine-Valley-5-by-Emma-Cane.pdf
    • http://loaminoo.linkpc.net/4097096092092096/Crying-Wind-Beaten-Deserted-and-Afraid-of-Both-Death-and-Life-a-Young-Indian-Girl-Finds-Life-by-Crying-Wind.pdf
    • http://loaminoo.linkpc.net/8092097097

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