Malicious PDF — malware analysis report

Static analysis result for SHA-256 50341b7e5324c742…

MALICIOUS

PDF

19.5 KB Created: 2019-05-01 06:13:09 +01:00 Authoring application: mPDF 5.7
MD5: c57614a184243c55ec9d3f85f7e0b274 SHA-1: 7355c9221b10341dce9e1e0d4bfd2e4af3517c2a SHA-256: 50341b7e5324c742f16609d6f92415808adace9c27c2f8b65efb0600465a3ca6
90 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF contains a large number of embedded links pointing to external PDF files hosted on the domain 'loaminoo.linkpc.net'. This is indicative of a link farm or a distribution mechanism for further malicious content. The ML classifier also flagged this PDF as malicious with high confidence. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9920

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/9096090094098097/The-Sick-House-The-Ulrich-Files-1-by-Ambrose-Ibsen.pdf
    • http://loaminoo.linkpc.net/9098095094092093/A-Doll-s-House-by-Henrik-Ibsen---Delphi-Classics-Illustrated-Delphi-Parts-Edition-Henrik-Ibsen-by-Henrik-Ibsen.pdf
    • http://loaminoo.linkpc.net/6090099093096096/The-Conqueror-Worm-Black-Exorcist-1-by-Ambrose-Ibsen.pdf
    • http://loaminoo.linkpc.net/4092096094094093/A-Doll-s-House-by-Henrik-Ibsen.pdf
    • http://loaminoo.linkpc.net/4099093096097093/A-Doll-s-House-and-Other-Plays-by-Henrik-Ibsen.pdf
    • http://loaminoo.linkpc.net/6096090099093092/A-Doll-s-House-A-Play-In-Three-Acts-1890-by-Henrik-Ibsen.pdf
    • http://loaminoo.linkpc.net/8090098090098098/A-Doll-s-House-Annotated-Student-and-Teacher-Edition-by-Henrik-Ibsen.pdf
    • http://loaminoo.linkpc.net/9091091091099/Plays-2-A-Doll-s-House-An-Enemy-of-the-People-Hedda-Gabler-by-Henrik-Ibsen.pdf
    • http://loaminoo.linkpc.net/7096096091096/Ibsen-The-Complete-Major-Prose-Plays-by-Henrik-Ibsen.pdf
    • http://loaminoo.linkpc.net/6096090099093099/Hedda-Gabler-1890-Plays-Of-Henrik-Ibsen-by-Henrik-Ibsen.pdf
    • http://loaminoo.linkpc.net/5090096090092094/Sick-and-Tired-of-Being-Sick-and-Tired-Black-Women-s-Health-Activism-in-America-1890-1950-by-Susan-L-Smith.pdf
    • http://loaminoo.linkpc.net/1091092092091092094/Ernst-Ulrich-Von-Weizsacker-A-Pioneer-on-Environmental-Climate-and-Energy-Policies-by-Ernst-Ulrich-Weizsacker.pdf
    • http://loaminoo.linkpc.net/9096090096093099/Ulrich-Haarburste-s-Novel-of-Roy-Orbison-in-Clingfilm-by-Ulrich-Haarburste.pdf
    • http://loaminoo.linkpc.net/1090094095092096094/The-X-Files-Cold-Cases-X-Files-1-by-Joe-Harris.pdf
    • http://loaminoo.linkpc.net/1092096096093096/I-Am-Number-Four-The-Lost-Files-Rebel-Allies-Lorien-Legacies-The-Lost-Files-10-12-by-Pittacus-Lore.pdf
    • http://loaminoo.linkpc.net/1090094097091099/Little-House-in-the-Big-Woods-Farmer-Boy-Little-House-on-the-Prairie-On-the-Banks-of-Plum-Creek-By-the-Shores-of-Silver-Lake-Little-House-1-5-by-Laura-Ingalls-Wilder.pdf
    • http://loaminoo.linkpc.net/1091093095096092090/Hedda-Gabler-by-Henrik-Ibsen.pdf
    • http://loaminoo.linkpc.net/4093094094099/An-Enemy-of-the-People-by-Henrik-Ibsen.pdf
    • http://loaminoo.linkpc.net/5096090093094/The-Master-Builder-by-Henrik-Ibsen.pdf
    • http://loaminoo.linkpc.net/4094091091091/Side-Jobs-Stories-from-the-Dresden-Files-The-Dresden-Files-12-5-by-Jim-Butcher.pdf

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