Malicious PDF — malware analysis report

Static analysis result for SHA-256 80768a28cb771218…

MALICIOUS

PDF

17.0 KB Created: 2019-04-30 03:37:31 +01:00 Authoring application: mPDF 5.7
MD5: c5c826f88241499c1729b8f1c417c176 SHA-1: 311420133568f184ea30ddb3be0540c8bbfecec2 SHA-256: 80768a28cb7712188fa256b6d0584606164a4d16bba0200cdcd2a1f12a083fd0
90 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links to external PDF files hosted on the domain loaminoo.linkpc.net. This is indicative of a link farm or SEO manipulation tactic, which can be used to distribute malicious content or improve the ranking of malicious sites. The ML classifier also flagged this PDF with high confidence. No scripts were extracted from this sample.

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/7097092090091094/Sophie-Pitt-Turnbull-Discovers-America-by-Dyan-Sheldon.pdf
    • http://loaminoo.linkpc.net/6092095099091/You-Can-Never-Go-Home-Again-by-Dyan-Sheldon.pdf
    • http://loaminoo.linkpc.net/1091096098091094/My-Worst-Best-Friend-by-Dyan-Sheldon.pdf
    • http://loaminoo.linkpc.net/6090092092097/Save-the-Last-Dance-for-Me-by-Dyan-Sheldon.pdf
    • http://loaminoo.linkpc.net/4098091097099090/Confessions-of-a-Hollywood-Star-Confessions-of-a-Teenage-Drama-Queen-3-by-Dyan-Sheldon.pdf
    • http://loaminoo.linkpc.net/7098091095099099/Pengakuan-Si-Ratu-Drama-Confession-of-a-Teenage-Drama-Queen---by-Dyan-Sheldon.pdf
    • http://loaminoo.linkpc.net/4095097093095/Snapshot-America-Discovers-the-Camera-by-Kenneth-P-Czech.pdf
    • http://loaminoo.linkpc.net/8092094099094092/America-s-First-Cuisines-by-Sophie-D-Coe.pdf
    • http://loaminoo.linkpc.net/1091096095092092094/Die-Troja-Mission-Ein-Dirk-Pitt-Roman-Reihenfolge-der-Dirk-Pitt-Abenteuer-17-by-Clive-Cussler.pdf
    • http://loaminoo.linkpc.net/1091096095092098093/Das-Alexandria-Komplott-Ein-Dirk-Pitt-Roman-Reihenfolge-der-Dirk-Pitt-Abenteuer-9-by-Clive-Cussler.pdf
    • http://loaminoo.linkpc.net/3096090092095099/Sidney-Sheldon-Collection-6-Books-Set-by-Sidney-Sheldon.pdf
    • http://loaminoo.linkpc.net/5098096098093097/Nothing-Stopped-Sophie-The-Story-of-Unshakable-Mathematician-Sophie-Germain-by-Cheryl-Bardoe.pdf
    • http://loaminoo.linkpc.net/2094094094090090/Sophie-s-Snail-Sophie-1-by-Dick-King-Smith.pdf
    • http://loaminoo.linkpc.net/1091095095095099095/In-the-Wind-a-Kid-s-Guide-to-Zaanse-Schans-Netherlands-by-Penelope-Dyan.pdf
    • http://loaminoo.linkpc.net/7090093094094095/Speedwell-by-Ann-Turnbull.pdf
    • http://loaminoo.linkpc.net/3096095098090093/Court-of-Secrets-A-Why-Choose-Fantasy-Romance-Book-1-by-Dyan-Chick.pdf
    • http://loaminoo.linkpc.net/5099095095090092/Felicity-Discovers-a-Secret-by-Valerie-Tripp.pdf
    • http://loaminoo.linkpc.net/3098096092090096/The-Forest-People-by-Colin-M-Turnbull.pdf
    • http://loaminoo.linkpc.net/7099099098091097/Maroo-of-the-Winter-Caves-by-Ann-Turnbull.pdf
    • http://loaminoo.linkpc.net/1091095090093096090/Sweet-Humphrey-by-Peter-Turnbull.pdf