Malicious PDF — malware analysis report

Static analysis result for SHA-256 374a590b6c4ebf90…

MALICIOUS

PDF

16.0 KB Created: 2019-05-05 16:22:47 +01:00 Authoring application: mPDF 5.7
MD5: dab171e81d1d19784ace23503334bc85 SHA-1: c1751ee631a686b344a4ffb249738cb100997dba SHA-256: 374a590b6c4ebf90544224edef15cbb5355389c01dd8322f81ad3273eeb378fb
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 User Execution: Malicious File

The PDF file contains a large number of embedded links pointing to external PDF documents hosted on the loaminoo.linkpc.net domain. This technique is often used to distribute malicious content or to engage in SEO poisoning to drive traffic to malicious sites. The ML classifier strongly indicated maliciousness, and the PDF_SEO_LINK_FARM heuristic confirms the suspicious link distribution pattern.

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/1096094094094092/Ginger-by-Charlotte-Voake.pdf
    • http://loaminoo.linkpc.net/4090094096092095/The-Kittens-The-Kittens-1-by-Allison-Angel.pdf
    • http://loaminoo.linkpc.net/1090090095095092092/Kitchen-Workshop-Pizza-Hands-on-Cooking-Lessons-for-Making-Amazing-Pizza-at-Home-by-Ruth-Gresser.pdf
    • http://loaminoo.linkpc.net/1090090095095095097/Truly-Madly-Pizza-One-Incredibly-Easy-Crust-Countless-Inspired-Combinations-amp-Other-Tidbits-to-Make-Pizza-a-Nightly-Affair-by-Suzanne-Lenzer.pdf
    • http://loaminoo.linkpc.net/2092095098093093/Daisy-Dawson-and-the-Secret-Pond-by-Steve-Voake.pdf
    • http://loaminoo.linkpc.net/2094095090093099/Three-Little-Kittens-by-Masha.pdf
    • http://loaminoo.linkpc.net/3090090095097091/Inside-Charlotte-The-Promiscuous-Wanderings-of-Charlotte-Somerset-Book-1-by-Jo-B-Hayve.pdf
    • http://loaminoo.linkpc.net/3091096096099093/Four-Little-Kittens-by-Kathleen-N-Daly.pdf
    • http://loaminoo.linkpc.net/3091097098092092/Kittens-in-the-Sun-by-Hans-W-Silvester.pdf
    • http://loaminoo.linkpc.net/4097095094098094/A-Study-in-Charlotte-Charlotte-Holmes-1-by-Brittany-Cavallaro.pdf
    • http://loaminoo.linkpc.net/1090092093090097094/Lisi-and-the-kittens-by-Krister-Green.pdf
    • http://loaminoo.linkpc.net/5090097094092092/How-Kittens-Grow-by-Millicent-E-Selsam.pdf
    • http://loaminoo.linkpc.net/9092099090098/Mama-Cat-Has-Three-Kittens-by-Denise-Fleming.pdf
    • http://loaminoo.linkpc.net/3098092093099090/The-Halloween-Kittens-by-Maggie-Kneen.pdf
    • http://loaminoo.linkpc.net/3091097097092096/Houseful-of-Kittens-by-Nobuo-Honda.pdf
    • http://loaminoo.linkpc.net/3096094099094095/Yoda-The-Story-of-a-Cat-and-His-Kittens-by-Beth-Stern.pdf
    • http://loaminoo.linkpc.net/3092096090095090/Hellfire-and-Kittens-Queen-Lucy-1-by-Rhiannon-Lee.pdf
    • http://loaminoo.linkpc.net/1098090096098092/Kittens-in-the-Kitchen-Animal-Ark-1-by-Lucy-Daniels.pdf
    • http://loaminoo.linkpc.net/3091096097090092/Flicka-Ricka-Dicka-and-the-Three-Kittens-by-Maj-Lindman.pdf
    • http://loaminoo.linkpc.net/3091098094099095/Mittens-For-Kittens-And-Other-Rhymes-About-Cats-by-Lenore-Blegvad.pdf

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