Malicious PDF — malware analysis report

Static analysis result for SHA-256 fc7abfa6ec1eaba7…

MALICIOUS

PDF

29.6 KB Created: 2019-04-30 05:14:26 +01:00 Authoring application: mPDF 5.7
MD5: 8363a0295c78755ee02307718f536604 SHA-1: ff48d3eb39a347705f075c77b9bc4be19fa39ced SHA-256: fc7abfa6ec1eaba71fcaebe2bb707844043affb51f35fe460b8e07373b74cbe1
90 Risk Score

Malware Insights

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

The PDF was flagged by a machine learning classifier and contains a large number of embedded external links, a technique often used for SEO manipulation or to host malicious content. While the document body is unreadable, the PDF_SEO_LINK_FARM heuristic indicates a mass of links, suggesting a deceptive or malicious purpose. The specific URLs, though currently marked as benign, are part of this link farm.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9684

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://muicuiu.dumb1.com/9a07a07a09a07a00/Children-And-The-Aids-Virus-A-Book-For-Children-Parents-amp-Teachers-by-Rosmarie-Hausherr.pdf
    • http://muicuiu.dumb1.com/7a01a03a02a00a09/Incorporating-Social-Goals-in-the-Classroom-A-Guide-for-Teachers-and-Parents-of-Children-with-High-Functioning-Autism-and-Asperger-Syndrome-by-Rebecca-A-Moyes.pdf
    • http://muicuiu.dumb1.com/7a01a03a02a08a00/Addressing-the-Challenging-Behavior-of-Children-with-High-Functioning-Autism-Asperger-Syndrome-in-the-Classroom-A-Guide-for-Teachers-and-Parents-by-Rebecca-A-Moyes.pdf
    • http://muicuiu.dumb1.com/9a07a07a09a07a07/The-City-Girl-Who-Went-To-Sea-by-Rosmarie-Hausherr.pdf
    • http://muicuiu.dumb1.com/9a04a01a04a02/Children-as-Teachers-of-Peace-by-Gerald-G-Jampolsky.pdf
    • http://muicuiu.dumb1.com/3a09a09a02a04a06/Children-s-Picture-Book-Clothes-Have-Feelings-Too-Charlie-Learns-to-Care-for-His-Things-Bedtime-Stories-Collection-Children-s-Books-with-Good-Values-by-Ari-Mazor.pdf
    • http://muicuiu.dumb1.com/3a05a02a00a05a09/Families-Like-Mine-Children-of-Gay-Parents-Tell-It-Like-It-Is-by-Abigail-Garner.pdf
    • http://muicuiu.dumb1.com/1a00a00a09a08a05a01/Just-Between-You-and-Me-An-Interactive-Journal-for-Parents-and-Their-Children-by-Tracy-Rumpf-Broy.pdf
    • http://muicuiu.dumb1.com/1a08a08a05a06/Children-Parents-Lollipops-Tales-of-Pediatrics-by-Vladimir-A-Tsesis.pdf
    • http://muicuiu.dumb1.com/4a06a09a07a01a00/Stories-For-Parents-Children-And-Grandchildren-Volume-1-by-Paulo-Coelho.pdf
    • http://muicuiu.dumb1.com/6a01a01a03a00a05/Stories-For-Parents-Children-And-Grandchildren-Volume-2-by-Paulo-Coelho.pdf
    • http://muicuiu.dumb1.com/1a01a02a04a04a05a04/Our-New-Baby-A-Picture-Story-for-Parents-and-Children-by-Grethe-Fagerstrom.pdf
    • http://muicuiu.dumb1.com/1a01a08a00a04a07a04/Ready-Set-Play-Parents-and-Children-Bonding-Through-Sports-by-Mark-Schlereth.pdf
    • http://muicuiu.dumb1.com/2a02a03a04a01a06/The-Seven-Spiritual-Laws-for-Parents-Guiding-Your-Children-to-Success-and-Fulfillment-by-Deepak-Chopra.pdf
    • http://muicuiu.dumb1.com/1a08a05a00a09a02/Children-s-book-Monkey-Brains--Kids-Hillarious-Action-amp-Adventure-book-Bedtime-stories-for-children-short-stories-for-kids-Childrens-books-stories-reader-Funny-Action-and-Adventure-story-by-Nelson-Boyce.pdf
    • http://muicuiu.dumb1.com/1a09a05a08a02a05/The-Magic-Bookshelf-A-Parents-Guide-to-Showing-Growing-Minds-the-Path-to-the-Best-Children-s-Literature-by-Janie-Jarvis.pdf
    • http://muicuiu.dumb1.com/8a09a08a08a01a00/The-Good-Hour-A-Life-changing-Story-for-Children-and-their-Parents-with-Practical-Tips-for-Better-Parenting-by-Doron-Erez.pdf
    • http://muicuiu.dumb1.com/7a06a03a05a02a07/13-Things-Mentally-Strong-Parents-Don-t-Do-Raising-Self-Assured-Children-and-Training-Their-Brains-for-a-Life-of-Happiness-Meaning-and-Success-by-Amy-Morin.pdf
    • http://muicuiu.dumb1.com/1a02a08a02a02a06/Totto-chan-s-Children-A-Goodwill-Journey-to-the-Children-of-the-World-by-Tetsuko-Kuroyanagi.pdf
    • http://muicuiu.dumb1.com/1a00a09a09a04a06a06/Helping-Children-Who-Are-Deaf-Family-and-Community-Support-for-Children-Who-Do-Not-Hear-Well-by-Sandy-Niemann.pdf

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