Malicious PDF — malware analysis report

Static analysis result for SHA-256 7116685e64c2172a…

MALICIOUS

PDF

27.0 KB Created: 2019-05-02 01:01:14 +01:00 Authoring application: mPDF 5.7 First seen: 2021-06-04
MD5: 7b292263872ab32ab702022d0c12a329 SHA-1: b8947ffb93fd6cc98fa1b5d45af3189e4c6aa7a1 SHA-256: 7116685e64c2172ad1f3c9d4e00bd35cac3cd02753eb400ff5ab25e10cc1faf5
100 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links to external PDF files, masquerading as a "link farm" for SEO purposes. The presence of a visual download button and the ML classifier's high confidence score indicate a malicious intent to trick users into downloading potentially harmful content. The embedded URLs, while marked as benign in this context, are part of a pattern designed to distribute further content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9695

Heuristics 3

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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/9a05a09a06a04a09/Grow-Great-Grub-Organic-Food-from-Small-Spaces-by-Gayla-Trail.pdf In PDF document text
    • http://muicuiu.dumb1.com/1a00a07a09a04a08a09/Organic-Pest-Control-The-Ultimate-Organic-Pest-Control-System-to-Protect-Your-House-Garden-and-Food-by-Thomas-Hunter.pdfIn PDF document text
    • http://muicuiu.dumb1.com/9a05a09a08a02a03/Backpack-Gourmet-Good-Hot-Grub-You-Can-Make-at-Home-Dehydrate-and-Pack-for-Quick-Easy-and-Healthy-Eating-on-the-Trail-by-Linda-Frederick-Yaffe.pdfIn PDF document text
    • http://muicuiu.dumb1.com/1a07a09a05a04/Logee-s-Greenhouses-Spectacular-Container-Plants-How-to-Grow-Dramatic-Flowers-for-Your-Patio-Sunroom-Windowsill-and-Outdoor-Spaces-by-Byron-E-Martin.pdfIn PDF document text
    • http://muicuiu.dumb1.com/6a01a00a09a01a01/Vertical-Gardening---Bountiful-Results-in-Small-Spaces-by-Don-Evans.pdfIn PDF document text
    • http://muicuiu.dumb1.com/1a02a06a01a06a00/Grow-Old-With-Me-The-Quilt-Trail-Series-Book-1-by-Melinda-Evaul.pdfIn PDF document text
    • http://muicuiu.dumb1.com/6a01a00a08a06a02/Garden-Up-Smart-Vertical-Gardening-for-Small-and-Large-Spaces-by-Susan-Morrison.pdfIn PDF document text
    • http://muicuiu.dumb1.com/1a08a07a00a01a00/Country-Living-Easy-Transformations-Small-Spaces-and-Cozy-Corners-by-Janice-Easton-Epner.pdfIn PDF document text
    • http://muicuiu.dumb1.com/3a00a09a07a01a05/Food-to-Live-By-The-Earthbound-Farm-Organic-Cookbook-by-Myra-Goodman.pdfIn PDF document text
    • http://muicuiu.dumb1.com/6a01a00a07a06a05/Vertical-Vegetables-Fruit-Creative-Gardening-Techniques-for-Growing-Up-in-Small-Spaces-by-Rhonda-Massingham-Hart.pdfIn PDF document text
    • http://muicuiu.dumb1.com/1a06a04a08a00a07/Up-We-Grow-A-Year-in-the-Life-of-a-Small-Local-Farm-by-Deborah-Hodge.pdfIn PDF document text
    • http://muicuiu.dumb1.com/3a07a05a02a02a09/The-Grub-And-Stakers-Move-a-Mountain-Grub-and-Stakers-Mystery-1-by-Alisa-Craig.pdfIn PDF document text
    • http://muicuiu.dumb1.com/2a00a07a04a01a00/The-Market-Gardener-A-Handbook-for-Successful-Small-Scale-Organic-Farming-by-Jean-Martin-Fortier.pdfIn PDF document text
    • http://muicuiu.dumb1.com/5a05a09a09a08a07/DIY-Aquaponics-The-Definitive-How-to-Guide-Grow-Premium-Food-Wherever-and-Whenever-You-Want-by-Arash-Amini.pdfIn PDF document text
    • http://muicuiu.dumb1.com/8a06a04a09a03a02/Periodic-Fasting-Repair-your-DNA-Grow-Younger-and-Learn-to-Appreciate-your-Food-by-Cristian-Vlad-Zot.pdfIn PDF document text
    • http://muicuiu.dumb1.com/2a09a03a08a04a01/The-Grub-And-Stakers-House-a-Haunt-Grub-And-Stakers-5-by-Alisa-Craig.pdfIn PDF document text
    • http://muicuiu.dumb1.com/7a00a03a07a03a07/Eat-Your-Way-West-with-Lewis-and-Clark-And-the-Many-Food-History-Lovers-at-the-End-of-the-Oregon-Trail-by-Melanie-Lessard.pdfIn PDF document text
    • http://muicuiu.dumb1.com/1a08a09a06a05a01/Organic-Manifesto-How-Organic-Farming-Can-Heal-Our-Planet-Feed-the-World-and-Keep-Us-Safe-by-Maria-Rodale.pdfIn PDF document text
    • http://muicuiu.dumb1.com/4a03a08a04a04a00/A-Trail-of-Crumbs-A-Novel-of-the-Great-Depression-by-Susie-Finkbeiner.pdfIn PDF document text
    • http://muicuiu.dumb1.com/8a09a09a04a00a09/Money-for-Jam-2e-The-Essential-Guide-to-Starting-Your-Own-Small-Food-Business-2nd-edition-by-Oonagh-Monahan.pdfIn PDF document text

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