Malicious PDF — malware analysis report

Static analysis result for SHA-256 608bce3570507d51…

MALICIOUS

PDF

29.4 KB Created: 2019-11-07 08:22:30 +00:00 Authoring application: mPDF 5.7
MD5: 0131445347bf4f57c9a3510accb1bdc1 SHA-1: cb14c787f211d55f4cc79959e619b50ae8eff8a4 SHA-256: 608bce3570507d513599e31a39058b4d5be4b8e1d583923479e88efa2fb39ec1
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs pointing to external PDF files, as indicated by the PDF_SEO_LINK_FARM heuristic. While the document body is heavily obfuscated, the presence of numerous links suggests an attempt to manipulate search engine results or redirect users to potentially malicious content. The ML_NYX_PDF_MALICIOUS heuristic further supports the malicious nature of the file.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9677

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://cefasfese.4pu.com/6731730739732733/Vertical-Gardening-The-Definitive-Guide-To-Vertical-Gardening-For-Beginners-by-Gloria-Fields.pdf
    • http://cefasfese.4pu.com/8737736737737736/The-Guide-for-Ohio-School-Officers-Containing-All-the-Law-of-Ohio-Applicable-to-School-Officers-with-Forms-and-Suggestions-for-the-Guidance-of-All-School-Officials-by-William-Mahlon-Rockel.pdf
    • http://cefasfese.4pu.com/8737736737738735/The-Guide-for-Ohio-School-Officers-Containing-All-the-Law-of-Ohio-Applicable-to-School-Officers-with-Forms-and-Suggestions-for-the-Guidance-of-All-School-Officials-by-William-M-William-Mahlon-185-Rockel.pdf
    • http://cefasfese.4pu.com/8732736739733733/The-Vegetable-Gardener-s-Guide-to-Permaculture-Creating-an-Edible-Ecosystem-by-Christopher-Shein.pdf
    • http://cefasfese.4pu.com/7737733736731738/A-Guide-to-Water-Gardening-by-Ethne-Clarke.pdf
    • http://cefasfese.4pu.com/2731735738738733/Winesburg-Ohio-a-group-of-tales-of-Ohio-small-town-life-by-Sherwood-Anderson.pdf
    • http://cefasfese.4pu.com/3738736733736735/Complete-Guide-To-Flower-Gardening-by-Better-Homes-and-Gardens.pdf
    • http://cefasfese.4pu.com/7731737735731738/Ghost-Hunter-s-Guide-to-Haunted-Ohio-by-Chris-Woodyard.pdf
    • http://cefasfese.4pu.com/8737737731731731/Juicing-for-Life-A-Guide-to-the-Benefits-of-Fresh-Fruit-and-Vegetable-Juicing-by-Cherie-Calbom.pdf
    • http://cefasfese.4pu.com/3739734739736738/Mister-Owita-s-Guide-to-Gardening-How-I-Learned-the-Unexpected-Joy-of-a-Green-Thumb-and-an-Open-Heart-by-Carol-Wall.pdf
    • http://cefasfese.4pu.com/7731737734736734/Haunted-Ohio-IV-Restless-Spirits-Haunted-Ohio-Series-by-Chris-Woodyard.pdf
    • http://cefasfese.4pu.com/8732737732738735/Permaculture-Permaculture-Gardening-Guide-For-Self-Sufficiency-by-Melissa-Honeydew.pdf
    • http://cefasfese.4pu.com/8736733732739731/Mini-Farming-BOX-SET-2-IN-1-A-Pictured-Guide-For-Beginners-On-How-To-Build-Your-Own-Backyard-Farm-And-Harvest-the-Best-Quality-Vegetables-On-Your-Mini-Homesteading-and-Urban-Gardening-Book-6-by-Batya-Nielson.pdf
    • http://cefasfese.4pu.com/6731730737736733/The-Vertical-Gardening-Guidebook-How-To-Create-Beautiful-Vertical-Gardens-Container-Gardens-and-Aeroponic-Vertical-Tower-Gardens-at-Home-Gardening-Guidebooks-Book-1-by-Tom-Corson-Knowles.pdf
    • http://cefasfese.4pu.com/5733731738735731/The-Turn-of-the-Screw-Annotated-The-Study-Guide-Edition-Creative-Study-Guide-Editions-Book-8-by-Henry-James.pdf
    • http://cefasfese.4pu.com/1730737732736737737/Samuel-Beckett-Ohio-Impromptu-Impromptu-Elements-in-Samuel-Beckett-s-Ohio-Impromptu-by-Oliver-Christl.pdf
    • http://cefasfese.4pu.com/6737739737735731/Vegetable-Insects-and-Their-Control-by-Alan-G-Dustan.pdf
    • http://cefasfese.4pu.com/4737735730735736/Animal-Vegetable-Miracle-by-Barbara-Kingsolver.pdf
    • http://cefasfese.4pu.com/4736739730739732/Vegetable-Duck-Dr-Priestley-40-by-John-Rhode.pdf
    • http://cefasfese.4pu.com/1730737739733738731/Vegetable-Garden-Pest-Control-by-Richard-Rossbauer.pdf

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