Malicious PDF — malware analysis report

Static analysis result for SHA-256 84141fba2af89335…

MALICIOUS

PDF

30.2 KB Created: 2019-09-27 13:20:35 +01:00 Authoring application: mPDF 5.7
MD5: 0f8c27b14289f4c49fb504b892aab0f8 SHA-1: 7476ca7d9bb6c7b63093c5b12ba40c2363bcd2d5 SHA-256: 84141fba2af89335b58cee2221cb5d2928d0a9de065beed3c207c25fa8c6fada
90 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links pointing to external PDF files, a technique often used for SEO poisoning or to distribute further malicious content. The ML classifier also flagged this PDF as malicious. The primary attack pattern involves directing users to a domain hosting numerous PDF files, likely as a lure or to distribute malware.

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://cefasfese.4pu.com/5736734730733734/Chili-Recipes-Circle-of-Friends-Cookbook-Vol-2-by-Gooseberry-Patch.pdf
    • http://cefasfese.4pu.com/3739735737732731/Kids-in-the-Kitchen-Recipes-for-Fun-by-Gooseberry-Patch.pdf
    • http://cefasfese.4pu.com/5736734730734731/35-Chili-Recipes---World-s-Best-Chili-Cookbook-by-Hillbilly-Housewife.pdf
    • http://cefasfese.4pu.com/8738733731730736/The-Unofficial-Narnia-Cookbook-From-Turkish-Delight-to-Gooseberry-Fool-Over-150-Recipes-Inspired-by-The-Chronicles-of-Narnia-by-Dinah-Bucholz.pdf
    • http://cefasfese.4pu.com/5739735733733732/Easy-Crepe-Cookbook-50-Delicious-Crepe-Recipes-Crepe-Recipes-Crepe-Cookbook-Breakfast-Recipes-Breakfast-Cookbook-Book-1-by-Maggie-Chow.pdf
    • http://cefasfese.4pu.com/8730734737739732/A-Kitchen-in-Tunisia-Tunisian-Recipes-from-North-Africa-Tunisian-Recipes-Tunisian-Cookbook-Tunisian-Cooking-Tunisian-Food-African-Recipes-African-Cookbook-African-Cooking-Book-1-by-Umm-Maryam.pdf
    • http://cefasfese.4pu.com/5737738732739737/Authentic-Recipes-from-Jamaica-Jamaican-Cookbook-Over-80-Recipes-by-John-DeMers.pdf
    • http://cefasfese.4pu.com/3731730732730738/Crock-Pot-Recipes-The-Ultimate-Guide-to-Only-the-Best-Crock-Pot-Recipes-from-Vegetarian-Corn-Chowder-to-Vegetarian-Chili-with-Sweep-Potatoes-This-Guide-Will-Keep-You-Coming-Back-for-More-by-Sarah-Sophia.pdf
    • http://cefasfese.4pu.com/5737732739732/Coconut-Delights-Cookbook-A-Collection-of-Coconut-Recipes-Cookbook-Delight-Series-by-Karen-Jean-Matsko-Hood.pdf
    • http://cefasfese.4pu.com/1730739733732739739/Top-37-Wonderful-Vegetarian-Chili-Soups-and-Stews-Recipes-for-Busy-Women-by-Jamie-Fynn.pdf
    • http://cefasfese.4pu.com/1730737736733732733/Muffin-Muffin-Tin-Recipes-Delicious-Muffin-Tin-Recipes-in-15-Minutes-Muffins-Muffin-Recipes-Muffin-Muffin-Tips-Muffin-Ideas-Muffin-Cookbook-by-Marian-Ramariz.pdf
    • http://cefasfese.4pu.com/5736734730732735/Revenge-of-the-Chili-Queens-A-Chili-Cook-Off-Mystery-3-by-Kylie-Logan.pdf
    • http://cefasfese.4pu.com/3730738739735731/Whole-Food-The-30-day-Whole-Food-Ultimate-Cookbook-100recipes-Whole-Food-Diet-Whole-Food-Cookbook-Whole-Food-Recipes-Clean-Eating-Paleo-Ketogenic-by-Ryanne-Anna.pdf
    • http://cefasfese.4pu.com/4733734737730738/Healthy-Desserts---30-Healthy-Recipes-Dessert-Cookbook-More-Than-30-Delicious-Recipes-from-a-Real-Kitchen-Cookies-Cakes-Desserts-Fudge-Pie-etc-by-Mercy-P-Allen.pdf
    • http://cefasfese.4pu.com/1730738730737736735/Recipes-for-Repair-Recipes-and-tips-for-the-anti-inflammation-diet-developed-by-Kenneth-B-Singleton-MD-MPH-author-of-the-Lyme-Disease-Solution-A-Lyme-Disease-Cookbook-by-Gail-Piazza.pdf
    • http://cefasfese.4pu.com/8734734736736734/The-New-Vegetable-Cookbook-Hawthorn-Midi-Series-by-Family-Circle.pdf
    • http://cefasfese.4pu.com/3736733738730738/Lori-The-Circle-of-Friends-1-by-L-Diane-Wolfe.pdf
    • http://cefasfese.4pu.com/4738731733735737/A-Christmas-Fling-The-Circle-of-Friends-3-5-by-Mary-Jo-Putney.pdf
    • http://cefasfese.4pu.com/6731735737736736/Circle-of-Friends-Silver-Wedding-by-Maeve-Binchy.pdf
    • http://cefasfese.4pu.com/1731733739739738/The-Constant-Circle-H-L-Mencken-and-His-Friends-by-Sara-Mayfield.pdf
    • http://cefasfese.4pu.com/8730734737739732/A-Kitchen-in-Tunisia-Tunisian-Recipes-from-North-Africa-Tunisian-Recipes-Tunisian-Cookbook-Tunisian-Cooking-Tunisian-Food-African-Recipes-Afr

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