Malicious PDF — malware analysis report

Static analysis result for SHA-256 f292aed3fe137542…

MALICIOUS

PDF

29.7 KB Created: 2019-04-30 05:13:09 +01:00 Authoring application: mPDF 5.7
MD5: 1f9a5b1cf00f45f589322affa09196a4 SHA-1: 85a638260e96ecf8edb52482712a60d37dca892c SHA-256: f292aed3fe137542e7ec4fe9c55accedbbc9c74dc3149f5561a0d33a3562a22c
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a large number of embedded URLs, a technique often used for SEO poisoning or to redirect users to malicious content. The heuristic PDF_SEO_LINK_FARM specifically identified this behavior. While the URLs themselves are currently marked as benign, the sheer volume and the ML classifier's high confidence score suggest a malicious intent, likely to distribute further malware or phishing content. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9885

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://xiixmcuin.linkpc.net/3201200201209201/Crock-Pot-Everyday-Crock-Pot-and-Slow-Cooker-Recipes-for-Beginners-Slow-Cooker-Slow-Cooker-Cookbook-Slow-Cooker-Recipes-Slow-Cooking-Slow-Cooker-Meals-ebooks-Cookbook-delicious-recipes-1-by-Anna-Scott.pdf
    • http://xiixmcuin.linkpc.net/1208203201207207/Gluten-Free-Slow-Cooker-Gluten-Free-Slow-Cooker-Cookbook-50-Healthy-Recipes-10-Bonus-Desserts-by-F-L-Clover.pdf
    • http://xiixmcuin.linkpc.net/3204209209201203/Circle-of-Friends-Cookbook-25-Slow-Cooker-Recipes-Exclusive-online-cookbook-by-Gooseberry-Patch.pdf
    • http://xiixmcuin.linkpc.net/1204201206206202/Fix-It-and-Forget-It-Cookbook-Feasting-with-Your-Slow-Cooker-by-Dawn-J-Ranck.pdf
    • http://xiixmcuin.linkpc.net/1201203200202209209/Fix-It-and-Forget-It-New-Cookbook-250-New-Delicious-Slow-Cooker-Recipes-by-Phyllis-Pellman-Good.pdf
    • http://xiixmcuin.linkpc.net/3201201201204206/Pressure-Cooker-Cookbook-Bundle-Over-60-Recipes-To-Help-Save-Time-and-Make-Delicious-Meals-Both-You-amp-Your-Family-Will-Love-The-Essential-Kitchen-Series-by-Sarah-Sophia.pdf
    • http://xiixmcuin.linkpc.net/1201203205205209206/American-Heart-Association-Healthy-Slow-Cooker-Cookbook-200-Low-Fuss-Good-for-You-Recipes-by-American-Heart-Association.pdf
    • http://xiixmcuin.linkpc.net/6205203208206208/Slow-Cooker-Desserts-Oh-So-Easy-Oh-So-Delicious-by-Roxanne-Wyss.pdf
    • http://xiixmcuin.linkpc.net/8207201209207200/Slow-Family-Living-75-Simple-Ways-to-Slow-Down-Connect-and-Create-More-Joy-by-Bernadette-Noll.pdf
    • http://xiixmcuin.linkpc.net/1201207203207203203/The-Paleo-Slow-Cooker-Healthy-Gluten-free-Meals-the-Easy-Way-by-Arsy-Vartanian.pdf
    • http://xiixmcuin.linkpc.net/1201207203207203206/Easy-Paleo-Slow-Cooker-Meals-Over-25-quick-prep-nutrient-rich-grain-free-recipes-by-Arsy-Vartanian.pdf
    • http://xiixmcuin.linkpc.net/5208200209202202/Healthy-Recipe-Collection-Slow-Cooker-Dutch-Oven-Casserole-Lasagna-Braised-Gourmet-Recipes-by-Vickie-Sunnel.pdf
    • http://xiixmcuin.linkpc.net/2206209209203205/One-Pan-Wonders-Fuss-Free-Meals-for-Your-Sheet-Pan-Dutch-Oven-Skillet-Roasting-Pan-Casserole-and-Slow-Cooker-by-America-39-s-Test-Kitchen.pdf
    • http://xiixmcuin.linkpc.net/5206204203205207/The-Essential-Instant-Pot-Cookbook-Fresh-and-Foolproof-Recipes-for-Your-Electric-Pressure-Cooker-by-Coco-Morante.pdf
    • http://xiixmcuin.linkpc.net/9203206209202203/Slow-Cooker-Pork-Recipes-Soups-amp-Stews-Pulled-Tenderloin-Plus-Quick-and-Easy-Pork-Chop-Recipes-For-Your-Crock-Pot-by-Lauren-Beaty.pdf
    • http://xiixmcuin.linkpc.net/5202204204/Instant-Pot-Pressure-Cooker-Recipes-Cookbook-Easy-Fast-Healthy-and-Delicious-Recipes-by-Emma-Watson.pdf
    • http://xiixmcuin.linkpc.net/5201201209200204/Elliot-s-Extraordinary-Cookbook-by-Christina-Bj-rk.pdf
    • http://xiixmcuin.linkpc.net/4208203203202201/Slow-Burn-The-Fitzgerald-Family-1-by-E-B-Walters.pdf
    • http://xiixmcuin.linkpc.net/8209200204200207/Slow-Cooker-Recipes-Weight-Watchers-Recipes-Quick-and-Fast-Recipes-for-Fast-Weight-Loss-by-Natalie-Kordon.pdf
    • http://xiixmcuin.linkpc.net/9200203200205/A-Well-Pleasured-Lady-Fairchild-Family-1-by-Christina-Dodd.pdf
    • http://xiixmcuin.linkpc.net/1208203201207207/Gluten-Fr

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