Malicious PDF — malware analysis report

Static analysis result for SHA-256 373d7dae037ce016…

MALICIOUS

PDF

15.2 KB Created: 2019-04-30 05:38:28 +01:00 Authoring application: mPDF 5.7
MD5: fc50dd9ba96a064890d2d0c06c8d7164 SHA-1: bc1c6d18d70a23ac03c2faa16f2eb22be19aebff SHA-256: 373d7dae037ce016969dcc4718de5691da08631b21142618f15604914a73354e
90 Risk Score

Malware Insights

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

The PDF contains a large number of embedded URLs, identified as a link farm. While the specific URLs extracted are currently classified as benign, the heuristic 'PDF_SEO_LINK_FARM' indicates a malicious intent to manipulate search engine results or redirect users to potentially harmful content. The ML classifier also flagged the PDF as malicious with high confidence. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9880

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/3208208209200209/The-Amish-Nanny-s-Sweetheart-Amish-Country-Brides-2-by-Jan-Drexler.pdf
    • http://xiixmcuin.linkpc.net/4209200205208201/An-Amish-Christmas-Brides-of-Amish-Country-3-by-Patricia-Davids.pdf
    • http://xiixmcuin.linkpc.net/4201206207206203/The-Shepherd-s-Bride-Brides-of-Amish-Country-10-by-Patricia-Davids.pdf
    • http://xiixmcuin.linkpc.net/9206201204205208/Amish-Widow-s-Hope-Expectant-Amish-Widows-1-by-Samantha-Price.pdf
    • http://xiixmcuin.linkpc.net/9205206207203209/Amish-Brotherly-Love-Corbins-Creek-Amish-Romance-Series-by-Martha-Sowell.pdf
    • http://xiixmcuin.linkpc.net/4203208207205209/Their-Pretend-Amish-Courtship-The-Amish-Bachelors-4-by-Patricia-Davids.pdf
    • http://xiixmcuin.linkpc.net/1200205206207205206/Amish-Country-Amnesia-by-Meghan-Carver.pdf
    • http://xiixmcuin.linkpc.net/2205206208209/Family-Blessings-Amish-Brides-of-Celery-Fields-2-by-Jo-akaAnna-Schmidt.pdf
    • http://xiixmcuin.linkpc.net/8209201207200/A-Lancaster-Amish-Storm-1-1-A-Lancaster-Amish-Storm-Kindle-Unlimited-Series-by-Ruth-Price.pdf
    • http://xiixmcuin.linkpc.net/1208208207200201/An-Amish-Courtship-1-An-Amish-Courtship-1-by-Samantha-Bayarr.pdf
    • http://xiixmcuin.linkpc.net/2205206209201202/Rumspringa-To-Be-or-Not-to-Be-Amish-by-Tom-Shachtman.pdf
    • http://xiixmcuin.linkpc.net/3202202207209208/Between-Two-Worlds-Amish-1-by-Shelter-Somerset.pdf
    • http://xiixmcuin.linkpc.net/2204203203201208/Accidentally-Amish-by-Olivia-Newport.pdf
    • http://xiixmcuin.linkpc.net/1201200206202208206/The-Amish-Wanderer-by-Laura-V-Hilton.pdf
    • http://xiixmcuin.linkpc.net/7204203202206/Forever-Amish-by-Kate-Lloyd.pdf
    • http://xiixmcuin.linkpc.net/3203200208201208/An-Amish-Wedding-by-Beth-Wiseman.pdf
    • http://xiixmcuin.linkpc.net/5200202203209202/An-Amish-Christmas-by-Cynthia-Keller.pdf
    • http://xiixmcuin.linkpc.net/5201207208205/The-Secret-of-Nagas-by-Amish-Tripathi.pdf
    • http://xiixmcuin.linkpc.net/1208202204201202/A-Way-Home-Gay-Amish-Romance-3-by-Keira-Andrews.pdf
    • http://xiixmcuin.linkpc.net/5203200202202208/Amish-Mennonite-Strawberry-Cookbook-by-A-Kauffmann.pdf
    • http://xiixmcuin.linkpc.net/8209201207200/A-Lancaster-Amish-Storm-1-1-A-Lancaster-Amish-Storm-Kindle-Unlimited-Series-by-Ruth-Price.pd

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