Malicious PDF — malware analysis report

Static analysis result for SHA-256 acc2161d3d83c1ad…

MALICIOUS

PDF

33.9 KB Created: 2019-05-02 17:14:47 +01:00 Authoring application: mPDF 5.7
MD5: 9d23cc497ebfb56e7fc0ef828b3511a9 SHA-1: faa4eae4ea93cb69e16863ebad5778e9527c619d SHA-256: acc2161d3d83c1ad3a286c911f94fce37b8ed86179e5201e6958beb54fcada32
90 Risk Score

Malware Insights

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

The PDF contains a large number of embedded URLs, forming a link farm. This heuristic suggests the document is designed to redirect users to numerous external sites, likely for malicious purposes such as phishing or malware distribution. The ML classifier also flagged this PDF with high confidence. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9651

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://muicuiu.dumb1
    • http://muicuiu.dumb1.com/9a09a00a09a08a02/Hill-s-Wilmington-New-Hanover-County-N-C-City-Directory-1961-Including-Audubon-Devon-Park-Edgewood-Foxtown-Garden-City-Hanover-Heights-Highwood-Park-Idlewild-Long-Leaf-Hills-Oak-Court-Oak-Crest-Piney-Woods-and-Winter-Park-by-Hill-Directory-Company.pdf
    • http://muicuiu.dumb1.com/9a09a00a09a08a03/Hill-s-Wilmington-New-Hanover-County-N-C-City-Directory-1960-Including-Audubon-Devon-Park-Edgewood-Foxtown-Garden-City-Hanover-Heights-Highwood-Park-Idlewild-Long-Leaf-Hills-Oak-Court-Oak-Crest-Piney-Woods-and-Winter-Park-by-Hill-Directory-Company.pdf
    • http://muicuiu.dumb1.com/9a09a00a09a08a04/Hill-s-Wilmington-New-Hanover-County-N-C-City-Directory-1959-Including-Audubon-Devon-Park-Edgewood-Foxtown-Garden-City-Hanover-Heights-Highwood-Park-Idlewild-Long-Leaf-Hills-Oak-Court-Oak-Crest-Piney-Woods-and-Winter-Park-Containing-an-by-Hill-Directory-Company.pdf
    • http://muicuiu.dumb1.com/9a09a00a09a07a08/Hill-s-Wilmington-New-Hanover-County-N-C-City-Directory-1956-Including-Audubon-Devon-Park-Edgewood-Foxtown-Garden-City-Hanover-Heights-Highwood-Park-Idlewild-Longleaf-Hill-Oak-Court-Oak-Crest-Piney-Woods-and-Winter-Park-by-Hill-Directory-Company.pdf
    • http://muicuiu.dumb1.com/1a01a06a02a09a06a00/Jurassic-Park-Michael-Crichton-List-of-Jurassic-Park-Characters-the-Lost-World-Jurassic-Park-Jurassic-Park-III-Biological-Issue-by-Source-Wikipedia.pdf
    • http://muicuiu.dumb1.com/5a00a02a05a05a03/Articles-on-Harry-Bosch-Series-Including-Harry-Bosch-the-Overlook-Echo-Park-Novel-the-Narrows-Novel-the-Closers-City-of-Bones-Novel-a-Darkness-More-Than-Night-Angels-Flight-Novel-Trunk-Music-Novel-the-Last-Coyote-by-Hephaestus-Books.pdf
    • http://muicuiu.dumb1.com/1a01a07a06a04a08a03/Moderne-Im-Park-Der-Architekt-Helmut-Riemann-Und-Die-H-user-Im-Reemtsma-Park-In-Hamburg-by-Ulrich-H-hns.pdf
    • http://muicuiu.dumb1.com/1a01a03a04a09a05a03/A-Perfect-Rescue-Park-City-Firefighter-Romance-7-by-Daniel-Banner.pdf
    • http://muicuiu.dumb1.com/1a01a03a04a09a04a09/Two-Hearts-Rescue-Park-City-Firefighter-Romance-3-by-Daniel-Banner.pdf
    • http://muicuiu.dumb1.com/4a04a00a08a00a03/The-Spark-of-a-Kiss-Park-City-Firefighter-Romance-Station-2-by-Sarah-Gay.pdf
    • http://muicuiu.dumb1.com/9a09a00a09a02a07/Idlewild-History-and-Memories-of-Pennsylvania-s-Oldest-Amusement-Park-by-Jennifer-Sopko.pdf
    • http://muicuiu.dumb1.com/5a00a02a03a01/Jurassic-Park-The-Lost-World-Jurassic-Park-1-2-by-Michael-Crichton.pdf
    • http://muicuiu.dumb1.com/1a08a08a02a09/Kope-s-Outer-Space-Directory-The-Products-Places-and-People-Directory-by-Spencer-Kope.pdf
    • http://muicuiu.dumb1.com/6a02a07a09a08a05/Ocean-Park-Ocean-Park-Series-1-by-Michael-Walsh.pdf
    • http://muicuiu.dumb1.com/2a02a05a00a01a04/Moonlight-in-Winter-Park-by-Samantha-Chase.pdf
    • http://muicuiu.dumb1.com/4a09a03a04a04a03/Landry-Park-Landry-Park-1-by-Bethany-Hagen.pdf
    • http://muicuiu.dumb1.com/2a08a02a06a09a04/University-Park-Series-Box-Set-University-Park-1-3-by-C-M-Doporto.pdf
    • http://muicuiu.dumb1.com/1a01a08a02a04a03/View-Park-View-Park-1-by-Angela-Winters.pdf
    • http://muicuiu.dumb1.com/4a04a04a07a00a09/Highland-Park-Presents-by-Fifth-Grade-of-Highland-Park.pdf
    • http://muicuiu.dumb1.com/1a06a04a00a01a05/Dream-Park-Dream-Park-1-by-Larry-Niven.pdf

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