Malicious PDF — malware analysis report

Static analysis result for SHA-256 d69759cb079a6b8e…

MALICIOUS

PDF

16.9 KB Created: 2019-05-01 05:56:43 +01:00 Authoring application: mPDF 5.7
MD5: 5148449916f8a7bf5aa760c804eb0954 SHA-1: f470a2cce6f2c92cb100c5944a5725bdce3b96fd SHA-256: d69759cb079a6b8e44a8d6c88395ac8dfae8f21261e13d2f72ec84340268de2d
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF file contains a large number of embedded links pointing to external PDF documents, primarily hosted on the domain 'cefasfese.4pu.com'. This technique is often used for SEO poisoning or to distribute malicious content indirectly. While the specific content of the linked PDFs is not analyzed here, the sheer volume and the nature of the heuristic firing suggest a malicious intent to drive traffic or potentially deliver further payloads. No scripts were extracted from this sample.

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/1736734738737739/Exposure-by-Kelly-Moran.pdf
    • http://cefasfese.4pu.com/3735736739733734/Love-is-in-the-Air-by-Kelly-Moran.pdf
    • http://cefasfese.4pu.com/2736739732730739/Exposure-by-Kelly-Moran.pdf
    • http://cefasfese.4pu.com/2730733732737/Ghost-of-You-Phantoms-3-by-Kelly-Moran.pdf
    • http://cefasfese.4pu.com/1732730738730733/Tracking-You-Redwood-Ridge-2-by-Kelly-Moran.pdf
    • http://cefasfese.4pu.com/1734734733734731/Ghost-of-a-Promise-Phantoms-1-by-Kelly-Moran.pdf
    • http://cefasfese.4pu.com/1738731735734739/Give-Up-the-Ghost-Phantoms-2-by-Kelly-Moran.pdf
    • http://cefasfese.4pu.com/6735730733739/When-the-Leaves-Stop-Falling-by-Kelly-Moran.pdf
    • http://cefasfese.4pu.com/5739731/Return-to-Me-Covington-Cove-1-by-Kelly-Moran.pdf
    • http://cefasfese.4pu.com/1731733732732732/Winter-s-Path-Seasmoke-Friends-2-by-Kelly-Moran.pdf
    • http://cefasfese.4pu.com/1732731730739734/Summer-s-Road-Seasmoke-Friends-1-by-Kelly-Moran.pdf
    • http://cefasfese.4pu.com/4737730736735737/Taste-Test-by-Kelly-Fiore-Stultz.pdf
    • http://cefasfese.4pu.com/1731739735732734734/Software-Test-Automation-Effective-Use-of-Test-Execution-Tools-by-Mark-Fewster.pdf
    • http://cefasfese.4pu.com/1732732737733739/xUnit-Test-Patterns-Refactoring-Test-Code-by-Gerard-Meszaros.pdf
    • http://cefasfese.4pu.com/2731733731730734/The-Commitment-Test-The-Marin-Test-2-by-Amanda-Aksel.pdf
    • http://cefasfese.4pu.com/3739738738735/This-is-Not-a-Test-This-is-Not-a-Test-1-by-Courtney-Summers.pdf
    • http://cefasfese.4pu.com/3739730732732737/Paperboy-A-Dysfunctional-Novel-by-Bob-Thurber.pdf
    • http://cefasfese.4pu.com/2731736735733735/Dysfunctional-Romance-by-Derick-Hudson.pdf
    • http://cefasfese.4pu.com/3731734739737735/Dysfunctional-Romance-The-Break-Up-by-Derick-Hudson.pdf
    • http://cefasfese.4pu.com/7739739730730736/Integrated-Advanced-Microwave-Sounding-Unit-A-Amsu-A-Engineering-Test-Report-Radiated-Emissions-and-Sarr-Sarp-Dcs-Receivers-Link-Frequencies-EMI-Sensitive-Band-Test-Results-Amsu-A2-S-N-108-08-by-National-Aeronaut-Administration-Nasa-.pdf

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