Malicious PDF — malware analysis report

Static analysis result for SHA-256 6e264dc4305df8e9…

MALICIOUS

PDF

38.1 KB Authoring application: OpenOffice Draw
MD5: 01272333238f8da8cf461accb5b2fcb2 SHA-1: 8cd78473e90b7fdc7fcf5292bb64ab94fd4ec8e0 SHA-256: 6e264dc4305df8e918a22839b43b041dcd98f060df8f32696080e8499a3167cf
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF was flagged by multiple heuristics, including ClamAV and an ML classifier, indicating malicious intent. The primary finding is a large number of embedded external links, suggesting a link farm or redirection scheme. While no scripts were explicitly extracted, the PDF structure and embedded URLs point towards a phishing or SEO manipulation attack. The document body content appears to be corrupted or irrelevant.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • 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.
  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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://007bondband.com/uploads/1/3/0/6/130620801/caf4cf560.pdf
    • http://soloporque.org/uploads/1/3/0/6/130639251/71689a7e6.pdf
    • http://aligrovue.com/uploads/1/3/0/5/130550971/66668.pdf
    • http://minebrewery.com/uploads/1/3/0/4/130489997/ruduvovilumad.pdf
    • http://guxadurek.goodbreak.ru/uploads/2020/01/28/3860589.pdf
    • http://charhdofcarmelbythesea.com/uploads/1/3/0/5/130545333/03b6b99fe7.pdf
    • http://gameofthronesofmuppets.com/uploads/1/3/0/6/130621673/326fc1e.pdf
    • http://teshekpuklake.com/uploads/1/3/0/4/130476322/1e403803c8f.pdf
    • http://wildpanzy.com/uploads/1/3/0/3/130379475/b222381.pdf
    • http://misiupapier.com.au/uploads/1/3/0/4/130483629/771513.pdf
    • http://amaebellingham.com/uploads/1/3/0/5/130589135/48eb17af4e596.pdf
    • http://reboundat.com/uploads/1/3/0/2/130272094/130272094.html#low+abdominal+pain+pregnancy+first+trimester

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001260.bin
a75a691f99ccfe1c278ae1ed41157ef5930a04be1c694b3301e659b416f1ad24		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1260 7844 bytes

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