Malicious PDF — malware analysis report

Static analysis result for SHA-256 60800fb5cbd7febe…

MALICIOUS

PDF

42.2 KB Authoring application: Solid Converter PDF
MD5: c50d1f7d44834046e055660bfcd40485 SHA-1: 3d2d88896cafeda8f22210887408107726d14b6f SHA-256: 60800fb5cbd7febe4a8e7a6352b5e750ca80b8f0d08b7f7c151930ff77de5697
152 Risk Score

Malware Insights

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

The PDF contains a large number of embedded URLs pointing to other PDF files, a technique often used for SEO spam or to distribute malicious content. ClamAV and ML classifiers also flagged this file as malicious, specifically as a phishing or malware distribution attempt. The document body contains garbled text and references to 'Bheja fry 2 300mb', which appears to be a lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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://bangojango.me/uploads/2020/01/29/7605571.pdf
    • http://myajtraining.com/uploads/1/3/0/7/130740130/dezogomeboxekud.pdf
    • http://alterationstotnes.com/uploads/1/3/0/5/130588377/8824775.pdf
    • http://quantumlevelsoulhealing.com/uploads/1/3/0/4/130489149/942da0bf4b0080.pdf
    • http://yawslegin.com/uploads/1/3/0/2/130289311/9e5be532be57291.pdf
    • http://artofyiannipasamihalis.com/uploads/1/3/0/6/130603724/gerasal.pdf
    • http://myasia.com.my/uploads/1/3/0/4/130435743/9692541.pdf
    • http://moodlabnewlife.nl/uploads/1/3/0/5/130545885/130545885.html#bheja+fry+2+300mb
    • http://dejavu.sourceforge.net
    • http://dejavu.sourceforge.net/wiki/index.php/License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000115f.bin
d67999fb1d76a0c3f3aa309e142747abd6515b3ee89d813846c0f40e197f20c0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x115F 8724 bytes
font_01_sfnt_off00005e62.bin
27aa07fafa34f390fd27c2d133bfbd470628508205f6ffcdd42761d3d6ef5165		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5E62 16168 bytes

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