Malicious PDF — malware analysis report

Static analysis result for SHA-256 5f3139856f66fa02…

MALICIOUS

PDF

34.3 KB Authoring application: Solid Converter PDF
MD5: 22bde0b517a8ad9c6bc684e33a022c72 SHA-1: 6f87b7e9501d6817405cdd807f45e288bd6610df SHA-256: 5f3139856f66fa028acb5e4ea69e231740fb7ec1dbd0fd54e9dcd0b481ce616c
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links to external PDF files hosted on various domains, as indicated by the PDF_SEO_LINK_FARM heuristic. This suggests a tactic to manipulate search engine results or distribute malicious content. The ML classifier and ClamAV detection further support its malicious nature, classifying it as phishing or malware.

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://bestresult.space/uploads/1/3/0/7/130776167/gunitatabulezufopo.pdf
    • http://ktsky1.com/uploads/1/3/0/5/130589420/a7713e5d.pdf
    • http://74-123-76-25.mgwnet.com/uploads/1/3/0/6/130639668/rajovaxem.pdf
    • http://74-123-73-243.mgwnet.com/uploads/1/3/0/5/130543462/sirame.pdf
    • http://organicbundle.com/uploads/1/3/0/6/130620952/822c830d46.pdf
    • http://www.officialkloudmanagement.com/uploads/1/3/0/5/130542924/42bbb86873a2.pdf
    • http://www.redthreadtour.org/uploads/1/3/0/3/130313404/sofaxisuvug_govifafe_vapuxewasokefa_pomavovuvo.pdf
    • http://my-battalion.com/uploads/1/3/0/5/130538995/424136.pdf
    • http://www.simplyproofreading.com/uploads/1/3/0/4/130483670/5df4590f8a6f70.pdf
    • http://hostmaster.kirstenkinsey.com/uploads/1/3/0/2/130291922/dawapomebe.pdf
    • http://jeffstackle.com/uploads/1/3/0/4/130477455/visenagasuzajenox.pdf
    • http://bailefangyulechengkaihudizhi.br3h.com/uploads/1/3/0/2/130270804/130270804.html#sap+bpc+migration+from+7.5+to+10.1

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002f30.bin
bc75a61f57d1bc1c0e399b9492ef89dbdf4d11a6532ee5f8cf384b2c42b39014		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2F30 7880 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.