Malicious PDF — malware analysis report

Static analysis result for SHA-256 ef6c05fe99c87a5f…

MALICIOUS

PDF

35.9 KB Authoring application: Nitro PDF
MD5: adc6d5868fd68ae77dd6a0268dd5506f SHA-1: 1fd551878c9d264e1ade3f92add9d102d51dc8cb SHA-256: ef6c05fe99c87a5f37ee36177c7da4410b9061197d98e8682513df34d0d74dff
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The file is a PDF document that contains multiple embedded URLs. The ML classifier and ClamAV detection strongly indicate malicious intent, specifically related to phishing. The embedded URLs likely lead to further malicious content or phishing pages, aiming to trick users into downloading additional malicious files or revealing sensitive information.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 3

  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://teamwrightbrothers.com/uploads/1/3/0/6/130621334/2575877.pdf
    • http://brownforillinois.com/uploads/1/3/0/5/130540619/nigufejejuwatabutejo.pdf
    • http://anorganizedadventure.com/uploads/1/3/0/4/130488506/2919726.pdf
    • http://orlandohobbyshop.com/uploads/1/3/0/6/130605012/7347180.pdf
    • http://thehnossaproject.com/uploads/1/3/0/8/130873975/130873975.html#icd+10+code+for+acute+on+chronic+renal+injury
    • http://thehnossaproject.com/uploads/1/3/0/8/130873975/130873975.html#icd+10+code+for+acute+on+chroni

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001072.bin
9abbecf6449b27f6e470aa29820d37156d2b4fa065aa09a2404981a42ac83afd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1072 8636 bytes

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