Malicious PDF — malware analysis report

Static analysis result for SHA-256 4ad42a4949c16f09…

MALICIOUS

PDF

42.9 KB Authoring application: Pdftk
MD5: d8353f966f47942d7dd562627a8ccfda SHA-1: 911325eb018359a25a8ddd60f75bada7d47a82f9 SHA-256: 4ad42a4949c16f0967cf83e0b845acf0cc62792d215d9af072574eb973637634
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains embedded URLs and text that mimic a download page for 'Dls 2020 apk apkpure', aiming to trick users into downloading further malicious content. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' and the ML classifier strongly indicate malicious intent, likely related to phishing or malware distribution. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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 https://fewevexevupubi.weebly.com/uploads/1/3/0/4/130476579/nutide.pdf
    • http://mialombardo2020.com/uploads/1/3/0/5/130550949/4086780.pdf
    • http://rawindianhairs.com/uploads/1/3/0/5/130540009/mexetore.pdf
    • http://neketabiv.begettest15.fun/uploads/2020/01/28/83381f68a4ed.pdf
    • https://notonuted.weebly.com/uploads/1/3/0/6/130605324/vedabopazugob.pdf
    • http://hello-baby-toys.com/uploads/1/3/0/3/130313524/130313524.html#dls+2020+apk++apkpure

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000010f8.bin
593ad4b8ba2583dce6c19c669fdc2bedc7258a3ab2d95c9def21ec379479277b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10F8 9856 bytes
font_01_sfnt_off00005d02.bin
fd5f80c928a41697f05a8a9d996a29eb187ea710f31dd7faa306f8bad5585866		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5D02 11444 bytes

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