Malicious PDF — malware analysis report

Static analysis result for SHA-256 424191f97d467057…

MALICIOUS

PDF

149.9 KB Authoring application: LibreOffice
MD5: 9ca49fc8988f3f20ea3cfb25ab13ce0d SHA-1: 44e049818cf7729098baa68f28f873a31b4f5ac6 SHA-256: 424191f97d4670571862582be716ca3165713f85e0b6628f44e726838a2a2168
92 Risk Score

Malware Insights

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

The file is a PDF document that contains embedded URLs pointing to other PDF files. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' and the ML classifier strongly indicate malicious intent, likely for phishing or malware distribution. The document body, though heavily obfuscated, contains references to medical guidelines and URLs, suggesting a lure to download further malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9936

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://merosound.com/uploads/1/3/0/7/130775123/3330923.pdf
    • http://accessmudjimbashores.com/uploads/1/3/0/7/130739099/4263166.pdf
    • http://camdenlawncare.com/uploads/1/3/0/3/130379158/7d772ecf19303.pdf
    • http://sibtender.net/uploads/1/3/0/7/130775884/5020606.pdf
    • http://cesartechnologiesltd.com/uploads/1/3/0/5/130551434/7218310.pdf
    • http://molletenglishconsulting.com/uploads/1/3/0/7/130739376/wenuxinonewoguvabe.pdf
    • http://lisascentralcoast.com/uploads/1/3/0/4/130483924/befok-nuzodexaz.pdf
    • http://seacareconsult.com/uploads/1/3/0/6/130621432/rifumopumabo-satuwuv.pdf
    • http://gabuxatovu.podarysam.ru/uploads/2020/01/28/zazobijuvebivatos.pdf
    • http://gigivangos.com/uploads/1/3/0/5/130551066/8959045.pdf
    • http://policetrailer.com/uploads/1/3/0/5/130539297/130539297.html#nice+guidelines+central+venous+catheters

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001436.bin
a98f69444bd280885b408a61da4dbe94a93dd2945282835b132d9ee297cb6834		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1436 8932 bytes
font_01_sfnt_off0000eb17.bin
6dc6e07f93ae70488a19e8a398a1c6cda2f5723fc3d3cbe180c5afbb10c3611e		 pdf-font-stream PDF embedded font (sfnt) at offset 0xEB17 2864 bytes
font_02_sfnt_off0001868a.bin
752bc4ef72fffd8d0c9ff6e862fac3efc5816d4c870e10879c552b8c89347cf7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1868A 16208 bytes

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