Malicious PDF — malware analysis report

Static analysis result for SHA-256 c6818d5d7aaae36c…

MALICIOUS

PDF

43.9 KB Authoring application: Poppler-utils
MD5: a02d3ab292e812f9d195b67cc362c048 SHA-1: 78edb2712f9520a5bcbce88c2463972df49dd800 SHA-256: c6818d5d7aaae36c9568a0261fa7e81acb6b1c4751a8e31cffec61a8fbb0843a
92 Risk Score

Malware Insights

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

The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' and the presence of multiple embedded URLs strongly indicate a phishing attempt. The document body, though containing garbled text, also includes one of the malicious URLs, reinforcing the lure. The primary attack pattern involves directing the user to download a further malicious PDF.

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 http://craftandcorkkitchen.com/uploads/1/3/0/5/130588714/4598199.pdf
    • http://theanxietyproject.org/uploads/1/3/0/5/130539297/wukodud.pdf
    • http://kelseyelizabethphoto.com/uploads/1/3/0/5/130588494/simigadesotafidofa.pdf
    • http://mrssheltonsclassroomeghs.com/uploads/1/3/0/6/130621312/3359983.pdf
    • http://mycryosculpt.com/uploads/1/3/0/6/130639313/tesedoxobo.pdf
    • http://antiviruseprotectserviceonline.site/uploads/1/3/0/2/130272928/130272928.html#mixed+aldol+condensation+enolate

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000010e2.bin
680be0b8d51940d77ca07df1e8f11e3f95202448faba008c186ae456554dd4cb		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10E2 9180 bytes
font_01_sfnt_off00006edb.bin
bfa6bc885d477a7ce14e0d20dbf16e2f7702ec68079bc150954b727a1faf25b6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6EDB 3380 bytes

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