Malicious PDF — malware analysis report

Static analysis result for SHA-256 b1cd975cd751ea64…

MALICIOUS

PDF

46.1 KB Authoring application: ImageMagick First seen: 2020-09-24
MD5: 3918d747459a8b8c6a7e056697e3679f SHA-1: c7ac44b70b3fb87b6b5f8f081164b52590febdb7 SHA-256: b1cd975cd751ea64f22d99f68875c664f51292b7c1058b5c320298e62e9c14f1
102 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The file was detected as malicious by ClamAV with the signature Pdf.Phishing.TtraffRobotInstall-7605656-0, indicating a phishing attempt. The presence of a visual download button and multiple embedded URLs pointing to PDF files suggests a lure to download further malicious content. The ML classifier also strongly flagged this PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 4

  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://amychurmt.com/uploads/1/3/0/4/130477839/vimagisezudu.pdf PDF link annotation
    • http://bloom-yourownway.com/uploads/1/3/0/2/130289663/laxajevik.pdfIn PDF document text
    • http://wigubuvel.ecoopower.com/uploads/2020/01/28/8986489.pdfIn PDF document text
    • http://now-colander.com/uploads/1/3/0/3/130379132/e8e3bd16.pdfIn PDF document text
    • http://readysetgrowpreschooldaycare.com/uploads/1/3/0/5/130551586/9401535.pdfIn PDF document text
    • http://cecilyeiferle.com/uploads/1/3/0/2/130274017/130274017.html#human+anatomy+atlas+2018+free++iosIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
    • https://fedoraproject.org/wiki/Licensing/LiberationFontLicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000127e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x127E 9012 bytes
SHA-256: 7540e4761318236cebf747b6e9db729bc57661dcdfde12a13787fbaec07cb13c
font_01_sfnt_off000065b6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x65B6 16036 bytes
SHA-256: 779aa567746046747dac965df7fdfb06ff632674a0a99ce247a327bf89f0fa63
font_02_sfnt_off000079cd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x79CD 2600 bytes
SHA-256: 41d5c9cb4d60b7530e3cfd93a78efd430fe179aa57a8296e74fb8a971da4b0ee

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