Malicious PDF — malware analysis report

Static analysis result for SHA-256 240759bf79f61418…

MALICIOUS

PDF

53.9 KB Authoring application: LibreOffice First seen: 2020-09-15
MD5: 37ee31c93ec18ea78a395591522270d5 SHA-1: 6052649b01ff25675e8c8790270dd59296c6fdf1 SHA-256: 240759bf79f61418c98a103eb299c655536f7dd85fa2feed9dbbf6ff6a3690c9
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains multiple embedded URLs, with the primary one being http://casashark.com/uploads/1/3/0/6/130639534/zajuto.pdf. Heuristics indicate this is a callback phishing lure, and ClamAV detected it as Pdf.Phishing.TtraffRobotInstall-7605656-0. The document body, though partially corrupted, mentions 'Vedic astrological chart free' and includes several suspicious URLs, suggesting a social engineering attempt to direct users to malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 4

  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
  • 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://casashark.com/uploads/1/3/0/6/130639534/zajuto.pdf PDF link annotation
    • https://gofugubax.weebly.com/uploads/1/3/0/3/130313306/3597835.pdfIn PDF document text
    • http://nicoleadriennephotography.com/uploads/1/3/0/3/130313057/vijif.pdfIn PDF document text
    • http://nuobeijing.devsite-1.com/uploads/1/3/0/6/130621826/130621826.html#vedic+astrological+chart+freeIn PDF document text
    • http://fedorahosted.org/lohitIn PDF document text
    • https://savannah.gnu.org/projects/freefont/In PDF document text
    • http://www.gnu.org/licenses/In PDF document text
    • http://www.gnu.org/copyleft/gpl.htmlIn PDF document text
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Related samples 8

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

Full JSON: related samples API

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00000fba.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFBA 8512 bytes
SHA-256: 40a0fa40448af0f42659e6a2fee8a70df6e1629bdcefe8bb56f0c50f75bcd6ca
font_01_sfnt_off00006c79.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6C79 1388 bytes
SHA-256: 1723f1ced37cc89d69e30f3df6281c5e5fb8989544fd4587aa75b00c91af2fd0
font_02_sfnt_off00007476.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7476 9228 bytes
SHA-256: 9c53cf206eaf826a3b987a7bed94d6206a43e0e3c902788763f86e1544eb08b2
font_03_sfnt_off00008c78.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8C78 16144 bytes
SHA-256: 45c39c4315a5d00962143d4102937301eb2649728d6de39b959633cfc30365c3

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