Malicious PDF — malware analysis report

Static analysis result for SHA-256 c3ec9b1a45c5c105…

MALICIOUS

PDF

319.2 KB Authoring application: OpenOffice.org First seen: 2020-09-07
MD5: 5097c4254faf62ed133f94a2de7ec550 SHA-1: f0a0a1692808bd6eaf812e019520df27c87c9b31 SHA-256: c3ec9b1a45c5c105a13229b58fc608d5b3f834b22b42a4618fdcc0fd57a8db3d
162 Risk Score

Malware Insights

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

The file is a PDF document that exhibits multiple lures consistent with phishing and business email compromise tactics. Specifically, it contains fake invoice/payment language and describes new or changed bank instructions, aiming to trick the user into downloading a malicious PDF from an external URL. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports its malicious nature.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8403

Heuristics 6

  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • Payment redirection / bank-detail change lure high SE_PAYMENT_REDIRECT_LURE
    Document describes new or changed bank, wire, ACH, IBAN, SWIFT, or routing instructions — a high-value business-email-compromise pattern
  • 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.
  • Fake invoice / payment lure low SE_INVOICE_LURE
    Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
  • 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://solopianostylings.com/uploads/1/3/0/5/130543106/lewerega-rerapib-gibafefurojerij-xabirez.pdf PDF link annotation
    • http://reenchant.com/uploads/1/3/0/4/130488688/xifivo.pdfIn PDF document text
    • http://ezatransportation.com/uploads/1/3/0/3/130379226/4107144.pdfIn PDF document text
    • http://getitgatorauto.com/uploads/1/3/0/5/130588703/sotigozuweb.pdfIn PDF document text
    • http://noblevisioncenter.net/uploads/1/3/0/2/130287289/ginagutazeduwa.pdfIn PDF document text
    • http://nalol.begettest14.fun/uploads/2020/01/29/xafemex-naribujofix-gutibizawipu.pdfIn PDF document text
    • http://atlantadrummethod.com/uploads/1/3/0/6/130621532/pifapi.pdfIn PDF document text
    • http://acc-guhotelandconferencecenter.com/uploads/1/3/0/2/130270966/dfea0fb2f47effc.pdfIn PDF document text
    • http://briannamalottinteriors.com/uploads/1/3/0/7/130776101/ba828f7b4a85.pdfIn PDF document text
    • http://monto.com.mx/uploads/1/3/0/5/130588803/dumik.pdfIn PDF document text
    • http://dancinggoatsanctuary.com/uploads/1/3/0/2/130289225/130289225.html#bhaag+milkha+bhaag+songs++mr+jattIn 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
    • http://www.adobe.com/).NotoIn PDF document text
    • http://www.google.com/get/noto/http://www.adobe.com/type/ThisIn PDF document text
    • http://scripts.sil.org/OFLNotoIn 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_off0000178a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x178A 10248 bytes
SHA-256: cfedef84bc572b0e07144aa5c364e04529634623013b498f3a2831bf46db563b
font_01_sfnt_off0000893d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x893D 17760 bytes
SHA-256: 3937e4ffbd6f4e83b65bd7cdef4ace17566e3b4e9c1caa0816e32d3fbd97f127
font_02_sfnt_off00012880.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12880 2600 bytes
SHA-256: 41d5c9cb4d60b7530e3cfd93a78efd430fe179aa57a8296e74fb8a971da4b0ee
font_03_sfnt_off0004376f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4376F 4068 bytes
SHA-256: 66495800c3033db752395888c57a2472d7780c6e20f93c23d8607484346c200d

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