Malicious PDF — malware analysis report

Static analysis result for SHA-256 c1b7101cfa8266f2…

MALICIOUS

PDF

239.6 KB Created: 2021-04-05 01:56:08 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-23
MD5: d1678670ef5c821ae076a50ab1f14779 SHA-1: f9a612c584812c7a84546f641d7105ec33199999 SHA-256: c1b7101cfa8266f2e230eb83df64eaa6034c8f62eb406107e92dcd29af72501a
102 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.5773

Heuristics 4

  • ClamAV: Pdf.Phishing.Roblox062100-9873116-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Roblox062100-9873116-0
  • 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://gaminggenerator.org/app/431946152/roblox-high-school-cheat-codes PDF link annotation
    • http://sdservicesrl.it/images/how-to-get-free-shirts-on-roblox-without-bc.pdfIn PDF document text
    • https://www.najeebqasmi.com/images/hack-speed-vehicle-simulator-roblox.pdfIn PDF document text
    • http://eddieblum.nl/images/noclip-roblox-cheat-engine-2021.pdfIn PDF document text
    • http://zarinnameh.ir/images/free-pin-to-redeem-roblox.pdfIn PDF document text
    • http://harmonygardens.ca/images/free-card-giver-roblox.pdfIn PDF document text
    • http://gops.pruszczgdanski.pl/images/how-to-get-free-turbo-builders-club-on-roblox.pdfIn PDF document text
    • https://amatq.ca/images/how-to-get-free-robux-without-human-verification-or-survey.pdfIn PDF document text
    • http://babbibooth.com/images/roblox-free-robux-code-2021.pdfIn PDF document text
    • https://www.stayon.no/images/free-items-on-roblox-hack.pdfIn PDF document text
    • http://www.comitatoiseo.org/images/free-roblox-hacks-co.pdfIn PDF document text
    • https://www.alu-as.cz/images/how-to-hack-robux-without-human-verification.pdfIn PDF document text
    • http://www.prylfabriken.se/images/roblox-pizza-game-hacks.pdfIn PDF document text
    • http://prohsa.com/images/what-roblox-is-good-about-hacked-account.pdfIn PDF document text
    • http://www.beantownlimo.com/images/how-to-get-free-robux-and-tix-on-ipad.pdfIn PDF document text
    • http://vedrachemicals.ro/images/emirtus-hack-roblox.pdfIn PDF document text
    • http://hydroconseil.com/images/gengreating-free-roblox-redeem-codes.pdfIn PDF document text
    • http://adues.org/images/robeats-roblox-hack.pdfIn PDF document text
    • http://safwafurniture.com/images/azon-hack-roblox.pdfIn PDF document text
    • http://www.arredifunebri.com/images/roblox-lumber-tycoon-2-script-hack.pdfIn PDF document text
    • http://instrutech.co.th/images/arsenal-hacks-roblox-2021.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000369dc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x369DC 21332 bytes
SHA-256: 2c9ca1354619ab8346ace752645011bcc1585aaab9e4d5b8e441b56e6651b556
font_01_sfnt_off00039859.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x39859 18272 bytes
SHA-256: b431d0b61c3599caff58e7f960f596f7c89b7b4da842a6382a97f6035b05c27d

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