Malicious PDF — malware analysis report

Static analysis result for SHA-256 4b32ad86ee1a3d22…

MALICIOUS

PDF

239.1 KB Created: 2021-04-05 06:10:23 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-08-25
MD5: cd6b592867ac0c85a34b8edd9fbcad98 SHA-1: 3a5f5585fb2b7948ac3f9cb5fd891c3d1ada1258 SHA-256: 4b32ad86ee1a3d223248f9756ffde394c5d45070b34350478f4aae5fd62689b2
142 Risk Score

Malware Insights

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

The file is a PDF document detected by ClamAV as 'Pdf.Phishing.Roblox062100-9873116-0', indicating a phishing lure related to Roblox. The document contains a URL pointing to a "robux hack" and heuristics suggest it's designed to trick users into downloading something, possibly by presenting a fake download button or requiring a password for an archive. The presence of a malicious URL and the phishing lure strongly suggest a malicious intent to trick users into executing a secondary payload.

Machine Learning

  • Nyx PDF Classifier malicious score 0.5773

Heuristics 5

  • ClamAV: Pdf.Phishing.Roblox062100-9873116-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Roblox062100-9873116-0
  • Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
    Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
  • 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/robux-hack-2p PDF link annotation
    • https://www.academiaanticorrupcion.org/images/roblox-marketplace-sell-for-free.pdfIn PDF document text
    • https://www.audipec.com.br/images/hacks-for-roblox-2021.pdfIn PDF document text
    • http://karolinaherrera.com/images/real-robux-hack-2021.pdfIn PDF document text
    • http://innovativefs.co.uk/images/how-to-hack-people-roblox-real.pdfIn PDF document text
    • http://hindicenter.com/images/how-to-hack-an-acount-on-roblox.pdfIn PDF document text
    • http://force-seniorklub.dk/images/good-avatars-for-free-in-roblox.pdfIn PDF document text
    • http://webstan.be/images/robux-pastebin-hack-2021.pdfIn PDF document text
    • http://iacovoulaw.com/images/cupcake-hack-roblox-jailbreak.pdfIn PDF document text
    • http://5346000.com/images/how-to-get-free-robux-2021-no-human-verification-pc.pdfIn PDF document text
    • https://raduzhnyj.od.ua/images/free-robux-without-human-verification-2021.pdfIn PDF document text
    • http://piadaandco.it/images/free-money-in-mad-city-in-roblox.pdfIn PDF document text
    • http://greenoase.be/images/how-to-go-through-everything-in-roblox-cheat-engine.pdfIn PDF document text
    • https://verdensbarn.no/images/clothes-that-are-free-on-roblox.pdfIn PDF document text
    • http://gbp-trabkiwielkie.pl/images/how-to-get-free-robux-real-2021.pdfIn PDF document text
    • http://grahambettsmotors.com/images/roblox-hack-executor.pdfIn PDF document text
    • http://www.isril.it/images/how-to-money-hack-roblox-blackhawk-rescue-mission.pdfIn PDF document text
    • http://babyxpress.de/images/free-roblox-sigh-in.pdfIn PDF document text
    • http://scuttworksdesigns.us/images/roblox-com-free-for-mobile-24-com.pdfIn PDF document text
    • http://rumler.pl/images/how-to-hack-old-rb-world-roblox.pdfIn PDF document text
    • http://intrasservices.com/images/how-to-get-free-robux-no-hack-no-pastebin.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

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

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000369b7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x369B7 21368 bytes
SHA-256: 204c48ae499e70119dcf3a32cca9517159ea4c3ee8fb55b896850dccf54ab042
font_01_sfnt_off00039844.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x39844 17636 bytes
SHA-256: 561f1987ad004b29bbe404e03b99017f14e89aeed3f9214ebea06fc40261d13e

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