Malicious PDF — malware analysis report

Static analysis result for SHA-256 e04fbe75c81799af…

MALICIOUS

PDF

244.1 KB Created: 2021-04-04 09:22:17 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-07-10
MD5: 5fbcc7f8ae2afef17df6d9c8e7e4f2a3 SHA-1: f5e794ffed8d7eaeda129b56030884c27646093b SHA-256: e04fbe75c81799af5eeb68e0d39f223412e1eb9517349803980e34242c04dd4c
132 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document is designed as a phishing lure, presenting itself as a 'Roblox' hack generator. The heuristic 'PDF_IMAGE_LURE' indicates it's an image-only document with an action trigger, and the 'SE_DOWNLOAD_BUTTON' heuristic suggests a call-to-action phrase. The embedded URL points to a site offering 'Roblox' hacks, reinforcing the phishing theme. The 'SE_PASSWORD_ARCHIVE_LURE' heuristic suggests a common tactic to bypass gateway security by encrypting a payload, which is then likely delivered via the embedded URL.

Machine Learning

  • Nyx PDF Classifier clean score 0.1227

Heuristics 6

  • 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
  • Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
    PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 244 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
  • 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-roblox-hack-free-robux-generator PDF link annotation
    • https://fkg.usu.ac.id/images/hack-mui-dragon-ball-noob-roblox.pdfIn PDF document text
    • http://jackson-pr.com/images/how-to-get-a-free-ite-2021m-on-roblox.pdfIn PDF document text
    • http://bb-im2.com/images/roblox-hacks-big-paintball.pdfIn PDF document text
    • http://laboraltoledo.com/images/this-roblox-game-gives-you-free-robux.pdfIn PDF document text
    • https://vtvvaals.nl/images/cheat-indetectable-roblox-fly.pdfIn PDF document text
    • http://wireprod.net/images/how-to-hack-roblox-on-cheat-engine.pdfIn PDF document text
    • https://www.olboys.it/images/how-to-get-free-robux-november-2021.pdfIn PDF document text
    • http://armatrutz.de/images/hacker-set-a-pin-on-my-roblox-account.pdfIn PDF document text
    • http://hk-kan.org/images/roblox-bypass-swears-hack.pdfIn PDF document text
    • http://ims-77.fr/images/lyce-de-roblox-2-hack-director.pdfIn PDF document text
    • https://komakinosite.jp/images/how-do-you-get-free-stuff-on-roblox.pdfIn PDF document text
    • http://santeh-40.ru/images/how-hack-roblox-money.pdfIn PDF document text
    • http://www.zdravazena.sk/images/roblox-how-to-get-bloxburg-for-free.pdfIn PDF document text
    • http://principessalialaofegypt.com/images/hacks-for-dragon-ball-burst-roblox.pdfIn PDF document text
    • http://boliviagasenergia.com/images/roblox-counter-blox-roblox-offensive-hack-2021.pdfIn PDF document text
    • https://www.beaufortcollege.ie/images/how-to-get-robux-free-roblox-glitch-2021-savagery.pdfIn PDF document text
    • http://musical-arts.de/images/free-chain-download-for-roblox.pdfIn PDF document text
    • http://imp.lg.ua/images/hack-in-roblox-jailbreak-noclip.pdfIn PDF document text
    • http://swibome.nl/images/roblox-mad-city-season-4-hack.pdfIn PDF document text
    • https://www.lomrad.go.th/images/free-codes-for-assassin-roblox.pdfIn PDF document text
    • https://pa-waingapu.go.id/images/roblox-dll-hack-download.pdfIn PDF document text
    • https://enpav.it/images/changing-your-walkspeed-in-roblox-cheat-engine-2021.pdfIn PDF document text
    • http://wcasrock.org/images/adopt-me-hacks-on-roblox.pdfIn PDF document text
    • http://osteonad.com/images/how-to-get-20210-robux-free-on-phone.pdfIn PDF document text
    • http://pdapanache.com/images/how-to-use-cookie-stealer-to-hack-roblox.pdfIn PDF document text
    • http://www.actae.gr/images/can-you-cheat-in-roblox-flee-the-facility.pdfIn PDF document text
    • http://egorplitka.ru/images/roblox-hack-prank.pdfIn PDF document text
    • http://www.fanciullovito.it/images/free-roblox-premium-accounts.pdfIn PDF document text
    • http://autenticohostalsalou.com/images/roblox-elemental-dragon-tycoon-cheat-codes.pdfIn PDF document text
    • https://www.acoustiguard.com/images/roblox-vehicle-simulater-hacks.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_off00038026.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x38026 19160 bytes
SHA-256: 447478d62358ba0f9b1bb64ec392c1dbb9310f95841a82ec9cebe8488ca394d2
font_01_sfnt_off0003a826.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3A826 18124 bytes
SHA-256: 8607bcb56149cc59b67354272b06f581e85f62d588dbb8caced1c8685dc5cb0c

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