Malicious PDF — malware analysis report

Static analysis result for SHA-256 de40523d80cecdfe…

MALICIOUS

PDF

244.0 KB Created: 2021-04-04 09:52:15 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-07-13
MD5: 99a6245aff9c449ae96b1f89ad3dd97a SHA-1: 14eee8cb95b98344858e77d88fc6106933dd3119 SHA-256: de40523d80cecdfe04234544c36d8333ca614c9fedf7c54abf1bde9117c6c4e8
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file is identified as malicious by ClamAV with the signature Pdf.Phishing.Roblox062100-9873116-0. It employs an image-only lure, typical of phishing, with a call-to-action phrase to entice users to click on an external URL. The primary URL, http://gaminggenerator.org/app/431946152/roblox-free-gamepass-game, is likely the destination for this malicious activity, aiming to deliver a payload or phish for credentials.

Machine Learning

  • Nyx PDF Classifier clean score 0.1227

Heuristics 5

  • ClamAV: Pdf.Phishing.Roblox062100-9873116-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Roblox062100-9873116-0
  • 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-free-gamepass-game PDF link annotation
    • http://aiyta.com/images/roblox-prison-life-exploits-free-easy.pdfIn PDF document text
    • http://dos.most.gov.la/images/roblox-hack-stopped-working.pdfIn PDF document text
    • http://erntefest2016.de/images/roblox-cheat-engine-speed-hack-mac.pdfIn PDF document text
    • http://bit-sky.com/images/roblox-i-dont-feel-so-good-hacks.pdfIn PDF document text
    • http://ims-77.fr/images/free-roblox-harley-quinn.pdfIn PDF document text
    • http://stroygrad-spb.com/images/como-hackear-roblox-para-tener-robux-facil.pdfIn PDF document text
    • https://bapalaye.org/images/what-is-the-money-cheat-for-roblox.pdfIn PDF document text
    • http://www.remiauclair.fr/images/how-to-get-robux-without-bc-or-hacking.pdfIn PDF document text
    • http://lewishome.net/images/free-robux-3-pastbincom.pdfIn PDF document text
    • https://consorziocsa-asicaivano.it/images/barren-cheats-roblox.pdfIn PDF document text
    • http://hotel-buta.by/images/roblox-best-free-exploit-march-2021.pdfIn PDF document text
    • http://rushxpress.de/images/hack-roblox-murder-mystery-2-youtube.pdfIn PDF document text
    • http://www.prylfabriken.se/images/free-robux-2021-wiki.pdfIn PDF document text
    • https://tokunfome.com.br/images/free-robux-servery.pdfIn PDF document text
    • http://www.hotelcomelico.it/images/20210-robux-for-free.pdfIn PDF document text
    • http://giolantapepe.gr/images/roblox-4ll-cool-hack.pdfIn PDF document text
    • http://businessfit.com/images/roblox-plane-free.pdfIn PDF document text
    • https://www.eglihotel.gr/images/roblox-hacks-discusion.pdfIn PDF document text
    • http://harmonygardens.ca/images/roblox-video-games-for-free.pdfIn PDF document text
    • https://www.sitiwebjoomla.it/images/my-hero-bizarre-roblox-free-point.pdfIn PDF document text
    • http://solidkom.ch/images/roblox-space-outpost-tycoon-script-hack-2021.pdfIn PDF document text
    • https://lobergetart.se/images/hack-ninja-assassin-roblox.pdfIn PDF document text
    • http://imp.lg.ua/images/roblox-hack-gui-scripts.pdfIn PDF document text
    • https://www.albisser.ch/images/how-to-know-who-is-hacking-on-roblox-killing-everyone.pdfIn PDF document text
    • http://instrumenttut.by/images/roblox-free-online-no.pdfIn PDF document text
    • https://komakinosite.jp/images/free-robux-websites-that-work.pdfIn PDF document text
    • http://www.jureclomas.com.ar/images/how-to-get-free-robux-no-download-2021.pdfIn PDF document text
    • https://www.cfdcnv.com/images/nitro-fun-cheat-codes-vip-roblox-id.pdfIn PDF document text
    • https://www.acoustiguard.com/images/free-roblox-accounts-2021-july.pdfIn PDF document text
    • http://cristalysoptic.com/images/hack-robux-wok.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_off00037f72.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x37F72 19192 bytes
SHA-256: 247d397eba81c9702648f2d5b88c4e2db0b76b9df66f22309fab22ca763839a6
font_01_sfnt_off0003a7eb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3A7EB 18036 bytes
SHA-256: 639da7427499c43b18358a964f32f576ca1c7360da6bf47faec45b9604cc0084

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