Malicious PDF — malware analysis report

Static analysis result for SHA-256 80882890b821c910…

MALICIOUS

PDF

245.0 KB Created: 2021-04-04 11:59:16 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-18
MD5: ce38e890868dc5253e96aeef987530fb SHA-1: 6e0256c36cd7c83603b9b90307a33a4a1f4b8dc0 SHA-256: 80882890b821c9100ac33ad1926741b606ab1b18a7c340454e8ba6b178727f4c
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document is identified as malicious by ClamAV with a specific phishing signature related to Roblox. Heuristics indicate it's an image-based lure designed to trick users into clicking an external URI, specifically http://gaminggenerator.org/app/431946152/free-roblox-accounts-2021-with-robux-generator, which is presented as a Robux generator. This pattern strongly suggests a phishing or scam attempt.

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 245 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/free-roblox-accounts-2021-with-robux-generator PDF link annotation
    • http://www.inservis.cl/images/mistplay-free-robux.pdfIn PDF document text
    • http://www.anies.eu/images/builda-a-boat-for-treasure-roblox-hack.pdfIn PDF document text
    • https://www.ukrtrans.biz/images/roblox-how-to-upload-audio-free.pdfIn PDF document text
    • http://www.lovecraftiana.com.ar/images/roblox-ios-free-robux.pdfIn PDF document text
    • http://wireprod.net/images/free-items-roblox-hack.pdfIn PDF document text
    • http://hemmet-strand.dk/images/be-hacks-to-use-for-no-clipping-in-roblox.pdfIn PDF document text
    • http://www.homesweethome.pl/images/uribx-club-roblox-hack.pdfIn PDF document text
    • https://technospektr.com.ua/images/roblox-exploit-mega-nz-free-emperor-roblox-hack-mega-nz.pdfIn PDF document text
    • http://ff-obertraun.at/images/knife-hack-for-assassin-roblox.pdfIn PDF document text
    • http://www.vktzunami.cz/images/how-to-get-free-robux-2021-kazok.pdfIn PDF document text
    • http://ff-obertraun.at/images/how-to-cheat-in-unboxing-simulator-roblox.pdfIn PDF document text
    • http://aeroclub-kaernten.at/images/free-robux-generator-no-human-verification-2021-ios.pdfIn PDF document text
    • http://consultinggirona.es/images/how-to-get-free-robux-latest-by-robuxian.pdfIn PDF document text
    • http://iacovoulaw.com/images/how-to-use-table-cheat-engine-roblox.pdfIn PDF document text
    • http://dos.most.gov.la/images/skidmax-roblox-hack.pdfIn PDF document text
    • http://www.isril.it/images/roblox-cheat-engine-codes-2021.pdfIn PDF document text
    • http://www.malonmalon.com.ar/images/free-roblox-promo-codes-october-2021.pdfIn PDF document text
    • http://lillysonthelake.com/images/quel-touche-faire-pour-avoir-le-free-code-dans-roblox.pdfIn PDF document text
    • https://www.foodsafety.cz/images/free-roblox-download-for-windows-10.pdfIn PDF document text
    • http://pia2000.net/images/speed-hack-roblox-code.pdfIn PDF document text
    • http://baah.ca/images/how-to-get-free-robux-fast-and-easy-2021.pdfIn PDF document text
    • https://www.utalii.ac.ke/images/1b-robux-hack.pdfIn PDF document text
    • http://www.arredifunebri.com/images/tat-ca-cac-do-free-trong-roblox.pdfIn PDF document text
    • http://standart-lab.ru/images/how-to-get-free-robux-and-builders-club.pdfIn PDF document text
    • http://schrichte.de/images/get-robux-free-now.pdfIn PDF document text
    • http://lewishome.net/images/hack-robux-2021-pc.pdfIn PDF document text
    • http://posterprintshop.nl/images/hack-the-robux-2021-pastebin.pdfIn PDF document text
    • https://jdlgroup.ca/images/furky-roblox-hacks.pdfIn PDF document text
    • https://beejekorf.nl/images/free-ebay-roblox-accounts.pdfIn PDF document text
    • http://berntfoto.dk/images/robux-hack-xbox-one.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_off00038006.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x38006 19288 bytes
SHA-256: 835e1f356fa3d434f9fa90c353f52664e52feb5502efbf5397e1528118cf1d29
font_01_sfnt_off0003a8c0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3A8C0 19032 bytes
SHA-256: 64598d5826aec9306b45f7b64309e46376bebec5ca0813690e24837d066dae0b

Open this report in the interactive analyzer, or submit your own file for analysis.