Malicious PDF — malware analysis report

Static analysis result for SHA-256 49bdff2f74c0bb3b…

MALICIOUS

PDF

244.3 KB Created: 2021-04-04 10:43:50 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 56f4de3cf4e9f0a46523637c738e5247 SHA-1: 29acd3c936f19420332daebc49c9e69ac19c0fa0 SHA-256: 49bdff2f74c0bb3bbea7981828636423f02e89ee01d2fa02dbe79c9cec9a37f0
72 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious File

The file is identified as malicious by ClamAV with a specific signature indicating it is a phishing attempt related to Roblox. The document contains a visual lure for a download button and an embedded URL pointing to a site offering 'free cool stuff on Roblox', reinforcing the phishing pretext. The presence of numerous related URLs further supports the phishing campaign.

Machine Learning

  • Nyx PDF Classifier clean score 0.1227

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/free-cool-stuff-on-roblox
    • https://www.foodsafety.cz/images/roblox-r7-hack-2021.pdf
    • https://komakinosite.jp/images/roblox-robux-money-hack-tool-generator.pdf
    • http://rushxpress.de/images/hack-dragon-ball-z-roblox.pdf
    • http://www.gravel.ru/images/roblox-be-crushed-by-a-speeding-wall-hack-script.pdf
    • http://energotestcontrol.ru/images/roblox-with-cheat-engine.pdf
    • http://pasqualeferorelli.it/images/roblox-royalty-free-music-ominous-60.pdf
    • http://www.beantownlimo.com/images/robux-hack-without-human-verification.pdf
    • http://www.pacoestrada.it/images/robux-free-gift-card.pdf
    • http://www.kalaaliaraq.dk/images/code-to-make-things-free-on-roblox.pdf
    • http://museumkk.ru/images/how-to-sell-roblox-items-for-free.pdf
    • http://bit-sky.com/images/hack-de-roblox-dinero-infinito-en-rocitizens.pdf
    • https://www.air-shop.cz/images/roblox-lumber-tycoon-hacks.pdf
    • http://www.gadanie.lv/images/roblox-btools-hack-exploit.pdf
    • http://apostolosandreaslemesou.com/images/good-free-stuff-on-roblox.pdf
    • http://www.campiresine.it/images/free-hacks-for-roblox-2021.pdf
    • http://androidthai.in.th/images/roblox-natural-disaster-survival-how-to-get-free-balloon.pdf
    • http://bwharrisalumniusa.org/images/how-to-hack-roblox-apocalypse-rising-2021.pdf
    • https://scraperite.com/images/cheat-codes-for-roblox-royale-high-android.pdf
    • http://serviio.org/images/how-to-free-robux-on-roblox.pdf
    • http://gops.pruszczgdanski.pl/images/apps-that-get-you-free-robux.pdf
    • http://bkd1.balikpapan.go.id/images/hack-roblox-fy.pdf
    • http://www.rezbb.sk/images/hack-gen-roblox.pdf
    • http://safari-crimea.com/images/youtube-how-to-get-free-robux-without-human-verifaction.pdf
    • http://stomatolog-choszczno.pl/images/ultimate-roblox-hacking-robux.pdf
    • https://rincondelentrenador.com/images/how-to-get-free-robux-fake-card.pdf
    • http://technologicalsc.com/images/free-codes-for-roblox-mineing-sim.pdf
    • http://www.mosaikshop.at/images/roblox-german-flag-t-shirt-free.pdf
    • http://www.friendshiptransport.net/images/cheats-for-tower-battles-roblox.pdf
    • https://tokunfome.com.br/images/http-wwwfree-robuxcom.pdf
    • http://centuriatus.com/images/robux-hack-2021-real-no-human-vertification.pdf
    • https://www.semrush.com/prices/
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00038055.bin
5cd658e487efb23f01956ee49398d48a1afc6f2b5021fcb73e8115515177207f
pdf-font-stream PDF embedded font (sfnt) at offset 0x38055 19496 bytes
font_01_sfnt_off0003a9d1.bin
fdbaa3569d55df9f9e91205d10f6725655ffb8ad7453ed3b091466b008311337
pdf-font-stream PDF embedded font (sfnt) at offset 0x3A9D1 17748 bytes