Malicious PDF — malware analysis report

Static analysis result for SHA-256 d5f7ea91d3a47072…

MALICIOUS

PDF

58.9 KB Created: 2021-04-05 19:01:00 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-24
MD5: 7d731f0b1c4d054bfbb54db6c25fee3f SHA-1: 968713a2faa4754a97446ef1ac093bdf0f98605f SHA-256: d5f7ea91d3a470723bc0a79f2a95b193b75b3b39c4f39493f5dbfb9fe156bc1d
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.001 User Execution: Malicious Link

The PDF document contains a lure impersonating Facebook, directing users to a URL that promises free Robux. This is a common tactic for credential phishing or to trick users into downloading further malicious content. The ML classifier also flagged this PDF as malicious, supporting the phishing and potential malware delivery intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7795

Heuristics 4

  • Brand-impersonation credential phishing lure high SE_BRAND_CREDENTIAL_PHISH
    Document impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: call-to-action link host does not match the impersonated brand: http://gaminggenerator.org/app/431946152/how-to-hack-awsomeeaglefox25-on-roblox.
  • 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/how-to-hack-awsomeeaglefox25-on-roblox PDF link annotation
    • http://jasperfirstumc.com/images/free-robux-code-2021-roblox.pdfIn PDF document text
    • https://tokunfome.com.br/images/free-animations-roblox-catalog.pdfIn PDF document text
    • https://dirigentigiustizia.it/images/free-robux-no-survey-no-password.pdfIn PDF document text
    • http://uctovnictvosnv.sk/images/obc-hack-roblox.pdfIn PDF document text
    • http://ernstgloves.co.il/images/promo-codes-for-free-stuff-roblox-2021.pdfIn PDF document text
    • https://www.quistschoenenhalsteren.nl/images/roblox-hack-2021-free.pdfIn PDF document text
    • https://www.stkdb.cz/images/free-robux-legit-website.pdfIn PDF document text
    • http://www.pcclawyers.com.au/images/roblox-jailbreak-hack-autorob.pdfIn PDF document text
    • http://seniorenverband-brh-nds.de/images/hack-roblox-hack.pdfIn PDF document text
    • http://santjoandelesabadesses.cat/images/how-to-hack-roblox-account-on-mobile-2021-easy.pdfIn PDF document text
    • https://www.academiaanticorrupcion.org/images/dgeler-rocach-earn-free-robux.pdfIn PDF document text
    • http://uptodate.az/images/free-giftcards-de-roblox.pdfIn PDF document text
    • http://selectionspdf.fr/images/free-robux-no-password-and-no-human-verification.pdfIn PDF document text
    • http://prodent.com.ua/images/roblox-what-do-do-when-account-hacked-and-then-terminated.pdfIn PDF document text
    • http://poltekkeskhjogja.ac.id/images/cheat-engine-roblox-tricks.pdfIn PDF document text
    • http://www.bernardisrl.eu/images/free-robux-giveaway-now.pdfIn PDF document text
    • http://drentklubben.se/images/free-robux-add-ons.pdfIn PDF document text
    • http://texnes-plus.gr/images/project-alpha-hack-roblox-download.pdfIn PDF document text
    • http://www.rezbb.sk/images/free-vip-roblox-account-that-really-work.pdfIn PDF document text
    • https://vtvvaals.nl/images/how-to-get-free-robux-dylan-grant.pdfIn PDF document text
    • http://behsanroshd.com/images/free-exploits-for-roblox-2021.pdfIn PDF document text
    • https://www.romedia.gr/images/counter-blox-roblox-offensive-exploit-hacks-by-autumn.pdfIn PDF document text
    • http://www.mosaikshop.at/images/free-robux-roblox-yolasite.pdfIn PDF document text
    • http://aeroclub-kaernten.at/images/deadzone-hacks-roblox.pdfIn PDF document text
    • https://www.hotschool.com.au/images/how-to-hack-linkmon99-roblox-account.pdfIn PDF document text
    • http://76remont-kvartir.ru/images/roblox-dashing-simulator-hack-script-pastebin-2021.pdfIn PDF document text
    • http://haertetechnik-steinbach.de/images/roblox-phantom-forces-hack-reddit.pdfIn PDF document text
    • http://adues.org/images/how-to-use-cheat-engine-on-roblox-2021.pdfIn PDF document text
    • http://kita-sunshine.de/images/roblox-catalog-free-pastebin.pdfIn PDF document text
    • http://www.mjclautrec.fr/images/robux-hack-codes-2021.pdfIn PDF document text
    • http://bibliotheque-perrigny-les-dijon.fr/images/how-to-hack-stats-in-roblox-games.pdfIn PDF document text
    • https://www.nema.go.ke/images/roblox-muscle-t-shirt-free.pdfIn PDF document text
    • http://g3galileo.com/images/roblox-promocode-hacks-pastebin.pdfIn PDF document text
    • https://www.nema.go.ke/images/roblox-robux-hack-2021-october.pdfIn PDF document text
    • http://safeandsecurelocksmith.ca/images/free-crimson-winter-scarf-roblox.pdfIn PDF document text
    • https://laconce.com/images/anarchy-roblox-hack.pdfIn PDF document text
    • http://akademiatenisa.org/images/roblox-snippet-hack.pdfIn PDF document text
    • https://www.stkdb.cz/images/roblox-best-hack-clients-virus-free.pdfIn PDF document text
    • https://domoticaaplicada.com/images/how-to-get-free-hair-on-roblox-no-inspect-element.pdfIn PDF document text
    • http://echosvoix.ch/images/roblox-promo-codes-for-free-stuff.pdfIn PDF document text
    • http://www.brtes.com/images/how-to-make-your-roblox-game-famous-for-free.pdfIn PDF document text
    • https://enpav.it/images/roblox-com-free-draw.pdfIn PDF document text
    • https://consorziocsa-asicaivano.it/images/free-flying-practice-place-roblox-a380.pdfIn PDF document text
    • http://sealysports.com/images/free-robux-real-2021-no-human-verification.pdfIn PDF document text
    • http://www.visiblefilm.com/images/bloxland-free-robux-no-human-verification.pdfIn PDF document text
    • http://optiquedelavaunage.com/images/hack-roblox-rose.pdfIn PDF document text
    • https://www.romedia.gr/images/how-to-speed-hack-on-roblox-without-cheat-engine-2021.pdfIn PDF document text
    • http://agritrade-ukraine.com/images/cheat-engine-change-stat-roblox.pdfIn PDF document text
    • http://pourvosvacances.com/images/roblox-hack-script-game-guardian.pdfIn PDF document text
    +15 more URL(s)

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off000082d6.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x82D6 26676 bytes
SHA-256: e80e340a81ff7d3e2f52817a087f0a75f6fcf302f615b67fa9ad28ccb6674623
font_01_sfnt_off0000c0d5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC0D5 18880 bytes
SHA-256: 7ee6f5bfd0c5bca0d3482859cbaff6542af6cb04ac60e7f9dae135d78a11b1b8