Malicious PDF — malware analysis report

Static analysis result for SHA-256 8076a07513b0ef20…

MALICIOUS

PDF

57.0 KB Created: 2021-04-05 19:24:39 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-14
MD5: a9241327213d7f14a6b71b8af0aca36d SHA-1: 50b6f815a46990c502671f43ae3e68a9b035a255 SHA-256: 8076a07513b0ef20e81e656763533085be967d0da0db8465a09faa6e02682869
82 Risk Score

Malware Insights

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

The PDF document contains a lure impersonating the Amazon brand, directing users to a "Free Robux Generator Activation Code" page. The embedded link, http://gaminggenerator.org/app/431946152/free-robux-generator-activation-code, does not match the impersonated brand, indicating a credential phishing or malicious download attempt. The ML classifier also flagged this PDF as malicious.

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/free-robux-generator-activation-code.
  • 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-robux-generator-activation-code PDF link annotation
    • http://safwafurniture.com/images/how-to-hack-2021-acc-roblox.pdfIn PDF document text
    • http://dshikr.ru/images/how-to-get-free-robux-mythical-chaos.pdfIn PDF document text
    • https://www.milewood.co.uk/images/free-robux-ge.pdfIn PDF document text
    • http://sandra-masemann.de/images/free-robux-no-human-verification-or-survey-2021-on-android.pdfIn PDF document text
    • http://bunadsmaria.com/images/roblox-dragon-ball-super-2-hack.pdfIn PDF document text
    • https://www.cosmosdawn.net/images/roblox-cheats-how-to-get-unlimited-robux.pdfIn PDF document text
    • https://consorziocsa-asicaivano.it/images/hacks-roblox-2021.pdfIn PDF document text
    • https://servotecnica.com/images/how-to-get-free-robux-new-2021.pdfIn PDF document text
    • http://genialica.de/images/get-free-robux-for-real.pdfIn PDF document text
    • https://www.sitiwebjoomla.it/images/free-dominus-roblox-console.pdfIn PDF document text
    • http://firstaidacademy.be/images/new-free-robux-hack-pastebin.pdfIn PDF document text
    • http://alpen-seeblick.at/images/robuxian-free-robux-website.pdfIn PDF document text
    • http://sscclc.edu.ec/images/roblox-games-download-free-pc.pdfIn PDF document text
    • http://arcnjournals.org/images/free-robux-rex.pdfIn PDF document text
    • http://erptrends.com/images/free-robux-hack-builders-club.pdfIn PDF document text
    • http://goldwing-shop.ru/images/roblox-774-hack-download.pdfIn PDF document text
    • http://pgk-polaniec.pl/images/hack-de-robux-2021-abril.pdfIn PDF document text
    • https://www.dierenartsberghman.be/images/como-hackear-a-alguien-en-roblox.pdfIn PDF document text
    • https://esl.ipb.ac.id/images/discord-free-roblox-hacks.pdfIn PDF document text
    • https://www.inova-cuisine.fr/images/robux-roblox-gratis-hackrar.pdfIn PDF document text
    • http://kruiz21.ru/images/robux-hack-2021-hack.pdfIn PDF document text
    • https://www.coriglianocalabro.it/images/hack-roblox-cheat-engine-67.pdfIn PDF document text
    • http://www.copoint.co.uk/images/how-to-make-money-on-roblox-cheats.pdfIn PDF document text
    • http://www.nielsen2u.dk/images/roblox-weight-lifting-simulator-3-hack-script.pdfIn PDF document text
    • https://gabrieliassociati.com/images/free-robux-apk-no-human-verification.pdfIn PDF document text
    • http://solidkom.ch/images/2021-roblox-hack-team.pdfIn PDF document text
    • https://kunstmalen.ch/images/i-want-to-play-roblox-play-free-online.pdfIn PDF document text
    • https://www.yewtreealpacas.co.uk/images/how-to-get-free-tix-on-roblox-high-school.pdfIn PDF document text
    • http://5346000.com/images/mobi-hack-robux.pdfIn PDF document text
    • https://septik-montag.ru/images/how-to-get-free-codes-in-roblox.pdfIn PDF document text
    • http://www.htc.edu.au/images/secret-forums-released-free-robux-duplicator-100-working.pdfIn PDF document text
    • http://www.pcclawyers.com.au/images/roblox-trade-hangout-hack.pdfIn PDF document text
    • http://caraless.com/images/wie-kann-man-roblox-hacken.pdfIn PDF document text
    • https://www.albisser.ch/images/hack-compt-roblox.pdfIn PDF document text
    • http://stackideas.com/images/roblox-robux-hack-2021-no-human-verification.pdfIn PDF document text
    • https://domoticaaplicada.com/images/774-hack-roblox.pdfIn PDF document text
    • https://www.saisystem.it/images/how-to-download-roblox-on-ps4-for-free.pdfIn PDF document text
    • http://www.evaplast.by/images/roblox-speed-hack-jailbreak.pdfIn PDF document text
    • https://zszolesno.pl/images/blue-hack-roblox.pdfIn PDF document text
    • https://eleganceautospa.ca/images/roblox-esper-hack.pdfIn PDF document text
    • http://avocatultau.eu/images/new-this-number-glich-gets-free-robux.pdfIn PDF document text
    • http://jobsy.com.sg/images/esp-hack-roblox-cbro.pdfIn PDF document text
    • https://www.hotschool.com.au/images/roblox-no-clip-hacks-every-game.pdfIn PDF document text
    • http://sscclc.edu.ec/images/green-hacker-tshirt-roblox.pdfIn PDF document text
    • https://pneukalousek.cz/images/how-to-get-a-free-roblox-gift-card-code.pdfIn PDF document text
    • http://feuerwehr-rheinau.de/images/roblox-brick-cars-cheat-codes.pdfIn PDF document text
    • http://texnes-plus.gr/images/game-roblox-free-online.pdfIn PDF document text
    • https://www.porthos.it/images/free-account-in-roblox-biz.pdfIn PDF document text
    • https://technospektr.com.ua/images/free-robux-de-hack.pdfIn PDF document text
    +10 more URL(s)

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00008058.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x8058 25596 bytes
SHA-256: f0c671e3bc4d72c0e487c00d991d21d2f5f1072e1a7049c069efe1ff3666530b
font_01_sfnt_off0000bb4e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBB4E 18288 bytes
SHA-256: c0fa4f4dc93ee55411f144166eda6fe09b23102f11531e71aeeb473a2dc5a784