Malicious PDF — malware analysis report

Static analysis result for SHA-256 22ae02faa67b365c…

MALICIOUS

PDF

58.9 KB Created: 2021-04-06 06:12:11 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-11-20
MD5: ecf8a6abee1087cb1b55a43f7b7f534b SHA-1: 410a0db58da48c5595cafc2d0572c4bbf6745df9 SHA-256: 22ae02faa67b365cc712c1d9fcf02169c703c30104a9e91c0140810aab517045
150 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link T1036.005 Match Legitimate Name or Location

The PDF document contains a lure for a "Free Robux Generator" and impersonates a brand, directing users to click on a malicious link. The link, http://enigmagenerator.com/app/431946152/roblox-game-hack, is presented as a way to obtain game hacks, which is a common phishing tactic. The document also uses urgency and a visual download button to encourage user interaction.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7795

Heuristics 6

  • PDF links to a 'free generator / game hack' redirector critical PDF_GAME_HACK_REDIRECT_LURE
    PDF's clickable action targets a redirector of the form /app/<id>/<slug>-game-hack — the landing-page shape of a large SEO 'free spins / generator / game hack' lure family that funnels victims through rotating disposable hosts to a malware/scam payload. The multi-link variants also trip ML/link-farm rules; this catches the single-link variants that otherwise score clean. CRITICAL on its own: the /app/<id>/<slug>-game-hack path shape is unambiguous scam infra, and the host rotates so a host-list match can't be relied on.
  • 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://enigmagenerator.com/app/431946152/roblox-game-hack.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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://enigmagenerator.com/app/431946152/roblox-game-hack PDF link annotation
    • http://vagency.us/images/cheats-for-meep-city-roblox.pdfIn PDF document text
    • https://scraperite.com/images/how-to-get-the-free-items-on-roblox.pdfIn PDF document text
    • http://centuriatus.com/images/vasilis-roblox-hack-exe.pdfIn PDF document text
    • http://infoagronomia.com.ar/images/how-to-get-free-funds-on-roblox.pdfIn PDF document text
    • http://bit-sky.com/images/eyes-the-horror-game-update-2-alpha-hack-roblox.pdfIn PDF document text
    • http://chartsmart.com.au/images/roblox-hack-marshmello-head.pdfIn PDF document text
    • http://fratellimazzoleni.it/images/games-like-roblox-but-free.pdfIn PDF document text
    • https://www.brainpads.com/images/free-robux-hack-app.pdfIn PDF document text
    • http://ivpr.net/images/cheat-engine-roblox-bypass-2021.pdfIn PDF document text
    • http://xn--80aciiv6azczc.xn--p1ai/images/roblox-hack-without-human-verification-or-survey.pdfIn PDF document text
    • http://androidthai.in.th/images/how-to-get-robux-for-free-fast.pdfIn PDF document text
    • http://www.vktzunami.cz/images/cheat-engine-kill-al-script-roblox.pdfIn PDF document text
    • http://esm-royet.de/images/pastebin-roblox-free-robux-2021.pdfIn PDF document text
    • http://agrao.in/images/hacker-man-roblox-script.pdfIn PDF document text
    • http://ago.gov.pg/images/roblox-free-robux-google-chrome.pdfIn PDF document text
    • http://racunari.in.rs/images/roblox-free-robux-for-wiewers.pdfIn PDF document text
    • https://arcasict.nl/images/free-robux-no-waiting-2021.pdfIn PDF document text
    • http://scarlier.fr/images/how-to-hack-into-a-account-in-roblox.pdfIn PDF document text
    • http://www.lovecraftiana.com.ar/images/free-shoulder-pet-roblox.pdfIn PDF document text
    • http://thehancgroup.com/images/hack-roblox-robux-gratuit.pdfIn PDF document text
    • https://accord.kiev.ua/images/free-hats-roblox-2021-unpatched-urban420-network.pdfIn PDF document text
    • https://www.abrapppe.org.br/images/roblox-guess-the-famous-characters-solutions-cheat-sheets.pdfIn PDF document text
    • http://eltisstudio.sk/images/free-robux-obby-on-roblox.pdfIn PDF document text
    • https://www.hotschool.com.au/images/hoe-to-get-free-robux-2021.pdfIn PDF document text
    • http://avocatultau.eu/images/how-to-get-epic-face-on-roblox-for-free.pdfIn PDF document text
    • http://gestibrok.com/images/free-dominus-roblox-to-wear.pdfIn PDF document text
    • https://www.saisystem.it/images/cerberus-hack-roblox.pdfIn PDF document text
    • http://mydevice.com.au/images/old-roblox-play-for-free.pdfIn PDF document text
    • https://masseymotorcars.com/images/hack-hoogon123-on-roblox.pdfIn PDF document text
    • http://facingachild.org/images/how-do-you-get-free-vip-on-roblox.pdfIn PDF document text
    • https://amatq.ca/images/cheat-code-for-roblox-ghost-simulator.pdfIn PDF document text
    • https://www.lavigny.ch/images/robux-hack-dowload-apk.pdfIn PDF document text
    • http://lawnn.ru/images/roblox-powering-imagination-redeem-your-free-robux.pdfIn PDF document text
    • http://firesafetyservices.biz/images/how-to-hack-pokemon-brick-bronze-roblox-2021.pdfIn PDF document text
    • http://www.adravietnam.org/images/roblox-spiel-free-robux-generator.pdfIn PDF document text
    • http://uctaren.eu/images/how-to-get-a-free-builders-club-membership-on-roblox.pdfIn PDF document text
    • https://technospektr.com.ua/images/roblox-hack-for-robux-no-verification.pdfIn PDF document text
    • http://selectionspdf.fr/images/roblox-base-wars-hack.pdfIn PDF document text
    • http://ff-obertraun.at/images/how-to-hack-at-roblox.pdfIn PDF document text
    • http://joshherman.com/images/roblox-free-promo-codes-2021.pdfIn PDF document text
    • http://piadaandco.it/images/roblox-for-free-on-phone.pdfIn PDF document text
    • http://kcr-rochlitz.de/images/denisdaily-free-robux-website.pdfIn PDF document text
    • http://traveltrucks.com.au/images/unpatchable-new-roblox-exploit-hack-skyline-stat-change.pdfIn PDF document text
    • http://aeroclub-kaernten.at/images/how-do-you-get-free-robux-without-human-verification.pdfIn PDF document text
    • http://www.danzamaniapergine.it/images/brick-bronze-cheats-roblox.pdfIn PDF document text
    • http://malichy.pl/images/free-robux-games-on-roblox-that-work.pdfIn PDF document text
    • https://www.fhccu.com/images/how-to-get-robux-for-free-no-scam.pdfIn PDF document text
    • http://www.e-lysis.com/images/roblox-sword-fight-on-the-heights-hack.pdfIn PDF document text
    • https://www.yewtreealpacas.co.uk/images/free-robux-hack-instantly.pdfIn PDF document text
    +9 more URL(s)

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00008219.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x8219 27808 bytes
SHA-256: 7d78d122bf5d5c283acc3a9778f769da39d85a2fb80bd0ce1f3e6a4855e26df6
font_01_sfnt_off0000c126.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC126 18920 bytes
SHA-256: 58d8a91fa9c5c658a0d5eda87bd3a0488db2cc2a7456253361401333fcd7dadf