Malicious PDF — malware analysis report

Static analysis result for SHA-256 1967c8b39a35adc1…

MALICIOUS

PDF

53.0 KB Created: 2021-04-10 02:57:29 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 4a00d3ef60c3c6d41b967f1cd1d14df1 SHA-1: 168e0568452c7ce191984fba16160dc9388d3069 SHA-256: 1967c8b39a35adc12f01ec711e180c18a6e84711d65990f37d51be6a038a8b5d
142 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF document contains multiple links that impersonate Microsoft and lure users with promises of game hacks or free items. The primary link, 'https://gaminggenerator.org/app/431946152/flood-escape-2-infinite-jump-roblox-hack-pastebin-game-hack', is identified as a redirector to malicious content. While no scripts were explicitly extracted, the PDF structure and embedded URLs suggest an attempt to exploit user interest in gaming and potentially lead to credential harvesting or further malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8227

Heuristics 5

  • 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: https://gaminggenerator.org/app/431946152/flood-escape-2-infinite-jump-roblox-hack-pastebin-game-hack.
  • 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 https://gaminggenerator.org/app/431946152/flood-escape-2-infinite-jump-roblox-hack-pastebin-game-hack PDF link annotation
    • https://tokunfome.com.br/images/http-roblox-mobile-hacks-4-free-com.pdfIn PDF document text
    • http://gestibrok.com/images/free-old-roblox-accounts.pdfIn PDF document text
    • http://dos.most.gov.la/images/free-codes-for-the-floor-is-lava-roblox.pdfIn PDF document text
    • http://finalstand.org/images/how-to-have-all-passes-in-roblox-free.pdfIn PDF document text
    • http://stikgiamakassar.ac.id/digilib/repository/free-clothes-with-roblox.pdfIn PDF document text
    • http://arcnjournals.org/images/download-fly-hack-on-roblox-vampire-hunters.pdfIn PDF document text
    • http://www.adravietnam.org/images/how-to-get-a-free-roblox-card-code.pdfIn PDF document text
    • http://www.conservatoriolecce.it/images/awesome-free-accesories-on-roblox.pdfIn PDF document text
    • http://iluvlocalplaces.com/images/free-roblox-cards-codes-to-get-robux.pdfIn PDF document text
    • http://jasab.fr/images/games-that-give-you-free-stuff-on-roblox-2021.pdfIn PDF document text
    • http://opac.library.uib.ac.id/repository/how-to-hack-roblox-in-game-with-cheat-engine.pdfIn PDF document text
    • http://www.herbasacra.gr/images/roblox-gift-cards-code-for-free.pdfIn PDF document text
    • http://www.lrnetwork.es/images/hackaron-roblox-download.pdfIn PDF document text
    • http://www.mediaxin.net/images/savagery-how-to-get-free-robux.pdfIn PDF document text
    • https://www.guterdj.de/images/free-vip-roblox.pdfIn PDF document text
    • http://schlossschaenke-andernach.de/images/blockate-roblox-auto-build-hack.pdfIn PDF document text
    • http://ferienwohnung-walker.de/images/free-robux-sites-that-actually-work.pdfIn PDF document text
    • http://chocolats-boccardi-carcassonne.com/images/roblox-movement-hacks.pdfIn PDF document text
    • https://www.manisoft.ir/images/free-roblox-rum.pdfIn PDF document text
    • https://perpustakaan.stieppi.ac.id/repository/roblox-games-where-you-can-play-music-for-free.pdfIn PDF document text
    • http://cofys.nl/images/free-accounts-of-roblox.pdfIn PDF document text
    • http://www.rezbb.sk/images/groups-on-roblox-that-give-free-robux.pdfIn PDF document text
    • https://www.coriglianocalabro.it/images/roblox-hack-pretty-face-hack.pdfIn PDF document text
    • http://www.mjclautrec.fr/images/free-robux-no-wait-2021.pdfIn PDF document text
    • http://greenemiller.com/images/hacks-fur-roblox-dinosimolator.pdfIn PDF document text
    • http://legitame.org/images/instante-break-block-roblox-script-hack.pdfIn PDF document text
    • https://www.lomrad.go.th/images/roblox-dll-hack-roghoul.pdfIn PDF document text
    • http://sb2m.com.br/images/easy-robux-hack-today.pdfIn PDF document text
    • http://www.kendo.gr/images/free-accessoires-roblox.pdfIn PDF document text
    • http://optom.co.nz/images/free-red-shirt-in-roblox.pdfIn PDF document text
    • http://arcnjournals.org/images/download-fly-hack-on-roblox-vampire-In PDF document text
    • http://www.conservatoriolecce.it/images/awesome-In PDF document text
    • http://jasab.fr/images/games-that-In PDF document text
    • http://schlossschaenke-In PDF document text
    • http://cofys.nl/images/free-accounts-of-In PDF document text
    • https://www.coriglianocalabro.it/images/roblox-hack-pretty-In PDF document text
    • http://optom.co.nz/images/free-In PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off0000638f.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x638F 26748 bytes
SHA-256: 019419eb560a90c1b2aaed2d5c6ca57125ed568340a221859847c3a2ad9bec49
font_01_sfnt_off00009f1b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9F1B 2832 bytes
SHA-256: 77ae1c4cffa647a8fd533dfa4102e94364989f9e80b9cd131876e9d1005899a2
font_02_sfnt_off0000a8cb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA8CB 19496 bytes
SHA-256: e42a5d825d5de77bd3770a90e579c52922f3ec440c629853ad76323fe9947986