Malicious PDF — malware analysis report

Static analysis result for SHA-256 0b75ff9c0d18e10d…

MALICIOUS

PDF

47.7 KB Created: 2021-04-09 00:13:24 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 7f135fe613c31e7ebf12726efb230029 SHA-1: 1b0fb5757ed702e840659ba8f077f1734e9755a4 SHA-256: 0b75ff9c0d18e10d405b6cdde8015616a5756bde20df17340c3eec0b962b475f
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9982

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector high 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.
  • 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/commands-for-roblox-free-robux-console-game-hack PDF link annotation
    • http://www.centralbarbershop.ru/images/cheat-codes-for-roblox-adopt-me.pdfIn PDF document text
    • http://dialine.cz/images/roblox-hack-online-cheat.pdfIn PDF document text
    • http://aviaprofsoyuz.info/images/in-roblox-how-do-you-hack-accounts.pdfIn PDF document text
    • https://verdensbarn.no/images/cheat-roblox-jailbreak.pdfIn PDF document text
    • http://schlossschaenke-andernach.de/images/roblox-build-a-boat-for-treasure-cheats.pdfIn PDF document text
    • http://ff-obertraun.at/images/roblox-hack-weg-machen-aimbot.pdfIn PDF document text
    • http://www.vktzunami.cz/images/roblox-shorts-free.pdfIn PDF document text
    • http://atelierweb.it/images/roblox-free-items-script.pdfIn PDF document text
    • http://www.maakherumusic.net/images/how-can-you-get-robux-in-roblox-for-free.pdfIn PDF document text
    • http://ilijakom.com/images/slurp-roblox-hack.pdfIn PDF document text
    • https://uofk.edu/images/get-free-robux-with-no-survey.pdfIn PDF document text
    • http://smoothjazzclub.net/images/hacking-into-ldshadowladys-roblox-account.pdfIn PDF document text
    • http://www.les2alpes-location.com/images/roblox-jailbreak-money-hack-script.pdfIn PDF document text
    • https://www.tqma.com.ec/images/free-robux-generator-roblox-hack-2021.pdfIn PDF document text
    • https://www.cfdcnv.com/images/how-to-get-free-robux-december-2021.pdfIn PDF document text
    • http://5346000.com/images/roblox-apoc-hacks-2021-op.pdfIn PDF document text
    • http://www.arredifunebri.com/images/i-think-someone-hacked-into-my-roblox-account.pdfIn PDF document text
    • http://newbeginningsranch.net/images/roblox-dragon-ball-rage-cheat.pdfIn PDF document text
    • http://kruiz21.ru/images/free-promo-code-roblox-twitter.pdfIn PDF document text
    • https://successfulauto.ru/images/roblox-download-free-windows-7.pdfIn PDF document text
    • http://ff-obertraun.at/images/roblox-hack-weg-machen-In PDF document text
    • https://www.tqma.com.ec/images/free-robux-generator-In PDF document text
    • http://5346000.com/images/roblox-apoc-In PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00005faf.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x5FAF 25420 bytes
SHA-256: 73f99df8b1e4cb6f7dfeb5f3bd2beb776fcdb5f2c2b74bbd4189bd588e9f39be
font_01_sfnt_off00009879.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9879 18336 bytes
SHA-256: b36f30497374b1d85e31ffc4e958c72c63f7ef2cba4cd6e6b566b3e9f615bada

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