Malicious PDF — malware analysis report

Static analysis result for SHA-256 700085950e018a50…

MALICIOUS

PDF

33.7 KB Created: 2021-07-06 09:28:52 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-26
MD5: 308b7f24f9f748004e9f777756b278be SHA-1: 348cbb8529906454be64b3848999bac6f171f5a9 SHA-256: 700085950e018a50b03331889666e04309a5110c4b2c031dca0e5b5565ed9f21
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file contains multiple links to external websites, including a known malicious redirector, that are disguised as generators for game hacks or free items. The document body and embedded URLs suggest a lure for popular games like Minecraft and Roblox, aiming to trick users into downloading potentially malicious content or divulging personal information. No scripts were extracted, but the presence of numerous malicious links indicates a high likelihood of malware distribution or phishing.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 4

  • 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.
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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
  • 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://netcdn.tw/app/479516143/minecraft-aimbot-game-hack In PDF document text
    • http://lib3tell.stptrisakti.net/repository/best-free-things-to-get-in-roblox_GM431946152.pdfIn PDF document text
    • http://lib3tell.stptrisakti.net/repository/pokemon-go-free-lures_GM1094591345.pdfIn PDF document text
    • http://lib3tell.stptrisakti.net//repository/roblox-download_GM431946152.pdfIn PDF document text
    • http://lib3tell.stptrisakti.net//repository/try-minecraft-free_GM479516143.pdfIn PDF document text
    • http://lib3tell.stptrisakti.net/repository/pubg-uc-dark-web_GM1330123889.pdfIn PDF document text
    • http://lib3tell.stptrisakti.net/repository/coin-master-2021-free-spins-link-blogspot_GM406889139.pdfIn PDF document text
    • http://lib3tell.stptrisakti.net/repository/free-robux-giveaway-live_GM431946152.pdfIn PDF document text
    • http://lib3tell.stptrisakti.net/repository/how-to-get-cartoony-animation-for-free-roblox_GM431946152.pdfIn PDF document text
    • http://lib3tell.stptrisakti.net//repository/pokemon-go-free-7-day-streak_GM1094591345.pdfIn PDF document text
    • http://lib3tell.stptrisakti.net/repository/ways-to-get-free-robux-2021_GM431946152.pdfIn PDF document text
    • http://lib3tell.stptrisakti.net//repository/how-to-robux_GM431946152.pdfIn PDF document text
    • http://lib3tell.stptrisakti.net/repository/play-minecraft-for-free_GM479516143.pdfIn PDF document text
    • http://lib3tell.stptrisakti.net/repository/get-free-coins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://lib3tell.stptrisakti.net/repository/free-robux-com-2021_GM431946152.pdfIn PDF document text
    • http://lib3tell.stptrisakti.net/repository/will-you-get-hacked-buy-buying-robux-online_GM431946152.pdfIn PDF document text
    • http://lib3tell.stptrisakti.net//repository/free-spin-generator-for-coin-master_GM406889139.pdfIn PDF document text
    • http://lib3tell.stptrisakti.net/repository/minecraft-mod-updater_GM479516143.pdfIn PDF document text
    • http://lib3tell.stptrisakti.net/repository/pubg-uc-buy-bd_GM1330123889.pdfIn PDF document text
    • http://lib3tell.stptrisakti.net/repository/hack-coin-master-for-free_GM406889139.pdfIn PDF document text
    • http://lib3tell.stptrisakti.net//repository/what-tiktok-free-views-app_GM835599320.pdfIn 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
font_00_sfnt_off0000306c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x306C 21912 bytes
SHA-256: 2bfd2128840a5cc8d1949b756f45dc314e21fe66cf30d3bf1bc383a7419447dc
font_01_sfnt_off00006098.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6098 18416 bytes
SHA-256: 7ade71fc37f91aca8989dd0df7b95c3e608aa25abc776de8806115a1be660a99

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