Malicious PDF — malware analysis report

Static analysis result for SHA-256 6807a912ffaaa0b4…

MALICIOUS

PDF

34.6 KB Created: 2021-06-26 04:17:49 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 8048e8298e5ab0cda2835b631bc8d834 SHA-1: 8fa26a60f80deccf8205847734c876393a305f25 SHA-256: 6807a912ffaaa0b48efa65b47567df044c5dcf810fafcb77fc20186a04b35627
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document employs a common lure of free game currency and hacks to trick users into clicking malicious links. The embedded URLs, including http://netcdn.co/app/431946152/roblox-free-robux-games-2021-game-hack, lead to known malicious redirector infrastructure. The document's content and heuristics strongly suggest a phishing or scam campaign aimed at users seeking in-game advantages.

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.co/app/431946152/roblox-free-robux-games-2021-game-hack In PDF document text
    • https://oghousesgalore.com/wp-content/uploads/fsqm-files/roblox-free-clothes-hack_GM431946152.pdfIn PDF document text
    • https://oghousesgalore.com/wp-content/uploads/fsqm-files/roblox-hack-cheat-engine-67_GM431946152.pdfIn PDF document text
    • https://oghousesgalore.com/wp-content/uploads/fsqm-files/butterfly-roblox-hack_GM431946152.pdfIn PDF document text
    • https://oghousesgalore.com/wp-content/uploads/fsqm-files/free-disney-plus-accounts-tiktok_GM835599320.pdfIn PDF document text
    • https://oghousesgalore.com/wp-content/uploads/fsqm-files/robux-hack-with-tampermonkey_GM431946152.pdfIn PDF document text
    • https://oghousesgalore.com/wp-content/uploads/fsqm-files/roblox-face-hacks_GM431946152.pdfIn PDF document text
    • https://oghousesgalore.com/wp-content/uploads/fsqm-files/roblox-girl-shirt-free_GM431946152.pdfIn PDF document text
    • https://oghousesgalore.com/wp-content/uploads/fsqm-files/roblox-hackings-2021_GM431946152.pdfIn PDF document text
    • https://oghousesgalore.com/wp-content/uploads/fsqm-files/free-robux-script_GM431946152.pdfIn PDF document text
    • https://oghousesgalore.com/wp-content/uploads/fsqm-files/hacks-for-ninjamaster20211-roblox_GM431946152.pdfIn PDF document text
    • https://oghousesgalore.com/wp-content/uploads/fsqm-files/how-to-get-free-robux-in-a-game-2021_GM431946152.pdfIn PDF document text
    • https://oghousesgalore.com/wp-content/uploads/fsqm-files/how-to-hack-people-on-roblox-youtube_GM431946152.pdfIn PDF document text
    • https://oghousesgalore.com/wp-content/uploads/fsqm-files/thebuxian-percent-people-don-t-know-free-robux-hack_GM431946152.pdfIn PDF document text
    • https://oghousesgalore.com/wp-content/uploads/fsqm-files/roblox-freebies-free-robux_GM431946152.pdfIn PDF document text
    • https://oghousesgalore.com/wp-content/uploads/fsqm-files/free-plain-yellow-t-shirt-roblox_GM431946152.pdfIn PDF document text
    • https://oghousesgalore.com/wp-content/uploads/fsqm-files/free-account-roblox-wiki_GM431946152.pdfIn PDF document text
    • https://oghousesgalore.com/wp-content/uploads/fsqm-files/roblox-tycoon-money-hack-2021_GM431946152.pdfIn PDF document text
    • https://oghousesgalore.com/wp-content/uploads/fsqm-files/free-robux-real-generator_GM431946152.pdfIn PDF document text
    • https://oghousesgalore.com/wp-content/uploads/fsqm-files/http-roblox-hack-no-varvaction_GM431946152.pdfIn PDF document text
    • https://oghousesgalore.com/wp-content/uploads/fsqm-files/how-to-get-free-robux-easy-2021_GM431946152.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_off00002ffe.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2FFE 22144 bytes
SHA-256: 40d6745d4be814c48e0e40819c8d03aedf9f008f5a200bd6e0e56b7be1caa3fa
font_01_sfnt_off000060fd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x60FD 19452 bytes
SHA-256: 7f5f89a20c6db2f2bd883ae458c64155b63291bd272daccdb39785543c48683d

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