Malicious PDF — malware analysis report

Static analysis result for SHA-256 f7a69f7bed849ac0…

MALICIOUS

PDF

34.1 KB Created: 2021-07-05 09:23:56 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 24d36b02339d7aa7ab5d08bbc6e98005 SHA-1: 30fdd9bc0296b8264bceaa74246dfa96d6bd213b SHA-256: f7a69f7bed849ac0c5588c42b607e4ebfec51424f201c44d0d4b33d3719a3bdf
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded URLs that lead to a known malicious redirector infrastructure, specifically advertising 'game hacks' and 'free generators'. The document body and heuristics confirm a lure for obtaining in-game currency or hacks, which is a common social engineering tactic. The primary URL identified, http://netcdn.tw/app/431946152/earn-robux-today-game-hack, is a critical indicator of malicious intent, likely serving as a gateway to further malicious content or phishing attempts.

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/431946152/earn-robux-today-game-hack In PDF document text
    • https://asiavisiontreks.com/userfiles/files/rob-hacker-online-roblox_GM431946152.pdfIn PDF document text
    • https://asiavisiontreks.com/userfiles/files/roblox-2021_GM431946152.pdfIn PDF document text
    • https://asiavisiontreks.com/userfiles/files/pastebin-hack-robux_GM431946152.pdfIn PDF document text
    • https://asiavisiontreks.com/userfiles/files/moon-active-games_GM406889139.pdfIn PDF document text
    • https://asiavisiontreks.com/userfiles/files/kuso-icu-roblox-hack_GM431946152.pdfIn PDF document text
    • https://asiavisiontreks.com/userfiles/files/minecraft-apk-download-free-11-055_GM479516143.pdfIn PDF document text
    • https://asiavisiontreks.com/userfiles/files/card-hack-in-coin-master_GM406889139.pdfIn PDF document text
    • https://asiavisiontreks.com/userfiles/files/roblox-tycoon-de-hacker_GM431946152.pdfIn PDF document text
    • https://asiavisiontreks.com/userfiles/files/free-robux-generator-no-survey-no-download-no-human-verification_GM431946152.pdfIn PDF document text
    • https://asiavisiontreks.com/userfiles/files/pubg-uc-and-bc_GM1330123889.pdfIn PDF document text
    • https://asiavisiontreks.com/userfiles/files/free-roblox-accounts-with-robux-that-work-2021_GM431946152.pdfIn PDF document text
    • https://asiavisiontreks.com/userfiles/files/build-a-boat-roblox-hack_GM431946152.pdfIn PDF document text
    • https://asiavisiontreks.com/userfiles/files/roblox-gfx-render-free_GM431946152.pdfIn PDF document text
    • https://asiavisiontreks.com/userfiles/files/cool-minecraft-hacks_GM479516143.pdfIn PDF document text
    • https://asiavisiontreks.com/userfiles/files/free-robux-2021-no-human-verification_GM431946152.pdfIn PDF document text
    • https://asiavisiontreks.com/userfiles/files/coin-master-free-spins-and-coins-daily-links_GM406889139.pdfIn PDF document text
    • https://asiavisiontreks.com/userfiles/files/free-robux-generator-2021-no-human-verification_GM431946152.pdfIn PDF document text
    • https://asiavisiontreks.com/userfiles/files/coin-master-hack-apk-2021-download_GM406889139.pdfIn PDF document text
    • https://asiavisiontreks.com/userfiles/files/roblox-without-logging-in-free_GM431946152.pdfIn PDF document text
    • https://asiavisiontreks.com/userfiles/files/coin-master-free-coins-generator_GM406889139.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_off00002e0c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2E0C 22576 bytes
SHA-256: 46b8412d60b925f3e04656759c1f792f92d34760a95eae361e4fd09e63ec663a
font_01_sfnt_off00006075.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6075 18904 bytes
SHA-256: a9fc496f84e69d01ed59c1cd4e5953deeea203675ea3b95baaba8ca870e83513

Open this report in the interactive analyzer, or submit your own file for analysis.