Malicious PDF — malware analysis report

Static analysis result for SHA-256 aa82cbadd7e3a70e…

MALICIOUS

PDF

49.1 KB Created: 2021-05-13 03:39:44 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-06
MD5: 12330dd9fa9100d333c3fac49f97c8c6 SHA-1: 6e33410c738962196fee9f1ae58bf73b96fac8c9 SHA-256: aa82cbadd7e3a70e3b0ef2e1adc3883802f404031d93040aa9bbedc5ec658f4c
160 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9228

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 https://netcdn.xyz/app/431946152/robux-place-rewards-game-hack In PDF document text
    • http://jdleducation.com/images/how-to-hack-people-on-roblox_GM431946152.pdfIn PDF document text
    • http://jdleducation.com/images/coin-master-free-spins-and-coins-daily-links_GM406889139.pdfIn PDF document text
    • http://jdleducation.com/images/free-robux-generator-no-human-verification-or-survey-2021_GM431946152.pdfIn PDF document text
    • http://jdleducation.com/images/free-robux-meme_GM431946152.pdfIn PDF document text
    • http://jdleducation.com/images/free-coin-master-spins-2021_GM406889139.pdfIn PDF document text
    • http://jdleducation.com/images/free-spins-and-coins-from-coin-master-game_GM406889139.pdfIn PDF document text
    • http://jdleducation.com/images/robux-free-robux_GM431946152.pdfIn PDF document text
    • http://jdleducation.com/images/free-robux-only-username-no-human-verification_GM431946152.pdfIn PDF document text
    • http://jdleducation.com/images/how-to-get-free-robux-on-phone-2021_GM431946152.pdfIn PDF document text
    • http://jdleducation.com/images/coin-master-hack-spin-link_GM406889139.pdfIn PDF document text
    • http://jdleducation.com/images/coin-master-on-facebook_GM406889139.pdfIn PDF document text
    • http://jdleducation.com/images/free-online-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://jdleducation.com/images/best-free-robux-sites_GM431946152.pdfIn PDF document text
    • http://jdleducation.com/images/get-free-spins-coin-master-link_GM406889139.pdfIn PDF document text
    • http://jdleducation.com/images/free-robux-ad_GM431946152.pdfIn PDF document text
    • http://jdleducation.com/images/how-to-hack-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://jdleducation.com/images/roblox-zone-free-robux_GM431946152.pdfIn PDF document text
    • http://jdleducation.com/images/how-to-get-free-robux-for-real_GM431946152.pdfIn PDF document text
    • http://jdleducation.com/images/kuso-icu-roblox-hack_GM431946152.pdfIn PDF document text
    • http://jdleducation.com/images/free-spins-for-coin-master-hack_GM406889139.pdfIn 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_off00004a2f.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4A2F 31164 bytes
SHA-256: 8d5433595a13955d5f88af67f8566280459217b51583484ff4daf7abfebbc4df
font_01_sfnt_off000092cb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x92CB 2824 bytes
SHA-256: 94c1b019735d7e491765340abe50b2897410e2ec65ecf141c08bd9f2220897c4
font_02_sfnt_off00009c7a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9C7A 18644 bytes
SHA-256: 097b3e5fe389c9d5235bb5f39cca6eafd3c2d90897f0534c254bdefdab42f7f8