Malicious PDF — malware analysis report

Static analysis result for SHA-256 16f7d457cba039d6…

MALICIOUS

PDF

35.8 KB Created: 2021-06-30 05:16:05 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 3a2599a59223114cbc13029b3fcf8f9c SHA-1: 63acfb5248c0c16109e939826ced81b4d3c4b653 SHA-256: 16f7d457cba039d67d89f56dfcca0d05c118518846491f68a0b9170b09ca7430
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document employs a lure of free game currency and hacks to trick users into clicking malicious links. The primary link directs to a known malicious redirector infrastructure, which in turn hosts further PDFs with similar lures. The document's content and embedded links strongly suggest a phishing or scam attempt designed to lead users to potentially harmful sites.

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/how-to-get-hair-free-roblox-2021-game-hack In PDF document text
    • http://baxtton.com/sites/default/files/files/how-to-use-aimbot-hacks-in-roblox_GM431946152.pdfIn PDF document text
    • http://baxtton.com/sites/default/files/files/spin-free-coin-master_GM406889139.pdfIn PDF document text
    • http://baxtton.com/sites/default/files/files/bloxpink-free-robux_GM431946152.pdfIn PDF document text
    • http://baxtton.com/sites/default/files/files/free-robux-admin-codes-2021_GM431946152.pdfIn PDF document text
    • http://baxtton.com/sites/default/files/files/free-robux-codes-2021-not-used_GM431946152.pdfIn PDF document text
    • http://baxtton.com/sites/default/files/files/www-roblox-com-robux-free_GM431946152.pdfIn PDF document text
    • http://baxtton.com/sites/default/files/files/claim-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://baxtton.com/sites/default/files/files/how-do-you-hack-for-2021000-coins-on-flip-master_GM406889139.pdfIn PDF document text
    • http://baxtton.com/sites/default/files/files/how-to-hack-roblox-robux-pc_GM431946152.pdfIn PDF document text
    • http://baxtton.com/sites/default/files/files/robux-free-c_GM431946152.pdfIn PDF document text
    • http://baxtton.com/sites/default/files/files/how-to-start-a-minecraft-server-for-free_GM479516143.pdfIn PDF document text
    • http://baxtton.com/sites/default/files/files/master-coin-free-spin_GM406889139.pdfIn PDF document text
    • http://baxtton.com/sites/default/files/files/how-to-download-nonsense-diamond-hack-roblox_GM431946152.pdfIn PDF document text
    • http://baxtton.com/sites/default/files/files/minecraft-login-free_GM479516143.pdfIn PDF document text
    • http://baxtton.com/sites/default/files/files/how-to-hack-robux-on-mac-2021_GM431946152.pdfIn PDF document text
    • http://baxtton.com/sites/default/files/files/cheat-sur-roblox_GM431946152.pdfIn PDF document text
    • http://baxtton.com/sites/default/files/files/how-to-get-free-gold-cards-on-coin-master_GM406889139.pdfIn PDF document text
    • http://baxtton.com/sites/default/files/files/free-magical-chest-coin-master_GM406889139.pdfIn PDF document text
    • http://baxtton.com/sites/default/files/files/coin-master-daily-free-spin-app_GM406889139.pdfIn PDF document text
    • http://baxtton.com/sites/default/files/files/free-robux-generator-no-human-verification-or-surveys_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 7

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003263.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3263 22792 bytes
SHA-256: cd853d2ce9d92f197e3df0ff96cc2d2dfdc238e47790b047ccb39be2ecfff372
font_01_sfnt_off000065a9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x65A9 19440 bytes
SHA-256: b98cddb7361b40e79594ad4f3159bc60991e75d9d150d6e4e1f3bab1b47408b0

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