Malicious PDF — malware analysis report

Static analysis result for SHA-256 ed1fb3051c9ed227…

MALICIOUS

PDF

39.2 KB Created: 2021-05-21 11:10:43 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: d467ef631416f53c279f57af15910cf4 SHA-1: 6f4000799607d9a815eb84e7f17236c12bdf3946 SHA-256: ed1fb3051c9ed227035edc98d1c71549edb55fb58d4081f9d3f7c50d43e9ba06
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF document contains multiple embedded links and a visible 'download' button lure, directing users to potentially malicious websites. The heuristic firings indicate that the PDF links to known malicious redirector infrastructure, specifically for game-related 'hacks' or generators. While no scripts were explicitly extracted, the PDF structure and embedded URLs strongly suggest an attempt to redirect users to a malicious site, likely for further exploitation or credential harvesting.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9476

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/roblox-free-pets-game-hack In PDF document text
    • https://bazilikum.com/images/websites-to-get-free-robux_GM431946152.pdfIn PDF document text
    • https://bazilikum.com/images/promo-codes-to-get-free-robux_GM431946152.pdfIn PDF document text
    • https://bazilikum.com/images/coin-master-cheat-free_GM406889139.pdfIn PDF document text
    • https://bazilikum.com/images/minecraft-ios-mods_GM479516143.pdfIn PDF document text
    • https://bazilikum.com/images/coin-master-spin-and-coins-free_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

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
stream_002_off00003664.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3664 28240 bytes
SHA-256: 65c5c99b27df4df4dcdf7dfe0045717a0321fc83ac36ce3a0e0c7997de56821b
font_01_sfnt_off00007860.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7860 18204 bytes
SHA-256: e6dab3842af37aa13062c3ed88bc226f2e60d4bb47f1ab25515567cf82d0f81e

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