Malicious PDF — malware analysis report

Static analysis result for SHA-256 00a6e5f1ab332575…

MALICIOUS

PDF

40.9 KB Created: 2021-05-10 15:01:09 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 2daf95c84c587284e6684e065fc441f9 SHA-1: 2f5f2e69bfe31de4e3f0dc4565fe7ceda63699c7 SHA-256: 00a6e5f1ab3325754268d1791884cf0bbca218a65ae831e1e7c3c17e182e589e
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to known malicious redirectors, disguised as "free generator / game hack" lures. The document body and embedded URLs suggest a phishing attempt related to popular games, aiming to trick users into visiting malicious sites. While no scripts were explicitly extracted, the PDF structure and embedded links strongly indicate a malicious redirection workflow.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9056

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/406889139/coin-master-free-spins-and-coins-app-download-game-hack In PDF document text
    • http://biotronics.com.cy/images/free-spins-link-in-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://biotronics.com.cy/images/free-roblox-clothes-girl_GM431946152.pdfIn PDF document text
    • http://biotronics.com.cy/images/gaming-dunia-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://biotronics.com.cy/images/get-free-robux-info_GM431946152.pdfIn PDF document text
    • http://biotronics.com.cy/images/free-robux-please_GM431946152.pdfIn PDF document text
    • http://biotronics.com.cy/images/roblox-hacks-2021_GM431946152.pdfIn PDF document text
    • http://biotronics.com.cy/images/roblox-skins-boy-free_GM431946152.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_off00003b9b.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3B9B 24600 bytes
SHA-256: 67d2f1709d5fea5e21b64914d1190419fce3043a6436c266c8e38443c6e258be
font_01_sfnt_off00007302.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7302 2920 bytes
SHA-256: 601c50867a41b9362538ff18e5f9479a0f9badf698aaf1eb7e88469c11719db7
font_02_sfnt_off00007d1c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7D1C 18464 bytes
SHA-256: 477b46039d07fe0ad2634a21c74d959d313d9d885c77ebd9dc4a513f15d0eb77

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