Malicious PDF — malware analysis report

Static analysis result for SHA-256 b6bfeb369b987986…

MALICIOUS

PDF

41.7 KB Created: 2021-05-20 05:05:05 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: a0c4636b799ed89d38b00c7a623987ae SHA-1: 7bcc84ed86a17fb53d4890de8dcfb8e723481c87 SHA-256: b6bfeb369b9879862b49f912233648cd141c676541e7e710fc4b4c5a957f0874
160 Risk Score

Malware Insights

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

This PDF document contains multiple links designed to lure users into clicking on what appear to be game hack generators or promo codes. The primary link, 'https://netcdn.xyz/app/1094591345/promo-code-for-pokemon-go-free-game-hack', is identified as a malicious redirector. The document body and embedded links suggest an attempt to trick users into visiting malicious sites, likely for further exploitation or malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

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/1094591345/promo-code-for-pokemon-go-free-game-hack In PDF document text
    • http://kids-academy.pl/images/roblox-hack-tool_GM431946152.pdfIn PDF document text
    • http://kids-academy.pl/images/coin-master-official-page_GM406889139.pdfIn PDF document text
    • http://kids-academy.pl/images/robuxmatch-com-free-robux_GM431946152.pdfIn PDF document text
    • http://kids-academy.pl/images/coin-master-free-gift-cards_GM406889139.pdfIn PDF document text
    • http://kids-academy.pl/images/cheats-coin-master-free_GM406889139.pdfIn PDF document text
    • http://kids-academy.pl/images/how-to-get-minecoins-in-minecraft-for-free_GM479516143.pdfIn PDF document text
    • http://kids-academy.pl/images/free-promo-codes-for-robux_GM431946152.pdfIn PDF document text
    • http://kids-academy.pl/images/tiktok-free-view-iphone-horizontally_GM835599320.pdfIn PDF document text
    • http://kids-academy.pl/images/how-to-make-a-server-in-minecraft-java-for-free_GM479516143.pdfIn PDF document text
    • http://kids-academy.pl/images/free-robux-images_GM431946152.pdfIn PDF document text
    • http://kids-academy.pl/images/coin-master-apk-hack-download_GM406889139.pdfIn PDF document text
    • http://kids-academy.pl/images/pubg-uc-online-generator_GM1330123889.pdfIn PDF document text
    • http://kids-academy.pl/images/coin-master-free-spins-and-chips_GM406889139.pdfIn PDF document text
    • http://kids-academy.pl/images/free-robux-no-gift-card_GM431946152.pdfIn PDF document text
    • http://kids-academy.pl/images/legit-coin-master-hack-without-verification_GM406889139.pdfIn PDF document text
    • http://kids-academy.pl/images/gamesofficenet-hack-coin-master_GM406889139.pdfIn PDF document text
    • http://kids-academy.pl/images/app-store-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://kids-academy.pl/images/coin-master-free-spins-link-without-human-verification_GM406889139.pdfIn PDF document text
    • http://kids-academy.pl/images/roblox-hack-client_GM431946152.pdfIn PDF document text
    • http://kids-academy.pl/images/coin-master-hack-spins-and-coins-unlimited-free-download_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
stream_003_off000045e1.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x45E1 26256 bytes
SHA-256: d02c9650fb72917bc456243302f899d0cae02d3e3b5dbfb856bed45fcda4b121
font_01_sfnt_off000081d5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x81D5 18016 bytes
SHA-256: f88665f0a6fbd2288536caa78c0cd4bb5dc4e7eb579a6c1ada31136cffd6cbd6

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