Malicious PDF — malware analysis report

Static analysis result for SHA-256 fa72ae343da87a44…

MALICIOUS

PDF

40.7 KB Created: 2021-05-14 22:34:35 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 4bcc667038d442e78580b7f7fb086e0c SHA-1: af4f6fda52bcc9944c87f3c73868b160dba13371 SHA-256: fa72ae343da87a44afdca60361f680ddb176c9ae4698ee1bddbabfd11a342c6a
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links that redirect to malicious infrastructure, specifically promoting game hacks and generators. The primary lure URL is https://netcdn.xyz/app/406889139/install-free-game-coin-master-game-hack, which is part of a known malicious redirector chain. While no scripts were explicitly extracted, the PDF structure and embedded URLs strongly suggest a social engineering tactic to drive users to potentially malicious content.

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/406889139/install-free-game-coin-master-game-hack In PDF document text
    • https://consorziocsa-asicaivano.it/images/download-coin-master-hack-tool-v1-9_GM406889139.pdfIn PDF document text
    • https://consorziocsa-asicaivano.it/images/114-4-hacks_GM479516143.pdfIn PDF document text
    • https://consorziocsa-asicaivano.it/images/robuxy-com-generator_GM431946152.pdfIn PDF document text
    • https://consorziocsa-asicaivano.it/images/coin-master-free-spins-no-verification_GM406889139.pdfIn PDF document text
    • https://consorziocsa-asicaivano.it/images/free-minecraft-server_GM479516143.pdfIn PDF document text
    • https://consorziocsa-asicaivano.it/images/free-robux-websites-no-human-verification_GM431946152.pdfIn PDF document text
    • https://consorziocsa-asicaivano.it/images/free-clothing-on-roblox_GM431946152.pdfIn PDF document text
    • https://consorziocsa-asicaivano.it/images/minecraft-115-2-hacks_GM479516143.pdfIn PDF document text
    • https://consorziocsa-asicaivano.it/images/minecraft-java-account-free_GM479516143.pdfIn PDF document text
    • https://consorziocsa-asicaivano.it/images/free-robux-co_GM431946152.pdfIn PDF document text
    • https://consorziocsa-asicaivano.it/images/free-robux-no-verify-2021_GM431946152.pdfIn PDF document text
    • https://consorziocsa-asicaivano.it/images/how-to-get-free-roebucks-in-roblox_GM431946152.pdfIn PDF document text
    • https://consorziocsa-asicaivano.it/images/how-do-you-get-roebucks_GM431946152.pdfIn PDF document text
    • https://consorziocsa-asicaivano.it/images/is-minecraft-free-on-xbox-one_GM479516143.pdfIn PDF document text
    • https://consorziocsa-asicaivano.it/images/roblox-redeem-card-codes-free_GM431946152.pdfIn PDF document text
    • https://consorziocsa-asicaivano.it/images/minecraft-for-laptop-free_GM479516143.pdfIn PDF document text
    • https://consorziocsa-asicaivano.it/images/minecraft-hack-mod_GM479516143.pdfIn PDF document text
    • https://consorziocsa-asicaivano.it/images/how-to-get-unlimited-robux_GM431946152.pdfIn PDF document text
    • https://consorziocsa-asicaivano.it/images/robux-hack-me_GM431946152.pdfIn PDF document text
    • https://consorziocsa-asicaivano.it/images/daily-spin-coin-master-free_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_off0000468d.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x468D 24140 bytes
SHA-256: 10d1294596283a2612ea4bc1cde7289df1fbf56472b1224b1bfd312700a9a7c4
font_01_sfnt_off00007da9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7DA9 18044 bytes
SHA-256: 3cafdf99dccc4afa1deecf758d28f342e02167b9bdac520f5cdfda0d1041b97c

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