Malicious PDF — malware analysis report

Static analysis result for SHA-256 8e5dd68a750f8268…

MALICIOUS

PDF

42.3 KB Created: 2021-05-16 23:00:31 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 84dd03f0b3a03aa6e68f94b6734733af SHA-1: ed65bc0cae374d1a0e26c48b1967efcca615d24a SHA-256: 8e5dd68a750f8268e2b6925d7cecc2c491a0dc33b2d9ea3c867aa273b966f24d
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains embedded links that redirect to malicious infrastructure, specifically promoting game hacks and currency generators. The presence of a visual download button lure further supports a malicious intent to trick users into clicking these links. While no scripts were explicitly extracted, the PDF structure and embedded URLs strongly indicate a phishing or scam attempt, likely delivered as a spearphishing attachment.

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/431946152/robux-no-human-verification-game-hack In PDF document text
    • https://vierabyragazze.com/upload/files/coin-master-daily-free-spins-and-coins_GM406889139.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/how-to-hack-roblox_GM431946152.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/coin-master-generator-hack_GM406889139.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/free-cracked-minecraft-server-hosting_GM479516143.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/coin-master-hacking-news_GM406889139.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/coin-master-hack-https-coinms-net_GM406889139.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/best-minecraft-hacked-client-2021_GM479516143.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/coin-and-spin-link_GM406889139.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/coin-master-free-spin-realme-products_GM406889139.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/how-to-get-minecraft-for-free-on-chromebook_GM479516143.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/free-robux-youtube_GM431946152.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/bloxpage-free-robux_GM431946152.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/robux-in_GM431946152.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/free-spins-for-coin-master-app_GM406889139.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/coin-master-hack-2021-free_GM406889139.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/how-to-coin-master-spin-hack_GM406889139.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/facebook-coin-master-hack_GM406889139.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/free-coins-coin-master-2021_GM406889139.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/free-spin-and-coin-blogspot_GM406889139.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/how-do-you-get-free-robux_GM431946152.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_off0000489f.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x489F 24772 bytes
SHA-256: 60af0d8ce4d37c8afb0074cdca014f0d483e6588969e49c4c88d50315bcc818c
font_01_sfnt_off00008182.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8182 18696 bytes
SHA-256: b0b7efb10b2be72ca1f11f5058a16b7f706f868f5fc2e7590f71e4c885e22b6d

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