Malicious PDF — malware analysis report

Static analysis result for SHA-256 d7419d96cb4bbf7e…

MALICIOUS

PDF

43.2 KB Created: 2021-05-16 00:02:16 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 25503ab834a3787e1945803e66437a89 SHA-1: c3e60be36f80a34f44dc31b4a44783e873561faf SHA-256: d7419d96cb4bbf7e15fb5105e067c058f7ea756eefb7bed89a468404327821b6
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains links to known malicious redirectors and lures users with promises of game hacks and free items. The document body and embedded URLs suggest a social engineering tactic to trick users into visiting malicious sites, likely to download further malware or engage in phishing. The presence of embedded URLs and the nature of the lures strongly indicate a malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9969

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/master-coin-free-link-game-hack In PDF document text
    • https://vierabyragazze.com/upload/files/how-to-hack-coin-master-cheat-engine_GM406889139.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/coin-master-free-gift-cards_GM406889139.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/free-spins-on-coin-master-2021_GM406889139.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/coin-master-hack-safe_GM406889139.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/free-robux-generator-2021_GM431946152.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/free-coins-coin-master-blog_GM406889139.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/how-to-hack-minecraft-pe_GM479516143.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/coin-master-free-spins-only_GM406889139.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/minecraft-hacks-ps4_GM479516143.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/coin-master-hack-co_GM406889139.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/minecraft-free-version-pc_GM479516143.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/how-to-get-free-robux-no-human-verification-2021_GM431946152.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/free-robux-without-offers_GM431946152.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/roblox-hack-codes_GM431946152.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/hack-coin-master-download_GM406889139.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/robux-hack_GM431946152.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/how-to-get-free-golden-card-in-coin-master_GM406889139.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/fbchampion-com_GM406889139.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/coin-master-free-2021-spin-link_GM406889139.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/coin-master-hack-software-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_off00004a4c.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4A4C 26872 bytes
SHA-256: 0f023f349f544d6bb7d68d1c7d1f89e74a02ed66b6721dbca371d0279dd553c8
font_01_sfnt_off000087e1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x87E1 17880 bytes
SHA-256: f325bc51a5f33ec2ea6c889aa635c0e4104002a1859551a05fb0fcec2a10294b

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