Malicious PDF — malware analysis report

Static analysis result for SHA-256 e193a70b7a07bcd3…

MALICIOUS

PDF

41.1 KB Created: 2021-05-17 04:12:26 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 58bee6cc65a796f1c2f22b3000bebad0 SHA-1: 2798542d12e9cc8c139e7129b3ec5a7b93522b14 SHA-256: e193a70b7a07bcd366e7ca87c14f5adc904d9cccdf1971cc7efedbd962d93a4f
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to known malicious redirectors and game hack lures, indicating a phishing or scam attempt. The ML classifier strongly flagged this PDF as malicious. The embedded URLs likely lead to further malicious content or exploit 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/406889139/coin-master-cheats-free-game-hack In PDF document text
    • http://d-cision.nl/images/roblox-hacked-com-2021_GM431946152.pdfIn PDF document text
    • http://d-cision.nl/images/get-free-robux-com_GM431946152.pdfIn PDF document text
    • http://d-cision.nl/images/hack-coin-master-apk-33_GM406889139.pdfIn PDF document text
    • http://d-cision.nl/images/best-free-spins-link-coin-master_GM406889139.pdfIn PDF document text
    • http://d-cision.nl/images/i-got-hacked-on-roblox_GM431946152.pdfIn PDF document text
    • http://d-cision.nl/images/free-coins-and-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://d-cision.nl/images/how-to-get-free-robux-promo-codes_GM431946152.pdfIn PDF document text
    • http://d-cision.nl/images/minecraft_GM479516143.pdfIn PDF document text
    • http://d-cision.nl/images/coin-master-hack-apk-2021_GM406889139.pdfIn PDF document text
    • http://d-cision.nl/images/real-free-robux-generator_GM431946152.pdfIn PDF document text
    • http://d-cision.nl/images/roblox-premium-free_GM431946152.pdfIn PDF document text
    • http://d-cision.nl/images/roblox-character-free_GM431946152.pdfIn PDF document text
    • http://d-cision.nl/images/how-to-get-free-robux-on-roblox_GM431946152.pdfIn PDF document text
    • http://d-cision.nl/images/how-to-get-minecraft-coins-for-free_GM479516143.pdfIn PDF document text
    • http://d-cision.nl/images/free-coin-master-s_GM406889139.pdfIn PDF document text
    • http://d-cision.nl/images/can-i-have-robux_GM431946152.pdfIn PDF document text
    • http://d-cision.nl/images/how-to-get-free-spins-in-coin-master_GM406889139.pdfIn PDF document text
    • http://d-cision.nl/images/how-to-get-free-spins-on-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://d-cision.nl/images/coin-master-online-hack-2021_GM406889139.pdfIn PDF document text
    • http://d-cision.nl/images/how-to-get-free-robux-2021-easy_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_off000046b4.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x46B4 25120 bytes
SHA-256: 29b8c3794247e3040bc72a50d3107ccfa0e6e50af96a2344c13952e79ee4fdae
font_01_sfnt_off00007f85.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7F85 17876 bytes
SHA-256: 3080be39145a7e19e49f31c27d216b7ef11c5a53cf2903de633486ff32396878

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