Malicious PDF — malware analysis report

Static analysis result for SHA-256 782e215e8fc2f0eb…

MALICIOUS

PDF

40.7 KB Created: 2021-05-10 14:39:58 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-16
MD5: 97e623e689883992ae94a0c5096e259b SHA-1: 86269796d337eaf714b152d556f29f006b725dff SHA-256: 782e215e8fc2f0eb2800e6ec2e8d247373c040ebc1e93b66af868e4b119c1beb
160 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9778

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-hack-spins-free-game-hack In PDF document text
    • https://studiodegaetano.it/images/mcpe-master-coins-hack-download_GM406889139.pdfIn PDF document text
    • https://studiodegaetano.it/images/how-to-get-roblox-money_GM431946152.pdfIn PDF document text
    • https://studiodegaetano.it/images/how-do-you-get-free-pet-food-in-coin-master_GM406889139.pdfIn PDF document text
    • https://studiodegaetano.it/images/master-coins-free_GM406889139.pdfIn PDF document text
    • https://studiodegaetano.it/images/hack-coin-master-net_GM406889139.pdfIn PDF document text
    • https://studiodegaetano.it/images/roblox-studio-free-robux_GM431946152.pdfIn PDF document text
    • https://studiodegaetano.it/images/how-to-get-free-spins-in-coin-master_GM406889139.pdfIn PDF document text
    • https://studiodegaetano.it/images/minecraft-bedrock-download_GM479516143.pdfIn PDF document text
    • https://studiodegaetano.it/images/hack-robux_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00003db4.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3DB4 24036 bytes
SHA-256: 8ca7baade727059915a96c6f3ea8adcd5f8d1b4c9db8728ad51cffda481e053e
font_01_sfnt_off000073aa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x73AA 2880 bytes
SHA-256: 10d025f04f706eb71cdda4f99784df1b9ccb52e48080e43095e0398eaef6f132
font_02_sfnt_off00007d95.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7D95 18056 bytes
SHA-256: 3a48050c63aabf25a2d2ed42cf8c513b78da245fbdfe2ff32403c31c4228eff7

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