Malicious PDF — malware analysis report

Static analysis result for SHA-256 746bff95f351c438…

MALICIOUS

PDF

47.8 KB Created: 2021-05-12 16:05:14 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 6c55fda3573f9292521e73d165da482a SHA-1: 5e0a31942981a1a3597afff014073baf441f32e4 SHA-256: 746bff95f351c4389e56509cd84f9c0eb26cc4b04c3e4adca72d97380b7c52f7
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document employs a common lure for game-related cheats and generators, directing users to external URLs. The presence of multiple links, including one identified as a known malicious redirector, strongly suggests an attempt to lead the user to a malicious site or download a secondary payload. No scripts were extracted, but the document structure and embedded URLs are indicative of a phishing or redirection attack.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9013

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-online-generator-game-hack In PDF document text
    • https://www.indovisionjogja.web.id/ckfinder/userfiles/files/coin-master-free-spins-save_GM406889139.pdfIn PDF document text
    • https://www.indovisionjogja.web.id/ckfinder/userfiles/files/blogspot-coin-master_GM406889139.pdfIn PDF document text
    • https://www.indovisionjogja.web.id/ckfinder/userfiles/files/coin-master-links-for-free-spins-2021_GM406889139.pdfIn PDF document text
    • https://www.indovisionjogja.web.id/ckfinder/userfiles/files/descargar-hack-coin-master_GM406889139.pdfIn PDF document text
    • https://www.indovisionjogja.web.id/ckfinder/userfiles/files/coin-master-free-link-daily_GM406889139.pdfIn PDF document text
    • https://www.indovisionjogja.web.id/ckfinder/userfiles/files/coin-master-spin-rewards_GM406889139.pdfIn PDF document text
    • https://www.indovisionjogja.web.id/ckfinder/userfiles/files/wurst-download_GM479516143.pdfIn PDF document text
    • https://www.indovisionjogja.web.id/ckfinder/userfiles/files/coin-master-online_GM406889139.pdfIn PDF document text
    • https://www.indovisionjogja.web.id/ckfinder/userfiles/files/will-minecraft-ever-be-free_GM479516143.pdfIn PDF document text
    • https://www.indovisionjogja.web.id/ckfinder/userfiles/files/coin-master-free-spin-and-coin-link-haktuts-hacking-news_GM406889139.pdfIn PDF document text
    • https://www.indovisionjogja.web.id/ckfinder/userfiles/files/how-to-get-free-robux-hack_GM431946152.pdfIn PDF document text
    • https://www.indovisionjogja.web.id/ckfinder/userfiles/files/coin-master-reward-link_GM406889139.pdfIn PDF document text
    • https://www.indovisionjogja.web.id/ckfinder/userfiles/files/coin-master-free-spin-link-today-2021_GM406889139.pdfIn PDF document text
    • https://www.indovisionjogja.web.id/ckfinder/userfiles/files/coin-master-unlimited-spin-and-coin-hack_GM406889139.pdfIn PDF document text
    • https://www.indovisionjogja.web.id/ckfinder/userfiles/files/free-spin-coin-master-app-download_GM406889139.pdfIn PDF document text
    • https://www.indovisionjogja.web.id/ckfinder/userfiles/files/how-to-create-group-in-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • https://www.indovisionjogja.web.id/ckfinder/userfiles/files/how-to-get-free-unlimited-robux_GM431946152.pdfIn PDF document text
    • https://www.indovisionjogja.web.id/ckfinder/userfiles/files/free-robux-codes-2021_GM431946152.pdfIn PDF document text
    • https://www.indovisionjogja.web.id/ckfinder/userfiles/files/how-to-find-coin-master-free-spin-link_GM406889139.pdfIn PDF document text
    • https://www.indovisionjogja.web.id/ckfinder/userfiles/files/coin-master-hack-extension_GM406889139.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_off00004cfc.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4CFC 28164 bytes
SHA-256: 06cd03dfaad7cfac2c068d98c28fbc1a54bb12e4a10fb6ee96d3f0dd02ab4c0a
font_01_sfnt_off00008e68.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8E68 3460 bytes
SHA-256: 27f6ee24b80a0c45a340e32027a43d6c3a7853aac96563eed14d58819399f6a8
font_02_sfnt_off000099d2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x99D2 17788 bytes
SHA-256: f10d9d7ac26b37aa9393865027a0ede53c5b0e24a5f9161d6938870a0e29fed8

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