Malicious PDF — malware analysis report

Static analysis result for SHA-256 6feec994b29e2b9d…

MALICIOUS

PDF

43.4 KB Created: 2021-05-19 16:08:32 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-08-25
MD5: dab2029de880f30114be6dd351b7e133 SHA-1: 569dfa26a5fbd8539e1fa7c0ab3762e970577376 SHA-256: 6feec994b29e2b9de4cfaec8e83e1c9614ec76de653967186d59ecb0f02d4434
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links that redirect to malicious infrastructure, masquerading as game hacks and generators. The ML classifier also flagged this PDF as malicious. The embedded links likely serve to download further malicious content or redirect users to phishing sites.

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/coin-master-free-spons-apk-2021-game-hack In PDF document text
    • https://ceranique.nl/images/best-minecraft-hacks_GM479516143.pdfIn PDF document text
    • https://ceranique.nl/images/roblox-hacked-version_GM431946152.pdfIn PDF document text
    • https://ceranique.nl/images/roblox-printables-free_GM431946152.pdfIn PDF document text
    • https://ceranique.nl/images/coin-master-free-spins-2021-generator_GM406889139.pdfIn PDF document text
    • https://ceranique.nl/images/fbchampion-com_GM406889139.pdfIn PDF document text
    • https://ceranique.nl/images/coin-master-free-spin-and-coins-links_GM406889139.pdfIn PDF document text
    • https://ceranique.nl/images/free-robux-com-no-verification_GM431946152.pdfIn PDF document text
    • https://ceranique.nl/images/coin-master-hacks-2021_GM406889139.pdfIn PDF document text
    • https://ceranique.nl/images/free-robux-hacker-us_GM431946152.pdfIn PDF document text
    • https://ceranique.nl/images/download-hacked-games-coin-master_GM406889139.pdfIn PDF document text
    • https://ceranique.nl/images/roblox-free-robux-website_GM431946152.pdfIn PDF document text
    • https://ceranique.nl/images/como-hackear-coin-master-sin-verificacion-humana_GM406889139.pdfIn PDF document text
    • https://ceranique.nl/images/free-robux-with-no-survey_GM431946152.pdfIn PDF document text
    • https://ceranique.nl/images/www-robux_GM431946152.pdfIn PDF document text
    • https://ceranique.nl/images/how-to-get-free-spins-and-coins-in-coin-master_GM406889139.pdfIn PDF document text
    • https://ceranique.nl/images/free-spins-coin-master-hack_GM406889139.pdfIn PDF document text
    • https://ceranique.nl/images/coin-master-free-spin-group_GM406889139.pdfIn PDF document text
    • https://ceranique.nl/images/get-free-cards-in-coin-master_GM406889139.pdfIn PDF document text
    • https://ceranique.nl/images/rbx-place-free-robux_GM431946152.pdfIn PDF document text
    • https://ceranique.nl/images/free-robux-no-anti-bot-verification_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off000049c8.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x49C8 26780 bytes
SHA-256: 078ac6dd9c0dbfdffc8ce3fb967a8b65bbf091faa582c1501f9b452c64f107a5
font_01_sfnt_off000086a7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x86A7 18456 bytes
SHA-256: 29cdb33c079fef0813399b5d3456e0cee6bb382532089b205a8c189028fb290e

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