Malicious PDF — malware analysis report

Static analysis result for SHA-256 c7a7600381621ac0…

MALICIOUS

PDF

35.2 KB Created: 2021-06-30 09:33:54 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-15
MD5: 9f9f0584ad8208c6fbb484929191b162 SHA-1: bbd5d29190164bd8fe4af0f899f3c958c678db38 SHA-256: c7a7600381621ac0cea21994124d66652c7a9af825eee1f3acf3ffcfb91ee9f6
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains embedded links that lure users into clicking on what appears to be a game hack generator. These links redirect to known malicious infrastructure, indicating a phishing or scam attempt. The ML classifier also strongly flagged this PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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 http://netcdn.co/app/431946152/hacks-para-counterblow-roblox-offensive-game-hack In PDF document text
    • https://bormuratourtravel.com/ckfinder/userfiles/files/how-to-get-free-robux-games_GM431946152.pdfIn PDF document text
    • https://bormuratourtravel.com/ckfinder/userfiles/files/coin-master-hack-apk-download-2021_GM406889139.pdfIn PDF document text
    • https://bormuratourtravel.com/ckfinder/userfiles/files/coin-master-gift-link-hack_GM406889139.pdfIn PDF document text
    • https://bormuratourtravel.com/ckfinder/userfiles/files/rbx-free-robux_GM431946152.pdfIn PDF document text
    • https://bormuratourtravel.com/ckfinder/userfiles/files/vip-roblox-free_GM431946152.pdfIn PDF document text
    • https://bormuratourtravel.com/ckfinder/userfiles/files/100-free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
    • https://bormuratourtravel.com/ckfinder/userfiles/files/coin-master-hack-app-2021_GM406889139.pdfIn PDF document text
    • https://bormuratourtravel.com/ckfinder/userfiles/files/can-you-host-a-minecraft-server-for-free_GM479516143.pdfIn PDF document text
    • https://bormuratourtravel.com/ckfinder/userfiles/files/coinmaster-fan-page_GM406889139.pdfIn PDF document text
    • https://bormuratourtravel.com/ckfinder/userfiles/files/free-tiktok-likes-and-followers_GM835599320.pdfIn PDF document text
    • https://bormuratourtravel.com/ckfinder/userfiles/files/free-spins-coin-master-blogspot_GM406889139.pdfIn PDF document text
    • https://bormuratourtravel.com/ckfinder/userfiles/files/roblox-person_GM431946152.pdfIn PDF document text
    • https://bormuratourtravel.com/ckfinder/userfiles/files/roblox-hack-generator_GM431946152.pdfIn PDF document text
    • https://bormuratourtravel.com/ckfinder/userfiles/files/free-robux-promo-codes_GM431946152.pdfIn PDF document text
    • https://bormuratourtravel.com/ckfinder/userfiles/files/roblox-murdermystery-free-online_GM431946152.pdfIn PDF document text
    • https://bormuratourtravel.com/ckfinder/userfiles/files/how-to-hack-coin-master_GM406889139.pdfIn PDF document text
    • https://bormuratourtravel.com/ckfinder/userfiles/files/roblox-hack-2021_GM431946152.pdfIn PDF document text
    • https://bormuratourtravel.com/ckfinder/userfiles/files/free-robux-place_GM431946152.pdfIn PDF document text
    • https://bormuratourtravel.com/ckfinder/userfiles/files/how-to-get-minecraft-coins-for-free_GM479516143.pdfIn PDF document text
    • https://bormuratourtravel.com/ckfinder/userfiles/files/http-coin-master-hack-club_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 6

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
font_00_sfnt_off0000310d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x310D 22404 bytes
SHA-256: 9997f22c1168211029daf6ad84c6c2021d0ddf403947e7662189faaf6abc3c2d
font_01_sfnt_off00006322.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6322 19452 bytes
SHA-256: 1f50decbca5faf56ec9cd4f93205da2e62b23730f4e4fc521e02bc5f80c05335

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