Malicious PDF — malware analysis report

Static analysis result for SHA-256 ca0e9d0a5a37120b…

MALICIOUS

PDF

34.7 KB Created: 2021-07-02 00:35:55 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 1ab089d1570b69e79363f8f139f9fd51 SHA-1: be4eb3c36a4c0ed3e3d616d4fda55fbe4019c2f9 SHA-256: ca0e9d0a5a37120b5904597c641269c1a49d4825c6ef9451bc4fadd05a260c25
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links designed to lure users into clicking on them by promising free game hacks and accounts. One of the primary links directs to a known malicious redirector infrastructure, indicating a phishing or scam attempt. The document's content and embedded URLs strongly suggest a social engineering tactic to drive traffic to potentially harmful sites.

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/pastebm-free-roblox-accounts-game-hack In PDF document text
    • https://www.harshulayurpharma.com/uploaded_files/userfiles/files/roblox-skywars-fly-hack-2021_GM431946152.pdfIn PDF document text
    • https://www.harshulayurpharma.com/uploaded_files/userfiles/files/game-hunters-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • https://www.harshulayurpharma.com/uploaded_files/userfiles/files/free-roblox-accounts-with-robux-that-work-2021_GM431946152.pdfIn PDF document text
    • https://www.harshulayurpharma.com/uploaded_files/userfiles/files/como-hack-coin-master_GM406889139.pdfIn PDF document text
    • https://www.harshulayurpharma.com/uploaded_files/userfiles/files/how-to-get-unlimited-robux_GM431946152.pdfIn PDF document text
    • https://www.harshulayurpharma.com/uploaded_files/userfiles/files/free-robux-for-free_GM431946152.pdfIn PDF document text
    • https://www.harshulayurpharma.com/uploaded_files/userfiles/files/how-to-use-cheat-engine-to-level-up-faster-roblox_GM431946152.pdfIn PDF document text
    • https://www.harshulayurpharma.com/uploaded_files/userfiles/files/pubg-uc-600-sri-lanka-price_GM1330123889.pdfIn PDF document text
    • https://www.harshulayurpharma.com/uploaded_files/userfiles/files/dragon-ball-rage-cheats-roblox_GM431946152.pdfIn PDF document text
    • https://www.harshulayurpharma.com/uploaded_files/userfiles/files/can-you-get-minecraft-windows-10-for-free_GM479516143.pdfIn PDF document text
    • https://www.harshulayurpharma.com/uploaded_files/userfiles/files/how-to-see-chegg-answers-free-tiktok_GM835599320.pdfIn PDF document text
    • https://www.harshulayurpharma.com/uploaded_files/userfiles/files/free-robux-no-survey-or-human-verification_GM431946152.pdfIn PDF document text
    • https://www.harshulayurpharma.com/uploaded_files/userfiles/files/roblox-speed-hack_GM431946152.pdfIn PDF document text
    • https://www.harshulayurpharma.com/uploaded_files/userfiles/files/free-robux-pastebin-com_GM431946152.pdfIn PDF document text
    • https://www.harshulayurpharma.com/uploaded_files/userfiles/files/coin-master-hack-apk-free-download_GM406889139.pdfIn PDF document text
    • https://www.harshulayurpharma.com/uploaded_files/userfiles/files/free-op-minecraft-servers_GM479516143.pdfIn PDF document text
    • https://www.harshulayurpharma.com/uploaded_files/userfiles/files/hack-survive-the-diasters-roblox_GM431946152.pdfIn PDF document text
    • https://www.harshulayurpharma.com/uploaded_files/userfiles/files/free-robux-apk_GM431946152.pdfIn PDF document text
    • https://www.harshulayurpharma.com/uploaded_files/userfiles/files/free-face-hack-roblox_GM431946152.pdfIn PDF document text
    • https://www.harshulayurpharma.com/uploaded_files/userfiles/files/how-to-hack-peoples-roblox-accounts_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 2

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_off000030a5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x30A5 22180 bytes
SHA-256: c325bb2543492e66791f1c73499d4427495d34995778172323f9eec29c4ae015
font_01_sfnt_off000061ca.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x61CA 19308 bytes
SHA-256: 154e5d520ce16e614e47b48a6a979c88e52a920e24a5391a7c7a8c73ec873265

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