Malicious PDF — malware analysis report

Static analysis result for SHA-256 e4f946a26721c4d7…

MALICIOUS

PDF

34.4 KB Created: 2021-06-27 03:14:14 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 34fbd3c18050f434c1880cd2e1a34439 SHA-1: f9dddec9f5529ee7b5ec8b75a6846e3dd5a9a8af SHA-256: e4f946a26721c4d74f95bc8a63d826206789e3a51569190d811fcaf5d6ca68b4
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains multiple links that redirect to malicious infrastructure, masquerading as game hacks and generators. The presence of these links and the heuristic firings indicate a social engineering lure designed to trick users into visiting potentially harmful websites. The document's content and structure strongly suggest a phishing or scam attempt.

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/roblox-hack-script-pastebin-2021-game-hack In PDF document text
    • http://iprep-u.com/images/free-robux-hack-generator-2021-july_GM431946152.pdfIn PDF document text
    • http://iprep-u.com/images/coin-master-free-coins-links-2021_GM406889139.pdfIn PDF document text
    • http://iprep-u.com/images/free-robux-not-a-scam-ehclips_GM431946152.pdfIn PDF document text
    • http://iprep-u.com/images/free-robux-no-human-verification-or-survey-2021_GM431946152.pdfIn PDF document text
    • http://iprep-u.com/images/how-to-get-fre-robux-2021-not-fake-ral-2021_GM431946152.pdfIn PDF document text
    • http://iprep-u.com/images/get-free-robux-com_GM431946152.pdfIn PDF document text
    • http://iprep-u.com/images/cheat-engine-kicks-me-from-roblox_GM431946152.pdfIn PDF document text
    • http://iprep-u.com/images/free-roblox-shirt-in-game_GM431946152.pdfIn PDF document text
    • http://iprep-u.com/images/coin-master-free-spins-facebook_GM406889139.pdfIn PDF document text
    • http://iprep-u.com/images/free-robux-generator-2021-no-human-verification_GM431946152.pdfIn PDF document text
    • http://iprep-u.com/images/indidojoe-robux-hack_GM431946152.pdfIn PDF document text
    • http://iprep-u.com/images/minecraft-hack-2021_GM479516143.pdfIn PDF document text
    • http://iprep-u.com/images/free-coin-spin-daily-link-coin-master_GM406889139.pdfIn PDF document text
    • http://iprep-u.com/images/free-100-robux_GM431946152.pdfIn PDF document text
    • http://iprep-u.com/images/how-do-you-get-free-robux_GM431946152.pdfIn PDF document text
    • http://iprep-u.com/images/coin-master-link-today_GM406889139.pdfIn PDF document text
    • http://iprep-u.com/images/free-coin-master-coins_GM406889139.pdfIn PDF document text
    • http://iprep-u.com/images/free-robux-access-code_GM431946152.pdfIn PDF document text
    • http://iprep-u.com/images/minecraft-for-free-games_GM479516143.pdfIn PDF document text
    • http://iprep-u.com/images/how-to-get-any-face-on-roblox-for-free-2021_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002e9e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2E9E 22148 bytes
SHA-256: 27437c04ea9b6de8ce56f3d1ab1d689e9289d636c04164a5159b1d9e9287ba59
font_01_sfnt_off00005fa6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5FA6 19612 bytes
SHA-256: 242bf929fedc09d1c731da1d2fecac420e52454100e9ef4d18a7df3989e60621