Malicious PDF — malware analysis report

Static analysis result for SHA-256 7686f14125a95a88…

MALICIOUS

PDF

32.2 KB Created: 2021-07-19 13:31:05 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: b887089f61abc242199ed533581072fe SHA-1: e7fa03c5d0a4afd4dff1d7619d613ece20366f8f SHA-256: 7686f14125a95a886c6d9802b0f42eeef51136bc89fc458f9e4239ea52d0606d
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

This PDF document contains multiple links that redirect to known malicious infrastructure, masquerading as free game hacks and generators. The document body includes a call-to-action button and links to various game-related freebies, aiming to trick users into clicking through to potentially harmful sites. The ML classifier also strongly indicated maliciousness.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9900

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.tw/app/479516143/how-to-setup-a-minecraft-server-for-free-game-hack In PDF document text
    • http://auto-mankel.de/images/how-to-get-minecraft-for-free-on-iphone_GM479516143.pdfIn PDF document text
    • http://auto-mankel.de/images/how-to-get-minecraft-java-edition-for-free_GM479516143.pdfIn PDF document text
    • http://auto-mankel.de/images/free-minecraft-mods_GM479516143.pdfIn PDF document text
    • http://auto-mankel.de/images/free-robux_GM431946152.pdfIn PDF document text
    • http://auto-mankel.de/images/coin-master-free-spins-today-daily-links_GM406889139.pdfIn PDF document text
    • http://auto-mankel.de/images/minecraft-skins-free-girl_GM479516143.pdfIn PDF document text
    • http://auto-mankel.de/images/free-robux-no-human-verification-2021_GM431946152.pdfIn PDF document text
    • http://auto-mankel.de/images/free-fans-on-tiktok_GM835599320.pdfIn PDF document text
    • http://auto-mankel.de/images/free-robux-no-human-verification-or-survey-or-download-2021_GM431946152.pdfIn PDF document text
    • http://auto-mankel.de/images/how-to-get-a-free-minecraft-server_GM479516143.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_off00002bc9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2BC9 21824 bytes
SHA-256: bbf924e756f8296421ac9bab0cfb953285fe63a0390c3228673b77b16e3b92ef
font_01_sfnt_off00005bbe.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5BBE 18304 bytes
SHA-256: b0360e651ad81bf5acbb1fd73200378f36351cb2aebcef0077014d987ef32c64

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