Malicious PDF — malware analysis report

Static analysis result for SHA-256 6782e5f35a375aa0…

MALICIOUS

PDF

45.2 KB Created: 2021-05-19 04:45:24 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: bac0826b4820cb9978230571274a3232 SHA-1: 2d3aefbeaf2f6961320f2f78b3761553df82c67d SHA-256: 6782e5f35a375aa095b743ef6ffa587554c8f21e5fbeedafcd7d7bc0a52b501d
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to known malicious redirectors, masquerading as game hacks and generators. The document body and embedded URLs suggest a lure for users seeking free in-game items or cheats, which ultimately redirects to potentially harmful content. No scripts were extracted, but the presence of malicious links and the lure indicate a phishing or redirection attack.

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 https://netcdn.xyz/app/479516143/free-minecraft-servers-to-join-game-hack In PDF document text
    • http://kim-kinder-im-mittelpunkt.de/images/coin-master-free-spins-2021_GM406889139.pdfIn PDF document text
    • http://kim-kinder-im-mittelpunkt.de/images/minecraft-pe-hacks_GM479516143.pdfIn PDF document text
    • http://kim-kinder-im-mittelpunkt.de/images/coin-master-hack-app-download-free_GM406889139.pdfIn PDF document text
    • http://kim-kinder-im-mittelpunkt.de/images/how-to-hack-and-get-free-robux_GM431946152.pdfIn PDF document text
    • http://kim-kinder-im-mittelpunkt.de/images/coin-master-hack-tool-v1-9-download-free_GM406889139.pdfIn PDF document text
    • http://kim-kinder-im-mittelpunkt.de/images/minecraft-pe-015-0-apk-free-download_GM479516143.pdfIn PDF document text
    • http://kim-kinder-im-mittelpunkt.de/images/free-spin-link-coin-master-today_GM406889139.pdfIn PDF document text
    • http://kim-kinder-im-mittelpunkt.de/images/how-to-get-free-robux-2021_GM431946152.pdfIn PDF document text
    • http://kim-kinder-im-mittelpunkt.de/images/free-robux-generator_GM431946152.pdfIn PDF document text
    • http://kim-kinder-im-mittelpunkt.de/images/free-spins-and-coins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://kim-kinder-im-mittelpunkt.de/images/worst-client_GM479516143.pdfIn PDF document text
    • http://kim-kinder-im-mittelpunkt.de/images/free-robux-no-survey-or-human-verification_GM431946152.pdfIn PDF document text
    • http://kim-kinder-im-mittelpunkt.de/images/free-robux-2021_GM431946152.pdfIn PDF document text
    • http://kim-kinder-im-mittelpunkt.de/images/roblox-promo-codes-2021-robux_GM431946152.pdfIn PDF document text
    • http://kim-kinder-im-mittelpunkt.de/images/blox-pink-robux-free_GM431946152.pdfIn PDF document text
    • http://kim-kinder-im-mittelpunkt.de/images/get-free-lives-on-coin-master_GM406889139.pdfIn PDF document text
    • http://kim-kinder-im-mittelpunkt.de/images/free-robux-on-iphone_GM431946152.pdfIn PDF document text
    • http://kim-kinder-im-mittelpunkt.de/images/free-robux-without-any-verification_GM431946152.pdfIn PDF document text
    • http://kim-kinder-im-mittelpunkt.de/images/how-to-get-free-robux-without-human-verification-2021_GM431946152.pdfIn PDF document text
    • http://kim-kinder-im-mittelpunkt.de/images/robuxglobalcom-no-verification_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
stream_003_off00004c8b.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4C8B 29768 bytes
SHA-256: d5f1f1d4e5be333e995fd47cb486c43d5d5fcafc48214fdba63b1457d41676f0
font_01_sfnt_off00008f81.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8F81 17992 bytes
SHA-256: f4dddb1eb99788babbc28e2933b16aea696a65c0930c8e69ff3f00d50dcb50ca

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