Malicious PDF — malware analysis report

Static analysis result for SHA-256 47a840256e8e056d…

MALICIOUS

PDF

33.7 KB Created: 2021-07-06 16:21:25 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 4d00bc80a5b44dd6efcd9faed54bbb25 SHA-1: fb81c38b3e3956902efde18253bbd3aef99ba2ba SHA-256: 47a840256e8e056dbe8913b2830ddd8744a04cd97401fc98ca6a94dbd5c97405
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded links, including one that redirects to known malicious infrastructure. The document body text and extracted URLs suggest a lure for game hacks or in-game currency, which is a common social engineering tactic. The presence of a malicious redirector indicates an attempt to deliver a secondary payload or lead the user to a phishing site.

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.tw/app/479516143/wurst-18-game-hack In PDF document text
    • https://planetzoe.hr/files/minecraft-hack-client-download_GM479516143.pdfIn PDF document text
    • https://www.planetzoe.hr/files/new-free-items-on-roblox-promocode_GM431946152.pdfIn PDF document text
    • https://planetzoe.hr/files/roblox-x-hack_GM431946152.pdfIn PDF document text
    • https://planetzoe.hr/files/i-robux_GM431946152.pdfIn PDF document text
    • https://planetzoe.hr/files/who-hack-in-roblox_GM431946152.pdfIn PDF document text
    • https://www.planetzoe.hr/files/coin-master-hack-download-2021_GM406889139.pdfIn PDF document text
    • https://www.planetzoe.hr/files/free-robux-generator-2021-no-survey_GM431946152.pdfIn PDF document text
    • https://www.planetzoe.hr/files/free-robux-hack-2021_GM431946152.pdfIn PDF document text
    • https://planetzoe.hr/files/download-coin-master-free-spins-link-2021-today_GM406889139.pdfIn PDF document text
    • https://www.planetzoe.hr/files/coin-master-free-spin-no-offers_GM406889139.pdfIn PDF document text
    • https://planetzoe.hr/files/free-roblox-rap-songs_GM431946152.pdfIn PDF document text
    • https://www.planetzoe.hr/files/free-online-roblox-water-park_GM431946152.pdfIn PDF document text
    • https://planetzoe.hr/files/work-at-a-pizza-place-roblox-hack_GM431946152.pdfIn PDF document text
    • https://planetzoe.hr/files/play-minecraft-online-free_GM479516143.pdfIn PDF document text
    • https://planetzoe.hr/files/how-to-get-free-clothes-in-roblox-on-phone_GM431946152.pdfIn PDF document text
    • https://planetzoe.hr/files/10-ways-how-to-get-free-robux_GM431946152.pdfIn PDF document text
    • https://www.planetzoe.hr/files/roblox-land-free-robux_GM431946152.pdfIn PDF document text
    • https://www.planetzoe.hr/files/apps-to-get-free-robux_GM431946152.pdfIn PDF document text
    • https://planetzoe.hr/files/coin-master-gold-cards-hack-english_GM406889139.pdfIn PDF document text
    • https://planetzoe.hr/files/robux-hack-no-human-verification-2021-or-survey_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_off00002fb8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2FB8 22232 bytes
SHA-256: 1b3c3f2d2d5bc97866a48044351cef63e45bb7fe58b92b5dde07dee66b43b20d
font_01_sfnt_off000060cb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x60CB 18388 bytes
SHA-256: f7343f89130bbe7749ba861c18716880cd21441eb855f17b99e2147c09a8a62a

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