Malicious PDF — malware analysis report

Static analysis result for SHA-256 7555110bb875cb98…

MALICIOUS

PDF

42.9 KB Created: 2021-05-17 03:05:05 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: a575251322c23c09bff2a17cd6ebf2c9 SHA-1: 52ed98ab6121ba795f6b73f53a57828ee1d05dc1 SHA-256: 7555110bb875cb98459f27d9c4ef35f59b36bcc05ebc448fde4853f893b53dc2
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains multiple links to known malicious redirectors, disguised as game hacks and free generators. The primary malicious URL identified is https://netcdn.xyz/app/479516143/minecraft-windows-10-hacks-game-hack. The document body and embedded artifacts suggest a lure designed to entice users to click these links, likely leading to further malicious content or downloads. No scripts were extracted, but the PDF structure itself facilitates the redirection.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

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/minecraft-windows-10-hacks-game-hack In PDF document text
    • https://pemadamapi.net/images/free-spin-coin-master-apk_GM406889139.pdfIn PDF document text
    • https://pemadamapi.net/images/free-vip-server-roblox_GM431946152.pdfIn PDF document text
    • https://pemadamapi.net/images/get-free-spins-on-coin-master-2021_GM406889139.pdfIn PDF document text
    • https://pemadamapi.net/images/robuxmatch-com-free-robux_GM431946152.pdfIn PDF document text
    • https://pemadamapi.net/images/hack-coin-master-no-verification_GM406889139.pdfIn PDF document text
    • https://pemadamapi.net/images/coin-coin-master-hack_GM406889139.pdfIn PDF document text
    • https://pemadamapi.net/images/coin-master-free-spin-app-apk_GM406889139.pdfIn PDF document text
    • https://pemadamapi.net/images/robux-free-c_GM431946152.pdfIn PDF document text
    • https://pemadamapi.net/images/best-free-coin-master-spins_GM406889139.pdfIn PDF document text
    • https://pemadamapi.net/images/coin-master-hack-2021-no-human-verification_GM406889139.pdfIn PDF document text
    • https://pemadamapi.net/images/is-there-an-actual-hack-that-work-for-coin-master_GM406889139.pdfIn PDF document text
    • https://pemadamapi.net/images/roblox-character-free_GM431946152.pdfIn PDF document text
    • https://pemadamapi.net/images/bloxawards-com-earn-free-robux_GM431946152.pdfIn PDF document text
    • https://pemadamapi.net/images/how-to-get-free-robux-promo-codes_GM431946152.pdfIn PDF document text
    • https://pemadamapi.net/images/how-to-watch-ads-for-free-spins-in-coin-master_GM406889139.pdfIn PDF document text
    • https://pemadamapi.net/images/how-to-hack-roblox_GM431946152.pdfIn PDF document text
    • https://pemadamapi.net/images/latest-coin-master-free-spins-link_GM406889139.pdfIn PDF document text
    • https://pemadamapi.net/images/give-me-free-robux_GM431946152.pdfIn PDF document text
    • https://pemadamapi.net/images/coin-master-hack-progamers_GM406889139.pdfIn PDF document text
    • https://pemadamapi.net/images/minecraft-bedrock-free_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
stream_003_off00004c16.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4C16 24560 bytes
SHA-256: 9ddade04f42e60469d4aea7e21e4747fc22d12cf65c1fd559498e16e1b16f5df
font_01_sfnt_off000083dd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x83DD 18696 bytes
SHA-256: 14f86b407040f424958936cb2b2b49b26067a8980bd50a77917f0563cc1bff87

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