Malicious PDF — malware analysis report

Static analysis result for SHA-256 0f5be0fc4eedc97b…

MALICIOUS

PDF

42.8 KB Created: 2021-05-15 01:36:01 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: a9653d560b90e7ad5f996aee512be39e SHA-1: fa1e5dc903eb5cf16299e2f5dbf1ed33d6187e70 SHA-256: 0f5be0fc4eedc97b0e64cbddd410cadedbdbf67f150dfd0faae0fe8dc9673fdd
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links to malicious redirectors, masquerading as generators for game items and accounts. The primary link directs users to 'https://netcdn.xyz/app/431946152/free-roblox-accounts-2021-with-robux-game-hack', which is flagged as malicious infrastructure. The document body and embedded URLs reinforce this lure, aiming to entice users to click through to potentially harmful sites.

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/431946152/free-roblox-accounts-2021-with-robux-game-hack In PDF document text
    • http://panaceafamilymedicine.com/images/get-free-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://panaceafamilymedicine.com/images/coin-master-attack-block-hack_GM406889139.pdfIn PDF document text
    • http://panaceafamilymedicine.com/images/how-to-get-free-cards-for-coin-master_GM406889139.pdfIn PDF document text
    • http://panaceafamilymedicine.com/images/coin-master-pro-hack_GM406889139.pdfIn PDF document text
    • http://panaceafamilymedicine.com/images/how-to-get-free-robux-without-verifying_GM431946152.pdfIn PDF document text
    • http://panaceafamilymedicine.com/images/aimbot-download-roblox_GM431946152.pdfIn PDF document text
    • http://panaceafamilymedicine.com/images/coin-master-gold-cards-free_GM406889139.pdfIn PDF document text
    • http://panaceafamilymedicine.com/images/8bp-hack-coin-master_GM406889139.pdfIn PDF document text
    • http://panaceafamilymedicine.com/images/hacked-roblox-accounts-list_GM431946152.pdfIn PDF document text
    • http://panaceafamilymedicine.com/images/free-spin-today-coin-master_GM406889139.pdfIn PDF document text
    • http://panaceafamilymedicine.com/images/hack-coin-master-apk-32_GM406889139.pdfIn PDF document text
    • http://panaceafamilymedicine.com/images/robux-free-2021_GM431946152.pdfIn PDF document text
    • http://panaceafamilymedicine.com/images/free-robux-generator-com-roblox-hack_GM431946152.pdfIn PDF document text
    • http://panaceafamilymedicine.com/images/coin-master-free-cards-and-spin-link_GM406889139.pdfIn PDF document text
    • http://panaceafamilymedicine.com/images/minecraft-pe-apk-download-free-015-0_GM479516143.pdfIn PDF document text
    • http://panaceafamilymedicine.com/images/coin-master-hack-2021-android-apk_GM406889139.pdfIn PDF document text
    • http://panaceafamilymedicine.com/images/get-robux-today_GM431946152.pdfIn PDF document text
    • http://panaceafamilymedicine.com/images/robux-com-free_GM431946152.pdfIn PDF document text
    • http://panaceafamilymedicine.com/images/haktuts-coin-master-spins_GM406889139.pdfIn PDF document text
    • http://panaceafamilymedicine.com/images/how-to-get-free-robux-without-downloading-any-apps_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_off00004a87.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4A87 24284 bytes
SHA-256: 1b128ccc92360cfdeadeecb54f2ef2c0600bb14c611ede3a46a59e3b345f73a8
font_01_sfnt_off0000826a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x826A 19076 bytes
SHA-256: a3899638bf51e335cbc40673d1471e0832e9a39f88469ef4ed0809ba61e6f618

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