Malicious PDF — malware analysis report

Static analysis result for SHA-256 1d972aa01619f988…

MALICIOUS

PDF

46.6 KB Created: 2021-05-12 08:08:58 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 0308a51fbd9deb52f88d980da651dc16 SHA-1: 5c136a6ad9b3ca03e9462fcb27d6ca1bb4b7a7f2 SHA-256: 1d972aa01619f98866cbcf3467e081b8ab51141a687978bbd8ea418588ad5189
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document employs a lure of free game hacks and currency to entice users. It contains multiple embedded URLs that lead to known malicious redirector infrastructure, specifically pointing to 'roblox-fun-com-free-robux-game-hack'. The document's structure and embedded links strongly suggest it is designed to redirect users to potentially harmful websites, likely for further exploitation or malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8948

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/roblox-fun-com-free-robux-game-hack In PDF document text
    • http://pustaka.stitdarulhijrahmtp.ac.id/repository/the-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://pustaka.stitdarulhijrahmtp.ac.id/repository/coin-master-free-spins-link_GM406889139.pdfIn PDF document text
    • http://pustaka.stitdarulhijrahmtp.ac.id/repository/free-robux-codes-generator-no-verification_GM431946152.pdfIn PDF document text
    • http://pustaka.stitdarulhijrahmtp.ac.id/repository/free-robux-sites-2021_GM431946152.pdfIn PDF document text
    • http://pustaka.stitdarulhijrahmtp.ac.id/repository/free-robux-generator-2021_GM431946152.pdfIn PDF document text
    • http://pustaka.stitdarulhijrahmtp.ac.id/repository/hack-robux_GM431946152.pdfIn PDF document text
    • http://pustaka.stitdarulhijrahmtp.ac.id/repository/how-to-hack-and-get-free-robux_GM431946152.pdfIn PDF document text
    • http://pustaka.stitdarulhijrahmtp.ac.id/repository/coin-master-mod-version-free-download_GM406889139.pdfIn PDF document text
    • http://pustaka.stitdarulhijrahmtp.ac.id/repository/daily-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://pustaka.stitdarulhijrahmtp.ac.id/repository/coins-master-hack_GM406889139.pdfIn PDF document text
    • http://pustaka.stitdarulhijrahmtp.ac.id/repository/roblox-rape-hack_GM431946152.pdfIn PDF document text
    • http://pustaka.stitdarulhijrahmtp.ac.id/repository/coin-master-hack-apk-android-1_GM406889139.pdfIn PDF document text
    • http://pustaka.stitdarulhijrahmtp.ac.id/repository/how-to-get-minecraft-for-free-on-ipad_GM479516143.pdfIn PDF document text
    • http://pustaka.stitdarulhijrahmtp.ac.id/repository/minecraft-gun-mod-download-free_GM479516143.pdfIn PDF document text
    • http://pustaka.stitdarulhijrahmtp.ac.id/repository/free-spins-coin-master-links-2021_GM406889139.pdfIn PDF document text
    • http://pustaka.stitdarulhijrahmtp.ac.id/repository/free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://pustaka.stitdarulhijrahmtp.ac.id/repository/how-do-you-install-minecraft-for-free_GM479516143.pdfIn PDF document text
    • http://pustaka.stitdarulhijrahmtp.ac.id/repository/free-robux-without-human-verification_GM431946152.pdfIn PDF document text
    • http://pustaka.stitdarulhijrahmtp.ac.id/repository/free-coin-master-hacks_GM406889139.pdfIn PDF document text
    • http://pustaka.stitdarulhijrahmtp.ac.id/repository/impact-minecraft-hack_GM479516143.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004a98.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4A98 28036 bytes
SHA-256: 46410708eb7bba7ba2cf931b914c1dee1376651e4f5d5babf3357b8520f8660c
font_01_sfnt_off00008913.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8913 3096 bytes
SHA-256: d05729863dc05721ada29044278030255eeda038236568e8246a87d3a8573d6e
font_02_sfnt_off000093bf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x93BF 18348 bytes
SHA-256: 9560f0e6f9a4e6be006083e3696e79311a38bb173f302534750988b281bae61f

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