Malicious PDF — malware analysis report

Static analysis result for SHA-256 0d853abc23302b65…

MALICIOUS

PDF

48.2 KB Created: 2021-06-09 15:56:53 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: f6d581f275a11e99f74d5faa9fbc957c SHA-1: d188fd6b1cbd4e641735d25a9c4f9757807da27f SHA-256: 0d853abc23302b6508bb6196b4e6c7bbca712efbe93396e0b99b9a52e2698948
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a link to a known malicious redirector infrastructure, disguised as a game hack generator. The document body and heuristics indicate a lure for free game items or hacks, which is a common social engineering tactic. The embedded URL likely leads to a second-stage download or further redirection.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9796

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.tw/app/431946152/roblox-seven-deadly-sins-online-script-hacked-game-hack In PDF document text
    • http://britishcomics.com/images/free-coins-coin-master-blog_GM406889139.pdfIn PDF document text
    • http://britishcomics.com/images/roblox-minion-shirt-free_GM431946152.pdfIn PDF document text
    • http://britishcomics.com/images/can-you-still-get-minecraft-windows-10-for-free_GM479516143.pdfIn PDF document text
    • http://britishcomics.com/images/how-to-get-free-spins-on-coin-master-without-verification_GM406889139.pdfIn PDF document text
    • http://britishcomics.com/images/how-to-use-cheat-engine-on-roblox-high-school_GM431946152.pdfIn PDF document text
    • http://britishcomics.com/images/how-to-get-free-robux-without-download-apps-or-survey_GM431946152.pdfIn PDF document text
    • http://britishcomics.com/images/free-minecraft-coloring-pages_GM479516143.pdfIn PDF document text
    • http://britishcomics.com/images/coin-master-game-hack-apk_GM406889139.pdfIn PDF document text
    • http://britishcomics.com/images/2021-infinit-robux-hack_GM431946152.pdfIn PDF document text
    • http://britishcomics.com/images/dantdm-free-roblox-accounts_GM431946152.pdfIn PDF document text
    • http://britishcomics.com/images/corn-master_GM406889139.pdfIn PDF document text
    • http://britishcomics.com/images/coin-master-free-coins-link_GM406889139.pdfIn PDF document text
    • http://britishcomics.com/images/minecraft-windows-10-edition-free_GM479516143.pdfIn PDF document text
    • http://britishcomics.com/images/coin-master-free-link_GM406889139.pdfIn PDF document text
    • http://britishcomics.com/images/coin-master-free-2021-spin-link_GM406889139.pdfIn PDF document text
    • http://britishcomics.com/images/how-do-u-hack-roblox_GM431946152.pdfIn PDF document text
    • http://britishcomics.com/images/free-spins-from-coin-master_GM406889139.pdfIn PDF document text
    • http://britishcomics.com/images/how-to-hack-roblox-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://britishcomics.com/images/minecraft-free-download-ios_GM479516143.pdfIn PDF document text
    • http://britishcomics.com/images/minecraft-free-online_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_004_off00005142.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x5142 26356 bytes
SHA-256: 2609bab0e2ecd20ca391ada6d79db2dbda54bbe0172c0908436ddc09a3d1c9a4
font_01_sfnt_off00008ca7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8CA7 2944 bytes
SHA-256: e8dca988325d5b5adea380508eed68725fcb814536e93cd420f224b7166adc23
font_02_sfnt_off000096d2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x96D2 19216 bytes
SHA-256: 85497c694d8e6e27e52aba40436f9a442a3e257f47a72a840685e7690a3833e7

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