Malicious PDF — malware analysis report

Static analysis result for SHA-256 04bb14269f02d731…

MALICIOUS

PDF

34.6 KB Created: 2021-07-05 19:33:58 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-11-23
MD5: 938481f7a2506ce39f873d30ffcd4d0a SHA-1: cf5bc846bede988d263d8b0950404c22b0a45fe9 SHA-256: 04bb14269f02d731f3ec796182796afe3bbaba6e14e561cce3bb46b2e73b9f7a
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains multiple links that redirect to known malicious infrastructure, specifically promoting 'game hacks' and 'free generators'. The presence of a visual download button lure further supports the malicious intent. The primary link, http://netcdn.tw/app/479516143/minecraft-hacks-list-game-hack, is identified as a malicious redirector. The document's purpose is to trick users into visiting these malicious sites, likely to download further malware or engage in scams.

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/minecraft-hacks-list-game-hack In PDF document text
    • http://library.gkigadingserpong.org/repository/how-to-get-the-green-dragon-wings-roblox-for-free_GM431946152.pdfIn PDF document text
    • http://library.gkigadingserpong.org/repository/casini-free-robux_GM431946152.pdfIn PDF document text
    • http://library.gkigadingserpong.org/repository/free-robux-generator-for-roblox-2021_GM431946152.pdfIn PDF document text
    • http://www.library.gkigadingserpong.org/repository/coinmaster-gps-user-review-coinmaster-coin-master-hack-pagedemo-index_GM406889139.pdfIn PDF document text
    • http://library.gkigadingserpong.org/repository/pokemon-go-free-6th-gen_GM1094591345.pdfIn PDF document text
    • http://library.gkigadingserpong.org/repository/coin-master-daily-free-spins-and-coins_GM406889139.pdfIn PDF document text
    • http://library.gkigadingserpong.org/repository/cheats-for-coin-master_GM406889139.pdfIn PDF document text
    • http://library.gkigadingserpong.org/repository/how-to-get-free-robux-hack-on-ios_GM431946152.pdfIn PDF document text
    • http://library.gkigadingserpong.org/repository/coin-master-no-download-app-but-play-for-free_GM406889139.pdfIn PDF document text
    • http://library.gkigadingserpong.org/repository/roblox-apk-hack_GM431946152.pdfIn PDF document text
    • http://library.gkigadingserpong.org/repository/how-to-get-free-clothes-on-roblox_GM431946152.pdfIn PDF document text
    • http://library.gkigadingserpong.org/repository/free-robux-without-verification-or-survey_GM431946152.pdfIn PDF document text
    • http://library.gkigadingserpong.org/repository/adopt-me-roblox-hack-script_GM431946152.pdfIn PDF document text
    • http://library.gkigadingserpong.org/repository/get-robux-for-free-2021_GM431946152.pdfIn PDF document text
    • http://library.gkigadingserpong.org/repository/how-to-hack-and-get-free-robux_GM431946152.pdfIn PDF document text
    • http://www.library.gkigadingserpong.org/repository/hack-version-coin-master-apk_GM406889139.pdfIn PDF document text
    • http://library.gkigadingserpong.org/repository/free-game-pack-with-google-play-coin-master_GM406889139.pdfIn PDF document text
    • http://www.library.gkigadingserpong.org/repository/free-vip-roblox_GM431946152.pdfIn PDF document text
    • http://www.library.gkigadingserpong.org/repository/free-robux-now_GM431946152.pdfIn PDF document text
    • http://www.library.gkigadingserpong.org/repository/caught-my-girlfriend-cheating-on-me-roblox_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_off000032a7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x32A7 22872 bytes
SHA-256: efda021b9407803f3178458627d8700d60410f546899f20a837f47cc90b7e1c3
font_01_sfnt_off00006560.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6560 18024 bytes
SHA-256: b225453983b0d4b7b59ed967647751f27ffd76b719c1a81b68b4b34d029f1afd

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