Malicious PDF — malware analysis report

Static analysis result for SHA-256 b29179b726305585…

MALICIOUS

PDF

37.3 KB Created: 2021-06-23 02:33:21 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 8e66a8a0daec3b6562adab24927770ee SHA-1: d83785ca9555860d0add3345bc32401da5c477ed SHA-256: b29179b72630558579745cd20ab144dde263ee4df557e1ded97a6eef8f9d89e0
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The ML classifier strongly indicates maliciousness, and the document body contains multiple URLs related to game cheats and hacks for popular games like Coin Master and Roblox. The presence of embedded URLs and a visual download button lure suggests an attempt to redirect the user to malicious sites or download further payloads. No scripts were extracted from this sample.

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.co/app/406889139/coin-master-free-spins-and-coins-today-gift-reward-game-hack In PDF document text
    • http://server1.elearningmansatuokit.sch.id/__statics/gudangsoal/files/coin-master-daily-free-spins-link-2021-today_GM406889139.pdfIn PDF document text
    • http://server1.elearningmansatuokit.sch.id/__statics/gudangsoal/files/roblox-free-brick-pants_GM431946152.pdfIn PDF document text
    • http://server1.elearningmansatuokit.sch.id/__statics/gudangsoal/files/coin-master-hack-without-human-verification-2021_GM406889139.pdfIn PDF document text
    • http://server1.elearningmansatuokit.sch.id/__statics/gudangsoal/files/free-robux-com-no-verification_GM431946152.pdfIn PDF document text
    • http://server1.elearningmansatuokit.sch.id/__statics/gudangsoal/files/roblox-robux-generator-2021_GM431946152.pdfIn PDF document text
    • http://server1.elearningmansatuokit.sch.id/__statics/gudangsoal/files/how-to-get-robux-easy_GM431946152.pdfIn PDF document text
    • http://server1.elearningmansatuokit.sch.id/__statics/gudangsoal/files/how-do-u-hack-roblox_GM431946152.pdfIn PDF document text
    • http://server1.elearningmansatuokit.sch.id/__statics/gudangsoal/files/roblox-free-pants_GM431946152.pdfIn PDF document text
    • http://server1.elearningmansatuokit.sch.id/__statics/gudangsoal/files/free-robux-ad_GM431946152.pdfIn PDF document text
    • http://server1.elearningmansatuokit.sch.id/__statics/gudangsoal/files/cheats-to-get-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://server1.elearningmansatuokit.sch.id/__statics/gudangsoal/files/robux-no-human-verification_GM431946152.pdfIn PDF document text
    • http://server1.elearningmansatuokit.sch.id/__statics/gudangsoal/files/coin-master-free-spins-link-hack_GM406889139.pdfIn PDF document text
    • http://server1.elearningmansatuokit.sch.id/__statics/gudangsoal/files/moonactive-coin-master-free-spins-link_GM406889139.pdfIn PDF document text
    • http://server1.elearningmansatuokit.sch.id/__statics/gudangsoal/files/robloxfun-com-generator_GM431946152.pdfIn PDF document text
    • http://server1.elearningmansatuokit.sch.id/__statics/gudangsoal/files/roblox-jailbreak-how-to-go-through-walls-hack_GM431946152.pdfIn PDF document text
    • http://server1.elearningmansatuokit.sch.id/__statics/gudangsoal/files/roblox-com-free-robux_GM431946152.pdfIn PDF document text
    • http://server1.elearningmansatuokit.sch.id/__statics/gudangsoal/files/cheat-engine-for-roblox-jailbreak_GM431946152.pdfIn PDF document text
    • http://server1.elearningmansatuokit.sch.id/__statics/gudangsoal/files/freerobuxhack-us-2021_GM431946152.pdfIn PDF document text
    • http://server1.elearningmansatuokit.sch.id/__statics/gudangsoal/files/how-to-hack-your-roblox-avator_GM431946152.pdfIn PDF document text
    • http://server1.elearningmansatuokit.sch.id/__statics/gudangsoal/files/coin-master-free-account_GM406889139.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_off000037f2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x37F2 24004 bytes
SHA-256: 2056015c47e34f5641a02343c281856ccef32fb5745f50cc88bfb863e5161a98
font_01_sfnt_off00006dcf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6DCF 18692 bytes
SHA-256: d31088ae19f241ea86c3227f133fc8e6698cecaa627da06b5b2cde690df300ac

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