Malicious PDF — malware analysis report

Static analysis result for SHA-256 c3a62eefae2e03f7…

MALICIOUS

PDF

48.0 KB Created: 2021-06-03 18:46:03 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: e32e110187041f0ddb0ad5328e6b55cf SHA-1: 3293d9b0a66431cf2584f00890c80eb51e17f484 SHA-256: c3a62eefae2e03f7c7e0b124d7a606b5bef2765e2a42de5ca518653ce90eced9
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to redirectors and known malicious infrastructure, specifically promoting 'game hacks' and 'free generators'. The document body and embedded links strongly suggest a lure to download potentially unwanted or malicious software. While no scripts were explicitly extracted, the PDF structure and heuristic firings indicate a malicious redirector workflow.

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.online/app/406889139/coin-master-hack-apk-2021-ios-game-hack In PDF document text
    • http://libsmpn1balongpo.sch.id//repository/is-minecraft-earth-free_GM479516143.pdfIn PDF document text
    • http://libsmpn1balongpo.sch.id/repository/coin-master-free-spin-and-coin-links_GM406889139.pdfIn PDF document text
    • http://libsmpn1balongpo.sch.id/repository/mine-minecraft-games-for-free_GM479516143.pdfIn PDF document text
    • http://libsmpn1balongpo.sch.id//repository/robux-free-2021_GM431946152.pdfIn PDF document text
    • http://libsmpn1balongpo.sch.id//repository/rbx-hut-promo-codes_GM431946152.pdfIn PDF document text
    • http://libsmpn1balongpo.sch.id//repository/hack-coin-master-link_GM406889139.pdfIn PDF document text
    • http://libsmpn1balongpo.sch.id//repository/coin-master-hack-unlimited-spins-apk_GM406889139.pdfIn PDF document text
    • http://libsmpn1balongpo.sch.id//repository/real-free-robux-codes_GM431946152.pdfIn PDF document text
    • http://libsmpn1balongpo.sch.id//repository/how-to-get-free-robux-gift-cards_GM431946152.pdfIn PDF document text
    • http://libsmpn1balongpo.sch.id//repository/minecraft-free-download-mac-full-version-2021_GM479516143.pdfIn PDF document text
    • http://libsmpn1balongpo.sch.id//repository/coin-master-hack-2021-no-human-verification_GM406889139.pdfIn PDF document text
    • http://libsmpn1balongpo.sch.id/repository/free-minecraft-account-generator_GM479516143.pdfIn PDF document text
    • http://libsmpn1balongpo.sch.id//repository/free-robux-no-verify_GM431946152.pdfIn PDF document text
    • http://libsmpn1balongpo.sch.id//repository/download-minecraft-free-hiapphere_GM479516143.pdfIn PDF document text
    • http://libsmpn1balongpo.sch.id//repository/how-to-free-tiktok-likes_GM835599320.pdfIn PDF document text
    • http://libsmpn1balongpo.sch.id//repository/how-to-get-free-robux-without-downloading-any-apps_GM431946152.pdfIn PDF document text
    • http://libsmpn1balongpo.sch.id//repository/free-robux-earn_GM431946152.pdfIn PDF document text
    • http://libsmpn1balongpo.sch.id//repository/free-robux-generator-no-human-verification-or-survey-2021_GM431946152.pdfIn PDF document text
    • http://libsmpn1balongpo.sch.id//repository/free-coin-master-spins-link-download_GM406889139.pdfIn PDF document text
    • http://libsmpn1balongpo.sch.id//repository/rbx-free-robux_GM431946152.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_off0000549a.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x549A 25100 bytes
SHA-256: 513fc349b1f65c844e4d51b90a158547db78962cd5c78339fafc7d396e01eda4
font_01_sfnt_off00008ec0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8EC0 2880 bytes
SHA-256: b053084cafd01c649462d87667ba56c569d6480ce60e7d20ae57ef6124cf178e
font_02_sfnt_off000098ab.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x98AB 18296 bytes
SHA-256: 1b02b72a612e1dda9bab34fe3417cfa94a6d5b5ff19e2110422fac1f6428c94d

Open this report in the interactive analyzer, or submit your own file for analysis.