Malicious PDF — malware analysis report

Static analysis result for SHA-256 292b4377af9eb75a…

MALICIOUS

PDF

34.2 KB Created: 2021-07-02 05:25:50 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 7ce0b16a5479879af1a714d0227d4545 SHA-1: af024298bcb3a323775409536934b4020f3e7291 SHA-256: 292b4377af9eb75a882a3ec4d39455bcbdfde366aff32e07a26bdd58a2842b3f
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains lures for game hacks and free currency, directing users to a known malicious redirector. The embedded URL and document body content strongly suggest a phishing or scam attempt to trick users into visiting malicious sites. No scripts were extracted, but the PDF structure and embedded URLs indicate a malicious intent to redirect users to potentially harmful content.

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/431946152/free-robux-card-codes-feb-21-2021-game-hack In PDF document text
    • https://e-learning.mtsn1bojonegoro.sch.id/__statics/gudangsoal/files/coin-master-free-spins-cheats_GM406889139.pdfIn PDF document text
    • https://e-learning.mtsn1bojonegoro.sch.id/__statics/gudangsoal/files/roblox-hack-download_GM431946152.pdfIn PDF document text
    • https://e-learning.mtsn1bojonegoro.sch.id/__statics/gudangsoal/files/coin-master-free-spins-link-download-for-iphone_GM406889139.pdfIn PDF document text
    • https://e-learning.mtsn1bojonegoro.sch.id/__statics/gudangsoal/files/coin-master-unlimited-spin-link_GM406889139.pdfIn PDF document text
    • https://e-learning.mtsn1bojonegoro.sch.id/__statics/gudangsoal/files/codes-to-get-free-robux_GM431946152.pdfIn PDF document text
    • https://e-learning.mtsn1bojonegoro.sch.id/__statics/gudangsoal/files/coin-master-hack-version-download_GM406889139.pdfIn PDF document text
    • https://e-learning.mtsn1bojonegoro.sch.id/__statics/gudangsoal/files/minecraft-xray-hack_GM479516143.pdfIn PDF document text
    • https://e-learning.mtsn1bojonegoro.sch.id/__statics/gudangsoal/files/free-coin-master-spins-for-today_GM406889139.pdfIn PDF document text
    • https://e-learning.mtsn1bojonegoro.sch.id/__statics/gudangsoal/files/roblox-ps3-free_GM431946152.pdfIn PDF document text
    • https://e-learning.mtsn1bojonegoro.sch.id/__statics/gudangsoal/files/how-to-make-a-group-on-roblox-for-free_GM431946152.pdfIn PDF document text
    • https://e-learning.mtsn1bojonegoro.sch.id/__statics/gudangsoal/files/free-minecraft-skin-packs_GM479516143.pdfIn PDF document text
    • https://e-learning.mtsn1bojonegoro.sch.id/__statics/gudangsoal/files/lazyblox-com-free-robux_GM431946152.pdfIn PDF document text
    • https://e-learning.mtsn1bojonegoro.sch.id/__statics/gudangsoal/files/how-many-levels-does-coin-master-have_GM406889139.pdfIn PDF document text
    • https://e-learning.mtsn1bojonegoro.sch.id/__statics/gudangsoal/files/coin-master-free-coins-and-spins_GM406889139.pdfIn PDF document text
    • https://e-learning.mtsn1bojonegoro.sch.id/__statics/gudangsoal/files/coin-master-daily-free-spin-and-coin-link_GM406889139.pdfIn PDF document text
    • https://e-learning.mtsn1bojonegoro.sch.id/__statics/gudangsoal/files/how-do-u-get-free-robux_GM431946152.pdfIn PDF document text
    • https://e-learning.mtsn1bojonegoro.sch.id/__statics/gudangsoal/files/growbox-com-free-robux_GM431946152.pdfIn PDF document text
    • https://e-learning.mtsn1bojonegoro.sch.id/__statics/gudangsoal/files/roblox-free-robux-com_GM431946152.pdfIn PDF document text
    • https://e-learning.mtsn1bojonegoro.sch.id/__statics/gudangsoal/files/cute-free-roblox-clothes_GM431946152.pdfIn PDF document text
    • https://e-learning.mtsn1bojonegoro.sch.id/__statics/gudangsoal/files/roblox-robux-hack-download-2021_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_off000030f2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x30F2 21344 bytes
SHA-256: cd3915080e622c8e595b705f4c5e39b2ab3148aac7d99702c46c28e32bf527a4
font_01_sfnt_off00005fab.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5FAB 19292 bytes
SHA-256: 19feb3ace67ce41f3f080bec4fcbc2b45c6c86da98661d23286e23d189497d5f

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