Malicious PDF — malware analysis report

Static analysis result for SHA-256 0d280bc90ab7ec4c…

MALICIOUS

PDF

34.8 KB Created: 2021-07-06 19:20:47 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 67be8edf90a556e804de63e986b5f010 SHA-1: 30ce43bca7fcb808eb6882c8df5e51d6b359655a SHA-256: 0d280bc90ab7ec4c198edc3393e957cfae63cb55316610fca5b5919f457ca676
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a lure for free game hacks and currency, directing users to a known malicious redirector. The document body and heuristics indicate a social engineering tactic to drive traffic to potentially harmful websites. No scripts were extracted, but the embedded URL is the primary indicator of malicious intent.

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/835599320/free-tiktok-followers-generator-game-hack In PDF document text
    • http://elib-s2.ubl.ac.id/repository/roblox-got-hacked-2021-video-and-evidence_GM431946152.pdfIn PDF document text
    • http://elib-s2.ubl.ac.id/repository/roblox-robux-hack-2021-ios_GM431946152.pdfIn PDF document text
    • http://elib-s2.ubl.ac.id/repository/how-to-cheat-in-lumber-tycoon-2-roblox-axes_GM431946152.pdfIn PDF document text
    • http://elib-s2.ubl.ac.id/repository/hack-resoure-for-roblox-bgabag_GM431946152.pdfIn PDF document text
    • http://elib-s2.ubl.ac.id/repository/websites-that-give-you-free-robux-without-human-verification_GM431946152.pdfIn PDF document text
    • http://elib-s2.ubl.ac.id/repository/cryptic-roblox-hacks_GM431946152.pdfIn PDF document text
    • http://elib-s2.ubl.ac.id/repository/coin-master-free-spin-ml_GM406889139.pdfIn PDF document text
    • http://elib-s2.ubl.ac.id/repository/how-to-get-free-minecraft-skins_GM479516143.pdfIn PDF document text
    • http://elib-s2.ubl.ac.id/repository/kranberry-roblox-hack-download_GM431946152.pdfIn PDF document text
    • http://elib-s2.ubl.ac.id/repository/roblox-ninja-animation-free_GM431946152.pdfIn PDF document text
    • http://elib-s2.ubl.ac.id/repository/hoe-to-get-free-robux-2021_GM431946152.pdfIn PDF document text
    • http://elib-s2.ubl.ac.id/repository/free-robux-claimgg-codes_GM431946152.pdfIn PDF document text
    • http://elib-s2.ubl.ac.id/repository/minecraft-java-free-trial_GM479516143.pdfIn PDF document text
    • http://elib-s2.ubl.ac.id/repository/how-to-use-cheat-engine-with-roblox-games_GM431946152.pdfIn PDF document text
    • http://elib-s2.ubl.ac.id/repository/free-robux-codes-no-verification_GM431946152.pdfIn PDF document text
    • http://elib-s2.ubl.ac.id/repository/roblox-robux-hack-generato_GM431946152.pdfIn PDF document text
    • http://elib-s2.ubl.ac.id/repository/roblox-zone-free-robux_GM431946152.pdfIn PDF document text
    • http://elib-s2.ubl.ac.id/repository/free-pants-roblox-boy_GM431946152.pdfIn PDF document text
    • http://elib-s2.ubl.ac.id/repository/how-to-get-free-stuff-roblox-2021_GM431946152.pdfIn PDF document text
    • http://elib-s2.ubl.ac.id/repository/roblox-promo-codes-coupons-free-robux-codes_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_off00003134.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3134 23256 bytes
SHA-256: f6f57854ad3d48673ca2fc7ef564fc3d760f60aaa63927ff0c6b176a143db849
font_01_sfnt_off000065b0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x65B0 18208 bytes
SHA-256: 41a51086b1317387eed7bccce289439148deb1aaadb811a63afde332930f2d1f

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