Malicious PDF — malware analysis report

Static analysis result for SHA-256 abbc8a5e84b9ff64…

MALICIOUS

PDF

33.6 KB Created: 2021-07-08 15:49:03 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: ce287d9d611166856a5dd3bdb8c54e9e SHA-1: a959cf2a5f18b906d0380aade0dda54ad3e06fb0 SHA-256: abbc8a5e84b9ff64edb8aecb2851a49fa311ca68f4414986f04db9137aaeef10
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document employs a lure for game-related hacks and free items, directing users to a known malicious redirector. The document's content and embedded URLs strongly suggest a phishing or scam attempt designed to lead users to potentially harmful websites. No scripts were extracted, but the presence of multiple malicious redirector links indicates a high likelihood of further malicious activity.

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/406889139/free-pet-treats-coin-master-game-hack In PDF document text
    • http://elearning.mtsn2kotapalu.sch.id/__statics/gudangsoal/files/how-to-get-free-robux-on-iphone_GM431946152.pdfIn PDF document text
    • http://elearning.mtsn2kotapalu.sch.id/__statics/gudangsoal/files/how-to-hack-roblox_GM431946152.pdfIn PDF document text
    • http://elearning.mtsn2kotapalu.sch.id/__statics/gudangsoal/files/roblox-dex-explorer-hack-script_GM431946152.pdfIn PDF document text
    • http://elearning.mtsn2kotapalu.sch.id/__statics/gudangsoal/files/roblox-retail-tycoon-116-ifinite-money-hack_GM431946152.pdfIn PDF document text
    • http://elearning.mtsn2kotapalu.sch.id/__statics/gudangsoal/files/pubg-uc-kaufen_GM1330123889.pdfIn PDF document text
    • http://elearning.mtsn2kotapalu.sch.id/__statics/gudangsoal/files/today-free-spin-link-for-coin-master_GM406889139.pdfIn PDF document text
    • http://elearning.mtsn2kotapalu.sch.id/__statics/gudangsoal/files/link-coin-master_GM406889139.pdfIn PDF document text
    • http://elearning.mtsn2kotapalu.sch.id/__statics/gudangsoal/files/moon-tycoon-roblox-gives-free-robux_GM431946152.pdfIn PDF document text
    • http://elearning.mtsn2kotapalu.sch.id/__statics/gudangsoal/files/free-robux-youtube_GM431946152.pdfIn PDF document text
    • http://elearning.mtsn2kotapalu.sch.id/__statics/gudangsoal/files/roblox-avatar-maker-free_GM431946152.pdfIn PDF document text
    • http://elearning.mtsn2kotapalu.sch.id/__statics/gudangsoal/files/op-rewards-free-robux_GM431946152.pdfIn PDF document text
    • http://elearning.mtsn2kotapalu.sch.id/__statics/gudangsoal/files/lazyblocks-com-robux_GM431946152.pdfIn PDF document text
    • http://elearning.mtsn2kotapalu.sch.id/__statics/gudangsoal/files/free-dominus-roblox_GM431946152.pdfIn PDF document text
    • http://elearning.mtsn2kotapalu.sch.id/__statics/gudangsoal/files/how-to-get-free-robux-on-laptop-no-human-verification_GM431946152.pdfIn PDF document text
    • http://elearning.mtsn2kotapalu.sch.id/__statics/gudangsoal/files/free-outfits-for-roblox_GM431946152.pdfIn PDF document text
    • http://elearning.mtsn2kotapalu.sch.id/__statics/gudangsoal/files/coin-master-ios-gods-hack_GM406889139.pdfIn PDF document text
    • http://elearning.mtsn2kotapalu.sch.id/__statics/gudangsoal/files/coin-master-free-cards-link_GM406889139.pdfIn PDF document text
    • http://elearning.mtsn2kotapalu.sch.id/__statics/gudangsoal/files/free-spins-coin-master-no-human-verification_GM406889139.pdfIn PDF document text
    • http://elearning.mtsn2kotapalu.sch.id/__statics/gudangsoal/files/how-to-put-a-hack-in-your-game-roblox_GM431946152.pdfIn PDF document text
    • http://elearning.mtsn2kotapalu.sch.id/__statics/gudangsoal/files/overhol-roblox-free-shop-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_off00003006.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3006 22248 bytes
SHA-256: aa23bde3ef465fc569a2ae913e625841dd116a6a7b360b8839220dfa8f59764b
font_01_sfnt_off00006109.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6109 18152 bytes
SHA-256: 7ca706d77441b4cfcfd45ab3bb2a523490faa314971aa69b7375735f921c6ad6

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