Malicious PDF — malware analysis report

Static analysis result for SHA-256 eeb0e226aee8fb2e…

MALICIOUS

PDF

34.1 KB Created: 2021-07-06 01:00:30 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-11
MD5: e1a486d7ddc5ad6008fc1a38dcdcfaa1 SHA-1: dc54a717b06aea0635f790b2d83e6d085d1fba42 SHA-256: eeb0e226aee8fb2ecfc90ae5db3e00264b162f0306fb7fc1971257c820760ef2
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains multiple links, including one that redirects to malicious infrastructure. The document body and extracted links suggest a lure for free game items or hacks, a common social engineering tactic. The presence of embedded URLs and the ML classifier's high confidence indicate a malicious intent to redirect users to potentially harmful sites.

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/431946152/free-robux-site-game-hack In PDF document text
    • https://www.elearning.mtsn1sby.sch.id/__statics/gudangsoal/files/how-to-get-minecraft-windows-10-edition-for-free_GM479516143.pdfIn PDF document text
    • http://elearning.mtsn1sby.sch.id/__statics/gudangsoal/files/free-roblox-injector_GM431946152.pdfIn PDF document text
    • https://www.elearning.mtsn1sby.sch.id/__statics/gudangsoal/files/freer-pro-tiktok_GM835599320.pdfIn PDF document text
    • http://elearning.mtsn1sby.sch.id/__statics/gudangsoal/files/ways-to-get-free-robux_GM431946152.pdfIn PDF document text
    • https://www.elearning.mtsn1sby.sch.id/__statics/gudangsoal/files/classic-minecraft-net-hacks_GM479516143.pdfIn PDF document text
    • https://www.elearning.mtsn1sby.sch.id/__statics/gudangsoal/files/roblox-piano-cheat_GM431946152.pdfIn PDF document text
    • http://elearning.mtsn1sby.sch.id/__statics/gudangsoal/files/how-to-make-roblox-gfx-for-free_GM431946152.pdfIn PDF document text
    • https://www.elearning.mtsn1sby.sch.id/__statics/gudangsoal/files/robux-hack-cheat-engine-62_GM431946152.pdfIn PDF document text
    • http://elearning.mtsn1sby.sch.id/__statics/gudangsoal/files/best-minecraft-hacks_GM479516143.pdfIn PDF document text
    • https://www.elearning.mtsn1sby.sch.id/__statics/gudangsoal/files/roblox-mobile-hack_GM431946152.pdfIn PDF document text
    • http://elearning.mtsn1sby.sch.id/__statics/gudangsoal/files/give-me-robux-now_GM431946152.pdfIn PDF document text
    • http://elearning.mtsn1sby.sch.id/__statics/gudangsoal/files/how-to-get-free-spins-grom-coin-master_GM406889139.pdfIn PDF document text
    • http://elearning.mtsn1sby.sch.id/__statics/gudangsoal/files/coin-master-free-spin-link-today-50_GM406889139.pdfIn PDF document text
    • http://elearning.mtsn1sby.sch.id/__statics/gudangsoal/files/how-to-get-free-chest-in-coin-master_GM406889139.pdfIn PDF document text
    • http://elearning.mtsn1sby.sch.id/__statics/gudangsoal/files/free-tiktok-followers-no-downloads_GM835599320.pdfIn PDF document text
    • http://elearning.mtsn1sby.sch.id/__statics/gudangsoal/files/coin-master-free-link-spin_GM406889139.pdfIn PDF document text
    • https://www.elearning.mtsn1sby.sch.id/__statics/gudangsoal/files/minecraft-bedrock-free_GM479516143.pdfIn PDF document text
    • http://elearning.mtsn1sby.sch.id/__statics/gudangsoal/files/coin-master-links-that-don-t-expire_GM406889139.pdfIn PDF document text
    • http://elearning.mtsn1sby.sch.id/__statics/gudangsoal/files/wurst-mc_GM479516143.pdfIn PDF document text
    • http://elearning.mtsn1sby.sch.id/__statics/gudangsoal/files/hack-coin-master-nyc_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_off00002dff.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2DFF 22540 bytes
SHA-256: a6762a5358383e054f3b5aca3302a9daabeedf34b287195a71d8a6c5b87a4bc0
font_01_sfnt_off00006074.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6074 18940 bytes
SHA-256: f9f1f7c9b928d5f6ce6bf7d440be5e4499b495936a7ada93416c0d904b92215a

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