Malicious PDF — malware analysis report

Static analysis result for SHA-256 d5de679353ca6e10…

MALICIOUS

PDF

33.6 KB Created: 2021-07-03 14:07:05 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-04
MD5: 5c9d45a0dd40362f24aaafa18c0ea1b3 SHA-1: d80e11df0223663b7077c7a7e3d0a7c428cf3634 SHA-256: d5de679353ca6e1050229a591349a663b82c483411413992c5f4e1384aa8c11d
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector high 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.
  • 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
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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/how-to-hack-and-get-free-robux-game-hack PDF link annotation
    • http://mtsn-baranti.com/perpus/repository/how-to-download-minecraft-for-free-on-iphone_GM479516143.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/robux-free-robux_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/hack-place-roblox_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/dragon-ball-legendayr-powers-roblox-hack_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/best-free-minecraft-hacked-client_GM479516143.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/minecraft-bedrock-free-download_GM479516143.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/free-roblox-account-list-2021_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/free-roblox-promo-codes-for-robux_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/roblox-getting-hacked_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/can-u-get-free-robux_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/roblox-free-inventory_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/roblox-rs-hack_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/how-to-get-free-spins-on-coin-master-android_GM406889139.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/hacking-game-roblox_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/coin-master-reward-link_GM406889139.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/coin-master-link-for-spins_GM406889139.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/roblox-free-skin-maker_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/roblox-cheats-and-roblox-hacks_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/free-roblox-hack-us_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/hack-on-people-roblox-account_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002e6f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2E6F 21432 bytes
SHA-256: c916056680c4b95d40cdd0a0561a73afc1d74843119f898d9f2544b19cc9f201
font_01_sfnt_off00005d38.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5D38 19328 bytes
SHA-256: 38bb1ef0d1232593bc33faeb07ab7c9da97d5775ca686b5d0190a8681bcdbe68

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