Malicious PDF — malware analysis report

Static analysis result for SHA-256 1a95848e4f3c4f9f…

MALICIOUS

PDF

45.6 KB Created: 2021-06-01 03:24:21 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 3ce1854f15dfe8f899fc1e5da1e54c3e SHA-1: 2bd2a1731aae2be7fbe9648abed0423a037e0e70 SHA-256: 1a95848e4f3c4f9f681e558a30c6fa2ae3888bf88620978be087e3917d62f19d
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 0.9864

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 https://netcdn.xyz/app/431946152/free-adidas-pants-roblox-game-hack PDF link annotation
    • https://caotangmen.org/wp-content/uploads/sites/17/fsqm-files/how-to-hack-any-pokemon-into-project-pokemon-roblox_GM431946152.pdfIn PDF document text
    • https://caotangmen.org/wp-content/uploads/sites/17/fsqm-files/games-that-give-you-free-robux_GM431946152.pdfIn PDF document text
    • https://caotangmen.org/wp-content/uploads/sites/17/fsqm-files/free-minecraft-accounts-reddit_GM479516143.pdfIn PDF document text
    • https://caotangmen.org/wp-content/uploads/sites/17/fsqm-files/roblox-studio-free-robux_GM431946152.pdfIn PDF document text
    • https://caotangmen.org/wp-content/uploads/sites/17/fsqm-files/free-minecraft-skins_GM479516143.pdfIn PDF document text
    • https://caotangmen.org/wp-content/uploads/sites/17/fsqm-files/roblox-hack-2021_GM431946152.pdfIn PDF document text
    • https://caotangmen.org/wp-content/uploads/sites/17/fsqm-files/minecraft-story-mode-free_GM479516143.pdfIn PDF document text
    • https://caotangmen.org/wp-content/uploads/sites/17/fsqm-files/minecraft-skins-free-girl_GM479516143.pdfIn PDF document text
    • https://caotangmen.org/wp-content/uploads/sites/17/fsqm-files/minecraft-mods-download-free_GM479516143.pdfIn PDF document text
    • https://caotangmen.org/wp-content/uploads/sites/17/fsqm-files/free-roblox-accounts-with-robux-2021_GM431946152.pdfIn PDF document text
    • https://caotangmen.org/wp-content/uploads/sites/17/fsqm-files/how-to-get-free-tiktok-fans_GM835599320.pdfIn PDF document text
    • https://caotangmen.org/wp-content/uploads/sites/17/fsqm-files/how-to-hack-dragon-ball-rage-in-roblox_GM431946152.pdfIn PDF document text
    • https://caotangmen.org/wp-content/uploads/sites/17/fsqm-files/minecraft-java-edition-free_GM479516143.pdfIn PDF document text
    • https://caotangmen.org/wp-content/uploads/sites/17/fsqm-files/free-backpacks-roblox_GM431946152.pdfIn PDF document text
    • https://caotangmen.org/wp-content/uploads/sites/17/fsqm-files/tiktok-follower-bot-free_GM835599320.pdfIn PDF document text
    • https://caotangmen.org/wp-content/uploads/sites/17/fsqm-files/how-to-hack-someones-account-on-roblox_GM431946152.pdfIn PDF document text
    • https://caotangmen.org/wp-content/uploads/sites/17/fsqm-files/minecraft-com-free_GM479516143.pdfIn PDF document text
    • https://caotangmen.org/wp-content/uploads/sites/17/fsqm-files/free-robux-games_GM431946152.pdfIn PDF document text
    • https://caotangmen.org/wp-content/uploads/sites/17/fsqm-files/how-to-hack-on-roblox-murder_GM431946152.pdfIn PDF document text
    • https://caotangmen.org/wp-content/uploads/sites/17/fsqm-files/how-to-get-minecraft-for-free-on-pc_GM479516143.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 4

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
stream_004_off0000543c.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x543C 25056 bytes
SHA-256: 8028a9ff0d5ddd0bd49c5b8164aae2b3f525de656b5793c38c00def4ba385ccd
font_01_sfnt_off00008e53.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8E53 18728 bytes
SHA-256: 0e652b49e71be4ea27f3c1c03e35d41dbe1d3a77589dbf8d60a6028ccca7e45a

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