Malicious PDF — malware analysis report

Static analysis result for SHA-256 9226ec84716c9563…

MALICIOUS

PDF

45.9 KB Created: 2021-06-09 03:58:36 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 945cbcf1de0850f00e1ef463150f3e13 SHA-1: ccbe4b9741cfa372f1c6e7826aa165aa28b324d0 SHA-256: 9226ec84716c95636496d097f131a697eb1d53f21d4c11491ea8c5531c378f59
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

This PDF document contains a lure for game hacks, directing users to a malicious URL. The ML classifier strongly indicated maliciousness, and the presence of multiple game-related lures suggests a social engineering tactic to trick users into visiting potentially harmful sites. No scripts were extracted from this sample.

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.tw/app/431946152/where-to-find-roblox-speed-hacks-game-hack PDF link annotation
    • https://brsolutions.pl/wp-content/uploads/fsqm-files/cheat-codes-for-grand-blox-auto-roblox_GM431946152.pdfIn PDF document text
    • https://brsolutions.pl/wp-content/uploads/fsqm-files/how-to-get-hacks-on-minecraft_GM479516143.pdfIn PDF document text
    • https://brsolutions.pl/wp-content/uploads/fsqm-files/roblox-murderer-mystery-2-gem-cheats_GM431946152.pdfIn PDF document text
    • https://brsolutions.pl/wp-content/uploads/fsqm-files/how-to-hack-roblox-jailbreak-pc_GM431946152.pdfIn PDF document text
    • https://brsolutions.pl/wp-content/uploads/fsqm-files/free-robux-websites-that-actually-work-2021_GM431946152.pdfIn PDF document text
    • https://brsolutions.pl/wp-content/uploads/fsqm-files/how-to-get-free-things-in-roblox-games_GM431946152.pdfIn PDF document text
    • https://brsolutions.pl/wp-content/uploads/fsqm-files/coin-master-hacks_GM406889139.pdfIn PDF document text
    • https://brsolutions.pl/wp-content/uploads/fsqm-files/get-free-robux-no-scam-no-builders-club_GM431946152.pdfIn PDF document text
    • https://brsolutions.pl/wp-content/uploads/fsqm-files/how-to-earn-free-robux-fast_GM431946152.pdfIn PDF document text
    • https://brsolutions.pl/wp-content/uploads/fsqm-files/how-to-hack-roblox-accounts-2021_GM431946152.pdfIn PDF document text
    • https://brsolutions.pl/wp-content/uploads/fsqm-files/how-to-hack-super-simon-says-on-roblox_GM431946152.pdfIn PDF document text
    • https://brsolutions.pl/wp-content/uploads/fsqm-files/free-superhero-animation-roblox_GM431946152.pdfIn PDF document text
    • https://brsolutions.pl/wp-content/uploads/fsqm-files/get-free-stuff-in-roblox_GM431946152.pdfIn PDF document text
    • https://brsolutions.pl/wp-content/uploads/fsqm-files/rise-of-nations-cheats-roblox_GM431946152.pdfIn PDF document text
    • https://brsolutions.pl/wp-content/uploads/fsqm-files/roblox-hacks-2021_GM431946152.pdfIn PDF document text
    • https://brsolutions.pl/wp-content/uploads/fsqm-files/final-stand-hack-roblox_GM431946152.pdfIn PDF document text
    • https://brsolutions.pl/wp-content/uploads/fsqm-files/how-to-hack-walls-in-strucid-roblox_GM431946152.pdfIn PDF document text
    • https://brsolutions.pl/wp-content/uploads/fsqm-files/was-minecraft-ever-free_GM479516143.pdfIn PDF document text
    • https://brsolutions.pl/wp-content/uploads/fsqm-files/free-robux-without-verification-2021_GM431946152.pdfIn PDF document text
    • https://brsolutions.pl/wp-content/uploads/fsqm-files/roblox-star-wars-first-order-cheat-engine_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
stream_004_off0000555b.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x555B 24688 bytes
SHA-256: bc41b63c3052913ddfe060a2d1b885a3a971ea3f9bd43514d96117780cb99f13
font_01_sfnt_off00008e3b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8E3B 19180 bytes
SHA-256: eb4f9d9a3a6b4a39446710f77b73a46798a32f3fee5c442e149d79746bb4fdf2

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