Malicious PDF — malware analysis report

Static analysis result for SHA-256 e6b47959b7595a6f…

MALICIOUS

PDF

48.4 KB Created: 2021-06-02 07:05:00 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: c01f4738b0d84fa1289f9cfb61e25daa SHA-1: 8be7e1bf565464d26558e80617ee11cd5169a976 SHA-256: e6b47959b7595a6fa3403c94772432f50abe3bb8873d896e3b53f114f1ee3f04
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The document displays a fake CAPTCHA and a download button, common social engineering tactics to trick users into downloading malicious files. The embedded URL points to a suspicious domain, likely hosting the secondary payload. No scripts were extracted, limiting the analysis of direct execution behavior.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9796

Heuristics 4

  • Fake CAPTCHA / human verification prompt high SE_FAKE_CAPTCHA
    Document displays a fake CAPTCHA or human-verification prompt — used to trick users into running commands or pressing keyboard shortcuts
  • 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/hack-pac-man-roblox-game-hack PDF link annotation
    • http://force-seniorklub.dk/images/wurst-hacked-client_GM479516143.pdfIn PDF document text
    • http://force-seniorklub.dk/images/coin-master-invite-friends-hack_GM406889139.pdfIn PDF document text
    • http://force-seniorklub.dk/images/free-tiktok-app_GM835599320.pdfIn PDF document text
    • http://force-seniorklub.dk/images/roblox-free-items_GM431946152.pdfIn PDF document text
    • http://force-seniorklub.dk/images/coin-master-free-spins-youthnow_GM406889139.pdfIn PDF document text
    • http://force-seniorklub.dk/images/pokemon-go-free-quick-catch_GM1094591345.pdfIn PDF document text
    • http://force-seniorklub.dk/images/coin-master-fun-free-spins_GM406889139.pdfIn PDF document text
    • http://force-seniorklub.dk/images/roblox-hacked-com-2021_GM431946152.pdfIn PDF document text
    • http://force-seniorklub.dk/images/claim-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://force-seniorklub.dk/images/coin-master-twitter-free-spins_GM406889139.pdfIn PDF document text
    • http://force-seniorklub.dk/images/scary-larry-roblox_GM431946152.pdfIn PDF document text
    • http://force-seniorklub.dk/images/roblox-robux-hack_GM431946152.pdfIn PDF document text
    • http://force-seniorklub.dk/images/free-tiktok-coins_GM835599320.pdfIn PDF document text
    • http://force-seniorklub.dk/images/free-robux-earn_GM431946152.pdfIn PDF document text
    • http://force-seniorklub.dk/images/free-coins-app-for-coin-master_GM406889139.pdfIn PDF document text
    • http://force-seniorklub.dk/images/pubg-uc-sale_GM1330123889.pdfIn PDF document text
    • http://force-seniorklub.dk/images/free-robux-group-payouts_GM431946152.pdfIn PDF document text
    • http://force-seniorklub.dk/images/roblox-adopt-me-free-pets_GM431946152.pdfIn PDF document text
    • http://force-seniorklub.dk/images/coin-master-free-spins-link-2021_GM406889139.pdfIn PDF document text
    • http://force-seniorklub.dk/images/free-robux-no-survey-or-human-verification_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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off0000531c.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x531C 26080 bytes
SHA-256: ca81213ac8cc836e154d453815964ccd4fc42443fcf5ada921f9adb8a7fc5460
font_01_sfnt_off00008fec.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8FEC 2872 bytes
SHA-256: 5a38050e56bfed6ba013c4835499ae05f4b57b22e606c9172dd4bc2ae7fd1207
font_02_sfnt_off000099a8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x99A8 18532 bytes
SHA-256: d42dc6a3e2135a91a138f8d35cf3688b4c4bf8908c43d55b047dfdffc4ebcb1d

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