Malicious PDF — malware analysis report

Static analysis result for SHA-256 02e71119547799bb…

MALICIOUS

PDF

45.2 KB Created: 2021-05-10 17:02:26 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 2cf4eb646c691297a4a1c02b62c1d360 SHA-1: 6824568131602fde08c283bc0ffda619a58b0a23 SHA-256: 02e71119547799bb19d54c4b7bd9cd19eb736036dbae6a71fc8abad2ac04a9b4
82 Risk Score

Malware Insights

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

This PDF document contains multiple links that are designed to lure users into clicking on them by promising game hacks and free in-game items. The primary link, 'https://netcdn.xyz/app/406889139/coin-master-free-spin-daily-link-game-hack', is flagged as a high-risk lure for game hacks. The document body, though partially corrupted, also contains this URL and other similar links, reinforcing the malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9621

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/406889139/coin-master-free-spin-daily-link-game-hack PDF link annotation
    • https://library.sman1berau.sch.id/repository/coin-master-free-spins-and-coins-daily-links_GM406889139.pdfIn PDF document text
    • https://library.sman1berau.sch.id/repository/coin-master-free-spin-facebook-link_GM406889139.pdfIn PDF document text
    • https://library.sman1berau.sch.id/repository/jailbreak-roblox-hack_GM431946152.pdfIn PDF document text
    • https://library.sman1berau.sch.id/repository/coin-master-free-spins-hack_GM406889139.pdfIn PDF document text
    • https://library.sman1berau.sch.id/repository/coin-master-free-spins-2021_GM406889139.pdfIn PDF document text
    • https://library.sman1berau.sch.id/repository/minecraft-free-version_GM479516143.pdfIn PDF document text
    • https://library.sman1berau.sch.id/repository/minecraft-complete-handbook_GM479516143.pdfIn PDF document text
    • https://library.sman1berau.sch.id/repository/roblox-robux-hack_GM431946152.pdfIn PDF document text
    • https://library.sman1berau.sch.id/repository/how-to-get-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • https://library.sman1berau.sch.id/repository/coin-master-gift-hack_GM406889139.pdfIn PDF document text
    • https://library.sman1berau.sch.id/repository/coin-master-attack-hack-apk_GM406889139.pdfIn PDF document text
    • https://library.sman1berau.sch.id/repository/how-to-get-free-robux-on-ipad_GM431946152.pdfIn PDF document text
    • https://library.sman1berau.sch.id/repository/free-roblox-codes-2021_GM431946152.pdfIn PDF document text
    • https://library.sman1berau.sch.id/repository/how-to-get-free-robux-without-email_GM431946152.pdfIn PDF document text
    • https://library.sman1berau.sch.id/repository/cool-minecraft-hacks_GM479516143.pdfIn PDF document text
    • https://library.sman1berau.sch.id/repository/how-to-hack-coin-master-pc_GM406889139.pdfIn PDF document text
    • https://library.sman1berau.sch.id/repository/free-games-like-coin-master_GM406889139.pdfIn PDF document text
    • https://library.sman1berau.sch.id/repository/coin-master-free-pet-food-links_GM406889139.pdfIn PDF document text
    • https://library.sman1berau.sch.id/repository/coin-master-cheats_GM406889139.pdfIn PDF document text
    • https://library.sman1berau.sch.id/repository/free-robux-codes-no-verification-2021_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004a37.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4A37 24896 bytes
SHA-256: 06ca772070fbdc34f69a9b116fad1078ea591175360946640ad108518b38d5be
font_01_sfnt_off0000838a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x838A 2896 bytes
SHA-256: c1a618813a64314343402b2ec738fc11c4c912460a4c7ae3029924d2f9a229cd
font_02_sfnt_off00008d70.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8D70 18476 bytes
SHA-256: 2ce97cbb308bf5ba938525f141fd625062fba94b419d6e9602582d12aef06769

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