Malicious PDF — malware analysis report

Static analysis result for SHA-256 5df62cb4107cc928…

MALICIOUS

PDF

48.8 KB Created: 2021-06-03 12:12:18 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-13
MD5: 9fc2c9703f2ce88a743e0da7201eb540 SHA-1: 6a2bf7554ef5e6d1b8a3d457a60311326b8c2a93 SHA-256: 5df62cb4107cc928e7054aba8e1a13b46057973d99ea7bd63ef04b27122bd2f6
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains multiple links that redirect to malicious infrastructure, specifically advertising free game hacks and generators. The primary lure URL is https://netcdn.online/app/431946152/free-roblox-codes-2021-game-hack. The document's structure and embedded links strongly suggest a phishing or scam attempt designed to trick users into visiting potentially harmful websites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9796

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector critical 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. CRITICAL on its own: the /app/<id>/<slug>-game-hack path shape is unambiguous scam infra, and the host rotates so a host-list match can't be relied on.
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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
  • 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.online/app/431946152/free-roblox-codes-2021-game-hack In PDF document text
    • https://digilib-bing.stkip-pgri-sumbar.ac.id/repository/how-to-change-roblox-username-for-free-2021_GM431946152.pdfIn PDF document text
    • https://digilib-bing.stkip-pgri-sumbar.ac.id/repository/free-robux-codes-2021-not-used_GM431946152.pdfIn PDF document text
    • https://digilib-bing.stkip-pgri-sumbar.ac.id/repository/roblox-free-wings_GM431946152.pdfIn PDF document text
    • https://digilib-bing.stkip-pgri-sumbar.ac.id/repository/free-roblox-usernames-and-passwords_GM431946152.pdfIn PDF document text
    • https://digilib-bing.stkip-pgri-sumbar.ac.id/repository/roblox-free-hair-girl_GM431946152.pdfIn PDF document text
    • https://digilib-bing.stkip-pgri-sumbar.ac.id/repository/coin-master-free-spins-link-iphone_GM406889139.pdfIn PDF document text
    • https://digilib-bing.stkip-pgri-sumbar.ac.id/repository/mobihack-roblox-hack_GM431946152.pdfIn PDF document text
    • https://digilib-bing.stkip-pgri-sumbar.ac.id/repository/free-coins-and-spins_GM406889139.pdfIn PDF document text
    • https://digilib-bing.stkip-pgri-sumbar.ac.id/repository/how-to-get-free-spins-on-coin-master-2021-iphone_GM406889139.pdfIn PDF document text
    • https://digilib-bing.stkip-pgri-sumbar.ac.id/repository/get-free-coin-master-coins_GM406889139.pdfIn PDF document text
    • https://digilib-bing.stkip-pgri-sumbar.ac.id/repository/free-spins-coin-master_GM406889139.pdfIn PDF document text
    • https://digilib-bing.stkip-pgri-sumbar.ac.id/repository/free-shirt-roblox_GM431946152.pdfIn PDF document text
    • https://digilib-bing.stkip-pgri-sumbar.ac.id/repository/free-robux-for-kids-no-verification_GM431946152.pdfIn PDF document text
    • https://digilib-bing.stkip-pgri-sumbar.ac.id/repository/minecraft-xbox-one-free_GM479516143.pdfIn PDF document text
    • https://digilib-bing.stkip-pgri-sumbar.ac.id/repository/how-to-get-free-robux-on-roblox_GM431946152.pdfIn PDF document text
    • https://digilib-bing.stkip-pgri-sumbar.ac.id/repository/coin-master-free-spin-link-today-download_GM406889139.pdfIn PDF document text
    • https://digilib-bing.stkip-pgri-sumbar.ac.id/repository/free-minecraft-java-edition_GM479516143.pdfIn PDF document text
    • https://digilib-bing.stkip-pgri-sumbar.ac.id/repository/is-roblox-studio-free_GM431946152.pdfIn PDF document text
    • https://digilib-bing.stkip-pgri-sumbar.ac.id/repository/coin-master-free-spins-and-coins-2021_GM406889139.pdfIn PDF document text
    • https://digilib-bing.stkip-pgri-sumbar.ac.id/repository/free-robux-com_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_off00005465.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x5465 26260 bytes
SHA-256: 9e655ec0d46ce917099fbc51ce20056f2b702775542ac7368e75fad18a0b37af
font_01_sfnt_off0000916e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x916E 2844 bytes
SHA-256: 0b020d44d68ef4680adc1a010952b014984ad7d4b9ed9f851efb57a64041e860
font_02_sfnt_off00009b15.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9B15 18524 bytes
SHA-256: 2cb7cffe6898b24bffb42f458692356b56cf8186bc9d806687ffddb45d527cfe

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