Malicious PDF — malware analysis report

Static analysis result for SHA-256 6662376822513b52…

MALICIOUS

PDF

40.0 KB Created: 2021-05-30 17:19:35 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: f6b0423bad0d7016982db55228091cae SHA-1: d261cb5619e26aef14543b973ef8143ca87befb7 SHA-256: 6662376822513b524a45ec33eaea5336fa1724df3deb1524a7c860c5ef654a99
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains multiple links that redirect to malicious infrastructure, specifically promoting "game hacks" and "free generators". The primary lure URL is https://netcdn.xyz/app/479516143/how-to-get-minecraft-for-free-on-phone-game-hack, which is flagged as a malicious redirector. The document body, though heavily corrupted, contains references to this URL and appears to be a social engineering lure. No scripts were extracted, but the embedded links are sufficient to classify this as a malicious redirector campaign.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9972

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.xyz/app/479516143/how-to-get-minecraft-for-free-on-phone-game-hack In PDF document text
    • http://matarcompany.com/wp-content/uploads/fsqm-files/free-robux-com_GM431946152.pdfIn PDF document text
    • http://matarcompany.com/wp-content/uploads/fsqm-files/free-spin-coin-master-link-2021_GM406889139.pdfIn PDF document text
    • http://matarcompany.com/wp-content/uploads/fsqm-files/minecraft-free-apk_GM479516143.pdfIn PDF document text
    • http://matarcompany.com/wp-content/uploads/fsqm-files/minecraft-story-mode-free_GM479516143.pdfIn PDF document text
    • http://matarcompany.com/wp-content/uploads/fsqm-files/get-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://matarcompany.com/wp-content/uploads/fsqm-files/roblox-fly-hack_GM431946152.pdfIn PDF document text
    • http://matarcompany.com/wp-content/uploads/fsqm-files/minecraft-games-to-play-for-free_GM479516143.pdfIn PDF document text
    • http://matarcompany.com/wp-content/uploads/fsqm-files/how-to-get-minecraft-for-free-on-mac_GM479516143.pdfIn PDF document text
    • http://matarcompany.com/wp-content/uploads/fsqm-files/how-to-hack-roblox-to-get-robux_GM431946152.pdfIn PDF document text
    • http://matarcompany.com/wp-content/uploads/fsqm-files/free-tiktok-accounts_GM835599320.pdfIn PDF document text
    • http://matarcompany.com/wp-content/uploads/fsqm-files/coin-master-hack-without-verification-2021_GM406889139.pdfIn PDF document text
    • http://matarcompany.com/wp-content/uploads/fsqm-files/free-robux-games_GM431946152.pdfIn PDF document text
    • http://matarcompany.com/wp-content/uploads/fsqm-files/free-robux-websites-no-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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off000041e3.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x41E3 24956 bytes
SHA-256: 46630b99057eb37bde5bddfde128de1c7e4db22dccc2215cce023acbd35b584e
font_01_sfnt_off00007aa4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7AA4 18192 bytes
SHA-256: 90b6a34edb34d309cd556a6b23817db9766b775643cedc81c4ce7203f03c64d4

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