Malicious PDF — malware analysis report

Static analysis result for SHA-256 7604a046b6e341eb…

MALICIOUS

PDF

38.9 KB Created: 2021-05-23 06:06:24 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: 007ad2eca8f7f35fa7ad3ce5bb2a9463 SHA-1: 03cd3b1b641e10dc7b07c9c26267cef5315fcb5a SHA-256: 7604a046b6e341ebade05b0e0665d571f2bdcd675998b03d377b99e80bde2308
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to known malicious redirectors, masquerading as free generators or game hacks to entice users. The primary malicious URL identified is https://netcdn.xyz/app/835599320/free-tiktok-followers-no-human-verification-or-survey-game-hack. The document body and embedded artifacts suggest a lure for potentially unwanted applications or further malicious downloads.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8060

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/835599320/free-tiktok-followers-no-human-verification-or-survey-game-hack In PDF document text
    • https://www.jjpremiers.com/files/coin-master-free-cards-link-2021_GM406889139.pdfIn PDF document text
    • https://www.jjpremiers.com/files/coin-master-free-spins-and-coins-blogspot_GM406889139.pdfIn PDF document text
    • http://jjpremiers.com/files/minecraft-aimbot_GM479516143.pdfIn PDF document text
    • http://jjpremiers.com/files/roblox-mobile-hack_GM431946152.pdfIn PDF document text
    • http://jjpremiers.com/files/coin-master-real-free-spins_GM406889139.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_002_off00003016.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3016 26128 bytes
SHA-256: 3c3fad2457867a8995789188cd7c5a115884d413ff79345953e16b71973879f4
font_01_sfnt_off00006b76.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6B76 2840 bytes
SHA-256: 3fb127b764b9d10f5525bc4de5ec8316de704409ccb0cf21cff3ad8a30d11676
font_02_sfnt_off00007528.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7528 18748 bytes
SHA-256: 6c56a9102827ae6ceba4f8b38934fd9fcdc3c6624088a0c8a681a3e50045d012

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