Malicious PDF — malware analysis report

Static analysis result for SHA-256 f959a133c874e44c…

MALICIOUS

PDF

45.3 KB Created: 2021-05-15 01:22:18 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 62f2123c12cd875cd3b0f85fadfb20eb SHA-1: 6b13bc26af725127506653267c86178854ce4b6a SHA-256: f959a133c874e44c89650d96b1596169cec445d796f4d63894d1d3b58d9861a6
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links to known malicious redirectors and lures users with promises of game hacks and free currency. The primary malicious link identified is https://netcdn.xyz/app/479516143/minecraft-cracked-client-game-hack, which is associated with a game hack lure. The document body also contains numerous other links to similar scam-related PDFs hosted on tena-g.hr, suggesting a campaign distributing these lures.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9507

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/minecraft-cracked-client-game-hack In PDF document text
    • https://www.tena-g.hr/files/coin-master-200-spin-link_GM406889139.pdfIn PDF document text
    • https://www.tena-g.hr/files/how-to-get-robux-for-free-2021_GM431946152.pdfIn PDF document text
    • https://tena-g.hr/files/coin-master-free-spins-link_GM406889139.pdfIn PDF document text
    • https://www.tena-g.hr/files/huskybuckscom-free-robux_GM431946152.pdfIn PDF document text
    • https://www.tena-g.hr/files/roblox-generator-no-human-verification_GM431946152.pdfIn PDF document text
    • https://tena-g.hr/files/coinmasterhack-club_GM406889139.pdfIn PDF document text
    • https://tena-g.hr/files/80-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • https://tena-g.hr/files/monttechscom-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • https://tena-g.hr/files/get-free-robux-without-human-verification_GM431946152.pdfIn PDF document text
    • https://www.tena-g.hr/files/free-robux-cards_GM431946152.pdfIn PDF document text
    • https://tena-g.hr/files/coin-master-free-spin-and-coin-links_GM406889139.pdfIn PDF document text
    • https://www.tena-g.hr/files/roblox-free-robux-no-verification_GM431946152.pdfIn PDF document text
    • https://tena-g.hr/files/minecraft-java-free_GM479516143.pdfIn PDF document text
    • https://tena-g.hr/files/coin-master-com_GM406889139.pdfIn PDF document text
    • https://www.tena-g.hr/files/coin-master-hack-no-verification-no-signup_GM406889139.pdfIn PDF document text
    • https://tena-g.hr/files/coin-master-spin-hack_GM406889139.pdfIn PDF document text
    • https://tena-g.hr/files/free-robux-exe_GM431946152.pdfIn PDF document text
    • https://tena-g.hr/files/lastrick-com-coin-master-hack_GM406889139.pdfIn PDF document text
    • https://tena-g.hr/files/minecraft-hack-2021_GM479516143.pdfIn PDF document text
    • https://tena-g.hr/files/blox-pink-robux-free_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
font_00_sfnt_off00004980.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4980 26684 bytes
SHA-256: f5e18ca5f64f486c5e90795bbac070e083f5f17e0d2414d4ed927cd4bfba310b
font_01_sfnt_off0000859c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x859C 2940 bytes
SHA-256: eb230542719c96b42e3fd8bb01e35f13ebd5f02629049da3a58e7fd7607bf48a
font_02_sfnt_off00008fac.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8FAC 17988 bytes
SHA-256: 8f8aa581ebeb38dd1bd4a64c3ef23a23f4e2e211000db114f01af054f3e4f204