Malicious PDF — malware analysis report

Static analysis result for SHA-256 cca76f7b34e0d297…

MALICIOUS

PDF

37.7 KB Created: 2021-05-25 06:32:31 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: f6140d1cef16ce1a79d66be4edaa5b16 SHA-1: 59227eb7c4af110aedb05595cc059cfbfb75e5ed SHA-256: cca76f7b34e0d297b00451a1863bc537d01aa67b1f55a9850d2863290a55933a
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple embedded links, including one pointing to known malicious redirector infrastructure at `https://netcdn.xyz/app/479516143/try-minecraft-free-game-hack`. The document body and heuristics indicate a lure for free game hacks or generators, suggesting a phishing or scam attempt. No scripts were extracted, but the presence of malicious links and the lure pattern strongly indicate a malicious intent to redirect users to potentially harmful sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7010

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/try-minecraft-free-game-hack In PDF document text
    • http://perpustakaan-pelita.sdnpercobaan2yogyakarta.com/repository/pubg-uc-account_GM1330123889.pdfIn PDF document text
    • http://perpustakaan-pelita.sdnpercobaan2yogyakarta.com/repository/dominus-roblox-free_GM431946152.pdfIn PDF document text
    • http://perpustakaan-pelita.sdnpercobaan2yogyakarta.com/repository/free-robux-com-2021_GM431946152.pdfIn PDF document text
    • http://perpustakaan-pelita.sdnpercobaan2yogyakarta.com/repository/how-do-you-get-free-robux-without-paying_GM431946152.pdfIn PDF document text
    • http://perpustakaan-pelita.sdnpercobaan2yogyakarta.com/repository/coin-master-download_GM406889139.pdfIn PDF document text
    • http://www.freenom.comHeyIn 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
font_00_sfnt_off000032b1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x32B1 24184 bytes
SHA-256: 5e975e83432458d002730e0c0ce458d1ee84c32a0d2519ba6dddd2e85aa30d51
font_01_sfnt_off000068e6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x68E6 3056 bytes
SHA-256: dd24a0ab94df4552e459bd06fd01b0fd3f021c1d51d1d64407070e735974a028
font_02_sfnt_off00007359.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7359 17748 bytes
SHA-256: 107932d4c819bf12e68df3d86f91d46cdcad91a8442b853cf72bc94cc41b7ea1

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