Malicious PDF — malware analysis report

Static analysis result for SHA-256 f1deb7cf26c4cf9c…

MALICIOUS

PDF

39.3 KB Created: 2021-05-20 13:32:46 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 602cb858aa67de749493716489d73c5c SHA-1: a6603c518ff466f2697f8e179567af124bdb649d SHA-256: f1deb7cf26c4cf9c1937545a2e8a0243757234f42e1c12950ef15d482dfb52ea
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to known malicious redirectors, disguised as game hacks and generators. One prominent link, 'https://netcdn.xyz/app/479516143/is-minecraft-free-on-switch-game-hack', is flagged as malicious infrastructure. The document body and embedded artifacts suggest a lure to trick users into visiting these sites, likely for further malware delivery or phishing.

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/479516143/is-minecraft-free-on-switch-game-hack In PDF document text
    • http://smagripadps.sch.id/new/public/ckfinder/userfiles/files/coin-master-spins-hack-2021_GM406889139.pdfIn PDF document text
    • http://smagripadps.sch.id/new/public/ckfinder/userfiles/files/free-coins-on-coin-master-without-verification_GM406889139.pdfIn PDF document text
    • http://smagripadps.sch.id/new/public/ckfinder/userfiles/files/free-robux-live_GM431946152.pdfIn PDF document text
    • http://smagripadps.sch.id/new/public/ckfinder/userfiles/files/robux-now_GM431946152.pdfIn PDF document text
    • http://smagripadps.sch.id/new/public/ckfinder/userfiles/files/www-roblox-com-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
stream_002_off00003550.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3550 25924 bytes
SHA-256: 676a8eba696491d7c5198c9033dad430c98eaf5357de10b31869dc92add71ed7
font_01_sfnt_off00006f09.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6F09 3128 bytes
SHA-256: 801f6fa60decd1add2f223f91580103c35e150c924465f86a7a572b3e00674f9
font_02_sfnt_off00007949.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7949 17896 bytes
SHA-256: da2ff63c2c6efe847bf2f560eba074f8e9a052981825778b960d82d1bfcd49f3

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