Malicious PDF — malware analysis report

Static analysis result for SHA-256 7c5cdc05e315c343…

MALICIOUS

PDF

36.4 KB Created: 2021-05-22 17:09:47 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 006c69befe20a62b4b909f3d57ffab3a SHA-1: 509158ef790238a4ddc9cd422362e00b7f66d571 SHA-256: 7c5cdc05e315c34388ecd562424eb47c46394c61c2adaa76c94d46423c705360
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links to known malicious redirectors, disguised as game hacks and generators. The document body explicitly mentions 'free generator / game hack' and includes a call to action to download. The ML classifier also flagged this PDF as malicious. The embedded URLs suggest a phishing or scam attempt to lure users to malicious sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9492

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-host-a-minecraft-server-for-free-game-hack In PDF document text
    • https://www.only-press.ru/images/how-to-get-free-tiktok-fans-without-human-verification_GM835599320.pdfIn PDF document text
    • https://www.only-press.ru/images/robux-link_GM431946152.pdfIn PDF document text
    • https://www.only-press.ru/images/roblox-free-robux-no-verification_GM431946152.pdfIn PDF document text
    • https://www.only-press.ru/images/how-to-hack-into-someones-roblox-account_GM431946152.pdfIn PDF document text
    • https://www.only-press.ru/images/roblox-april-fools-hack_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_002_off00003464.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3464 25100 bytes
SHA-256: 9f312d4f60080ed14fe99c1d6eccc588d9b54e9fcefbf6e0d973f05f0e7daf13
font_01_sfnt_off00006dce.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6DCE 17988 bytes
SHA-256: 552c8aaf5f0bf5f0c44469b5bd19d93c548c2f36967da1a6f1157fed71bc8ec1

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