Malicious PDF — malware analysis report

Static analysis result for SHA-256 cc56f04bf4986691…

MALICIOUS

PDF

39.7 KB Created: 2021-05-21 19:58:18 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 494cfec2dd02b2571f8301f80e38f390 SHA-1: e4b165297662f0634bfacb9313dd1175da561325 SHA-256: cc56f04bf4986691650d1e9e0de58b48e511547d529595c9f34ab523e444e695
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to what appears to be a game hack or generator lure, redirecting to malicious infrastructure. The document body also contains a call-to-action phrase, reinforcing the deceptive nature of the content. While no scripts were explicitly extracted, the PDF structure and embedded links strongly suggest a phishing or social engineering attack.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8068

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/431946152/free-roblox-hair-codes-game-hack In PDF document text
    • http://www.weworkkuwait.com/uploaded_files/userfiles/files/roblox-hack_GM431946152.pdfIn PDF document text
    • http://www.weworkkuwait.com/uploaded_files/userfiles/files/how-do-i-get-free-robux_GM431946152.pdfIn PDF document text
    • http://www.weworkkuwait.com/uploaded_files/userfiles/files/is-it-possible-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://www.weworkkuwait.com/uploaded_files/userfiles/files/coin-master-hack-app-android_GM406889139.pdfIn PDF document text
    • http://www.weworkkuwait.com/uploaded_files/userfiles/files/20-free-spins-coin-master_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_off000032a4.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x32A4 25020 bytes
SHA-256: 2eaba796a07d38c5f4b4287509b73e0089dd91d30e23c4af1bb7bc221f318f7e
font_01_sfnt_off00006c48.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6C48 5696 bytes
SHA-256: 450e3ee45915afe13702bf1d587eb8b9ad88a8d2113419ac9f2fd116a828e139
font_02_sfnt_off0000795a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x795A 18472 bytes
SHA-256: 58bd8e37bff2e40e3b0dd1e4e28472cf67d664de325b47398c2f4df4c0a3a645

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