Malicious PDF — malware analysis report

Static analysis result for SHA-256 6733c16331907920…

MALICIOUS

PDF

45.1 KB Created: 2021-05-17 03:18:13 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: edf5f09a6d7548ee40ba2304a5c3c6b4 SHA-1: 92b4eab0d1c3150cb95b8c0718225025f985613a SHA-256: 6733c16331907920f55cd860da682c344722e691b24479cf774fe4d0ba006138
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to known malicious redirectors and infrastructure, specifically targeting users interested in game hacks and generators. The document body and embedded links suggest a lure to download potentially malicious files or visit scam websites. While no scripts were explicitly extracted, the PDF structure and heuristic firings strongly indicate a malicious intent to redirect users to harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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-pe-apk-game-hack In PDF document text
    • http://ohsawamacrobiotics.com/images/free-roblox-printables_GM431946152.pdfIn PDF document text
    • http://ohsawamacrobiotics.com/images/coin-master-34-5-hack_GM406889139.pdfIn PDF document text
    • http://ohsawamacrobiotics.com/images/how-do-u-get-free-robux-2021_GM431946152.pdfIn PDF document text
    • http://ohsawamacrobiotics.com/images/roblox-shirt-template-free_GM431946152.pdfIn PDF document text
    • http://ohsawamacrobiotics.com/images/dailyrobux_GM431946152.pdfIn PDF document text
    • http://ohsawamacrobiotics.com/images/roblox-hack-download-pc_GM431946152.pdfIn PDF document text
    • http://ohsawamacrobiotics.com/images/is-minecraft-free-on-nintendo-switch_GM479516143.pdfIn PDF document text
    • http://ohsawamacrobiotics.com/images/roblox-hacked-com-2021_GM431946152.pdfIn PDF document text
    • http://ohsawamacrobiotics.com/images/coin-master-coin-link_GM406889139.pdfIn PDF document text
    • http://ohsawamacrobiotics.com/images/hacks-for-minecraft-windows-10_GM479516143.pdfIn PDF document text
    • http://ohsawamacrobiotics.com/images/coin-master-fun-hack-online_GM406889139.pdfIn PDF document text
    • http://ohsawamacrobiotics.com/images/tiradas-coin-master_GM406889139.pdfIn PDF document text
    • http://ohsawamacrobiotics.com/images/how-to-get-free-robux-2021_GM431946152.pdfIn PDF document text
    • http://ohsawamacrobiotics.com/images/rbl-gg-free-robux_GM431946152.pdfIn PDF document text
    • http://ohsawamacrobiotics.com/images/free-shields-coin-master_GM406889139.pdfIn PDF document text
    • http://ohsawamacrobiotics.com/images/free-robux-hack-generator_GM431946152.pdfIn PDF document text
    • http://ohsawamacrobiotics.com/images/how-to-get-free-clothes-on-roblox-2021_GM431946152.pdfIn PDF document text
    • http://ohsawamacrobiotics.com/images/free-attacks-on-coin-master_GM406889139.pdfIn PDF document text
    • http://ohsawamacrobiotics.com/images/mosttechs-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://ohsawamacrobiotics.com/images/coin-master-free-spins-link-2021-download_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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004b23.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4B23 30644 bytes
SHA-256: ae931f6ecb9294b8f3fe59421a2d0373a9a73cd99b9f4362e43485413634d119
font_01_sfnt_off00008ee0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8EE0 18068 bytes
SHA-256: 5fbed8632119c253af4b9ab7dc246da20067eac7641579129df9e72f6a1f5ea4

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