PDF static analysis report

Static analysis result for SHA-256 dff817d11dcc8c2d…

SUSPICIOUS

PDF

33.5 KB Created: 2021-06-26 19:28:48 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: f76e8d2514c3932cde792af522436551 SHA-1: 5f92f167cbb9cd8eef9237eda3a0f24bd4889e5f SHA-256: dff817d11dcc8c2d6a732ee12050eddccdfb89f1969fcef35c03f3cec49dcc98
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous embedded URLs and text related to obtaining free items or currency for games like Roblox and Coin Master, strongly suggesting a social engineering lure. The ML classifier also flagged this PDF as malicious. While no scripts were explicitly extracted, the presence of external URIs indicates a potential download or redirection to a second-stage payload.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9824

Heuristics 3

  • 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
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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 http://netcdn.co/app/431946152/roblox-how-to-get-everything-free-in-the-catalog-game-hack PDF link annotation
    • https://weddingcards-expert.tw/upload/files/free-robux-codes-2021-real_GM431946152.pdfIn PDF document text
    • https://weddingcards-expert.tw/upload/files/coin-master-free-spins-daily_GM406889139.pdfIn PDF document text
    • https://weddingcards-expert.tw/upload/files/minecraft-bedrock-free-with-java_GM479516143.pdfIn PDF document text
    • https://weddingcards-expert.tw/upload/files/all-client-roblox-hack-script_GM431946152.pdfIn PDF document text
    • https://weddingcards-expert.tw/upload/files/bloxpink-free-robux_GM431946152.pdfIn PDF document text
    • https://weddingcards-expert.tw/upload/files/how-to-get-free-coins-in-coin-master_GM406889139.pdfIn PDF document text
    • https://weddingcards-expert.tw/upload/files/free-spins-for-coin-master-on-1-19-19_GM406889139.pdfIn PDF document text
    • https://weddingcards-expert.tw/upload/files/claim-roblox_GM431946152.pdfIn PDF document text
    • https://weddingcards-expert.tw/upload/files/roblox-com-free-play_GM431946152.pdfIn PDF document text
    • https://weddingcards-expert.tw/upload/files/truco-2021-hack-robux_GM431946152.pdfIn PDF document text
    • https://weddingcards-expert.tw/upload/files/pain-hacks-roblox_GM431946152.pdfIn PDF document text
    • https://weddingcards-expert.tw/upload/files/get-free-tiktok-followers_GM835599320.pdfIn PDF document text
    • https://weddingcards-expert.tw/upload/files/get-robux-for-free-2021_GM431946152.pdfIn PDF document text
    • https://weddingcards-expert.tw/upload/files/coin-master-ios-hack-download_GM406889139.pdfIn PDF document text
    • https://weddingcards-expert.tw/upload/files/ways-to-get-free-robux_GM431946152.pdfIn PDF document text
    • https://weddingcards-expert.tw/upload/files/robux-come_GM431946152.pdfIn PDF document text
    • https://weddingcards-expert.tw/upload/files/free-games-like-minecraft_GM479516143.pdfIn PDF document text
    • https://weddingcards-expert.tw/upload/files/linkmon99-free-robux_GM431946152.pdfIn PDF document text
    • https://weddingcards-expert.tw/upload/files/coin-master-free-spins-link-today-new-2021_GM406889139.pdfIn PDF document text
    • https://weddingcards-expert.tw/upload/files/how-to-get-free-roblox-codes-2021-may_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
font_00_sfnt_off00002b05.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2B05 22420 bytes
SHA-256: 2d71bfd41c556b8eb3df41e0317b3a8fb29f8dc112ff2ecb1675c6ef31d3ffce
font_01_sfnt_off00005cf8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5CF8 19500 bytes
SHA-256: 73310fc7b58273cddbee0a2489dc4d1bf92adf3275a90a57f57cd10c0a6dd7df

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