PDF static analysis report

Static analysis result for SHA-256 21f643a18dff370e…

SUSPICIOUS

PDF

33.5 KB Created: 2021-07-08 13:57:08 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 175c1263aff3f5e85d27c6bac9c80018 SHA-1: 1065bc055697fce993a73076cd971da0a8f1ab87 SHA-256: 21f643a18dff370e6dbbd3b646fb98dbf451fa83c81dcd78d50c859a93bc134e
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The document contains numerous links to websites offering free in-game currency and hacks, strongly suggesting a lure for users to download potentially malicious files or visit phishing sites. The ML classifier also flagged this PDF as malicious with high confidence. While no scripts were explicitly extracted, the presence of embedded URLs and the document's theme indicate a social engineering attempt to trick users into clicking malicious links.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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.tw/app/431946152/free-robux-gift-card-codes-game-hack PDF link annotation
    • http://www.lorengindonesia.com/new/public/ckfinder/userfiles/files/coin-master-hacksco_GM406889139.pdfIn PDF document text
    • http://www.lorengindonesia.com/new/public/ckfinder/userfiles/files/cheat-roblox-strucid_GM431946152.pdfIn PDF document text
    • http://www.lorengindonesia.com/new/public/ckfinder/userfiles/files/no-verification-robux-hacker_GM431946152.pdfIn PDF document text
    • http://www.lorengindonesia.com/new/public/ckfinder/userfiles/files/how-to-get-free-robux-on-android_GM431946152.pdfIn PDF document text
    • http://www.lorengindonesia.com/new/public/ckfinder/userfiles/files/anak-roblox-hacking-tool_GM431946152.pdfIn PDF document text
    • http://www.lorengindonesia.com/new/public/ckfinder/userfiles/files/free-tiktok-video_GM835599320.pdfIn PDF document text
    • http://www.lorengindonesia.com/new/public/ckfinder/userfiles/files/pokemon-go-free-coins-no-verification_GM1094591345.pdfIn PDF document text
    • http://www.lorengindonesia.com/new/public/ckfinder/userfiles/files/roblox-skins-download-free_GM431946152.pdfIn PDF document text
    • http://www.lorengindonesia.com/new/public/ckfinder/userfiles/files/free-back-accessories-roblox_GM431946152.pdfIn PDF document text
    • http://www.lorengindonesia.com/new/public/ckfinder/userfiles/files/robux-hacks-2021_GM431946152.pdfIn PDF document text
    • http://www.lorengindonesia.com/new/public/ckfinder/userfiles/files/hacks-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://www.lorengindonesia.com/new/public/ckfinder/userfiles/files/robux-offers_GM431946152.pdfIn PDF document text
    • http://www.lorengindonesia.com/new/public/ckfinder/userfiles/files/free-ways-to-get-robux_GM431946152.pdfIn PDF document text
    • http://www.lorengindonesia.com/new/public/ckfinder/userfiles/files/minecraft-coins-free_GM479516143.pdfIn PDF document text
    • http://www.lorengindonesia.com/new/public/ckfinder/userfiles/files/coin-master-hack-xyz-download-free_GM406889139.pdfIn PDF document text
    • http://www.lorengindonesia.com/new/public/ckfinder/userfiles/files/csgo-roblox-hack-sc-ript-pastebin-2021_GM431946152.pdfIn PDF document text
    • http://www.lorengindonesia.com/new/public/ckfinder/userfiles/files/free-robux-quiz_GM431946152.pdfIn PDF document text
    • http://www.lorengindonesia.com/new/public/ckfinder/userfiles/files/how-to-get-robux-gift-cards-for-free_GM431946152.pdfIn PDF document text
    • http://www.lorengindonesia.com/new/public/ckfinder/userfiles/files/game-hunters-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://www.lorengindonesia.com/new/public/ckfinder/userfiles/files/free-robux-febuary-2021-no-waiting-times_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_off00002fec.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2FEC 20984 bytes
SHA-256: 54756d1dedaac2d963a0ac48e4093552f70b3b521ed97b9fca9e83c64d78b0a4
font_01_sfnt_off00005d5f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5D5F 19112 bytes
SHA-256: a9b7dd84bf9e82aea66064645c2f0ef7c8831366a8baade96afcbb6aebc803c0

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