PDF static analysis report

Static analysis result for SHA-256 c1311abdb27535df…

SUSPICIOUS

PDF

44.6 KB Created: 2021-06-03 20:58:31 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17
MD5: 725ce64086f175c77dfd0a71be94e62d SHA-1: 04dfa68733ce89622e8b06562ddbf011a18a919a SHA-256: c1311abdb27535df6b25ab5d50b64e33af46638dee3feb47c71975162913c9cf
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains embedded URLs and a visual call-to-action, strongly suggesting a phishing or social engineering attempt. The primary URL points to a page promising free items for a game, a common lure. While no scripts were explicitly extracted, the presence of embedded URLs and the ML classifier's high confidence indicate a malicious intent to redirect the user to a potentially harmful site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9865

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 https://netcdn.online/app/406889139/how-do-you-get-free-pet-food-in-coin-master-game-hack PDF link annotation
    • https://kojak-group.com/userfiles/files/free-minecraft-printables_GM479516143.pdfIn PDF document text
    • https://kojak-group.com/userfiles/files/free-minecraft-windows-10-account_GM479516143.pdfIn PDF document text
    • https://kojak-group.com/userfiles/files/free-spins-on-coin-master-cheat_GM406889139.pdfIn PDF document text
    • https://kojak-group.com/userfiles/files/minecraft-java-edition-redeem-code-free-2021_GM479516143.pdfIn PDF document text
    • https://kojak-group.com/userfiles/files/promo-codes-for-free-robux_GM431946152.pdfIn PDF document text
    • https://kojak-group.com/userfiles/files/free-robux-app-2021_GM431946152.pdfIn PDF document text
    • https://kojak-group.com/userfiles/files/free-robux-gift-card-codes-2021_GM431946152.pdfIn PDF document text
    • https://kojak-group.com/userfiles/files/coin-master-gameplay_GM406889139.pdfIn PDF document text
    • https://kojak-group.com/userfiles/files/free-robux-images_GM431946152.pdfIn PDF document text
    • https://kojak-group.com/userfiles/files/gamehunters-club-coin-master_GM406889139.pdfIn PDF document text
    • https://kojak-group.com/userfiles/files/coin-master-2021-free-spins_GM406889139.pdfIn PDF document text
    • https://kojak-group.com/userfiles/files/free-tiktok-fans-and-likes_GM835599320.pdfIn PDF document text
    • https://kojak-group.com/userfiles/files/pubg-uc-20_GM1330123889.pdfIn PDF document text
    • https://kojak-group.com/userfiles/files/minecraft-116-free-download_GM479516143.pdfIn PDF document text
    • https://kojak-group.com/userfiles/files/how-to-get-free-robux-no-human-verification-2021_GM431946152.pdfIn PDF document text
    • https://kojak-group.com/userfiles/files/robuxlove-net-free-robux_GM431946152.pdfIn PDF document text
    • https://kojak-group.com/userfiles/files/what-is-exploiting-in-roblox_GM431946152.pdfIn PDF document text
    • https://kojak-group.com/userfiles/files/coin-master-daily-free-spins-hack_GM406889139.pdfIn PDF document text
    • https://kojak-group.com/userfiles/files/how-to-get-free-robux-without-verifying_GM431946152.pdfIn PDF document text
    • https://kojak-group.com/userfiles/files/coin-master-rewards_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_004_off0000509a.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x509A 25080 bytes
SHA-256: 2d167c7516f828887a58306dba549841e516538996089974c1c43a9cc4463966
font_01_sfnt_off00008ad2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8AD2 18672 bytes
SHA-256: cff39daf026dc40ed6ecaa9210f7f2c1a86de44fdb8191942dcd9a9d80f52395

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