Malicious PDF — malware analysis report

Static analysis result for SHA-256 696ba18d3aab139b…

MALICIOUS

PDF

35.6 KB Created: 2021-06-25 19:33:02 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-15
MD5: a11359a046c004cf601a7461c61df86f SHA-1: 04de9fe99dfe2fe23d2dc31e720cb97bf4054f6e SHA-256: 696ba18d3aab139bfbd115722843aed6239a0de3c126a36fc108745676f8f153
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious File

This PDF document exhibits characteristics of a credential phishing attack, impersonating Amazon and presenting a deceptive download button. The embedded URL, http://netcdn.co/app/431946152/roblox-booga-booga-mojo-update-hack-game-hack, is likely intended to lead the user to a malicious download or exploit. The ML classifier strongly flagged this PDF as malicious, supporting the phishing and potential malware delivery intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 4

  • Brand-impersonation credential phishing lure high SE_BRAND_CREDENTIAL_PHISH
    Document impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: call-to-action link host does not match the impersonated brand: http://netcdn.co/app/431946152/roblox-booga-booga-mojo-update-hack-game-hack.
  • 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-booga-booga-mojo-update-hack-game-hack PDF link annotation
    • https://hunting.beta.privatewaterfishing.com/userFiles/files/coin-master-15-free-spin-link-of-last-5-days_GM406889139.pdfIn PDF document text
    • https://hunting.beta.privatewaterfishing.com/userFiles/files/daily-spins-coin-master_GM406889139.pdfIn PDF document text
    • https://hunting.beta.privatewaterfishing.com/userFiles/files/cheat-bad-business-roblox_GM431946152.pdfIn PDF document text
    • https://hunting.beta.privatewaterfishing.com/userFiles/files/blox-land-free-robux_GM431946152.pdfIn PDF document text
    • https://hunting.beta.privatewaterfishing.com/userFiles/files/ban-script-for-roblox-hack_GM431946152.pdfIn PDF document text
    • https://hunting.beta.privatewaterfishing.com/userFiles/files/minecraft-bedrock-edition-free_GM479516143.pdfIn PDF document text
    • https://hunting.beta.privatewaterfishing.com/userFiles/files/coin-master-free-coins-link-2021-deutsch_GM406889139.pdfIn PDF document text
    • https://hunting.beta.privatewaterfishing.com/userFiles/files/how-to-buy-robux-free-on-roblox_GM431946152.pdfIn PDF document text
    • https://hunting.beta.privatewaterfishing.com/userFiles/files/hack-coin-master-free_GM406889139.pdfIn PDF document text
    • https://hunting.beta.privatewaterfishing.com/userFiles/files/roblox-red-boy-hack_GM431946152.pdfIn PDF document text
    • https://hunting.beta.privatewaterfishing.com/userFiles/files/how-to-hack-roblox-to-get-robux_GM431946152.pdfIn PDF document text
    • https://hunting.beta.privatewaterfishing.com/userFiles/files/pubg-uc-murah_GM1330123889.pdfIn PDF document text
    • https://hunting.beta.privatewaterfishing.com/userFiles/files/how-to-create-a-minecraft-server-for-free_GM479516143.pdfIn PDF document text
    • https://hunting.beta.privatewaterfishing.com/userFiles/files/roblox-hack-no-download-no-survey-2021_GM431946152.pdfIn PDF document text
    • https://hunting.beta.privatewaterfishing.com/userFiles/files/how-to-free-robux_GM431946152.pdfIn PDF document text
    • https://hunting.beta.privatewaterfishing.com/userFiles/files/coin-master-homepage_GM406889139.pdfIn PDF document text
    • https://hunting.beta.privatewaterfishing.com/userFiles/files/get-me-robux-for-free_GM431946152.pdfIn PDF document text
    • https://hunting.beta.privatewaterfishing.com/userFiles/files/roblox-skins-boy-free_GM431946152.pdfIn PDF document text
    • https://hunting.beta.privatewaterfishing.com/userFiles/files/what-is-robux_GM431946152.pdfIn PDF document text
    • https://hunting.beta.privatewaterfishing.com/userFiles/files/free-robux-for-kids-no-verification_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_off0000321b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x321B 22500 bytes
SHA-256: 13c17e1ee02c6b776371a6f605d4d1201277374f16d2541e03e2be9af7733f5c
font_01_sfnt_off00006481.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6481 19492 bytes
SHA-256: f9054e2fbe098c9105a884fffb839fe078bb00ca8e26c7e174bf99ac2627259d

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