Malicious PDF — malware analysis report

Static analysis result for SHA-256 aade12d4cf075850…

MALICIOUS

PDF

49.6 KB Created: 2021-06-08 09:14:02 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 139d5e65420199aeef2a840eea66fc78 SHA-1: eb88c358d67e6a80bb2f006d572c295630f1522f SHA-256: aade12d4cf075850cbcc9156124bcaf9ad811b12a7fe676be6fdd55c6c483292
82 Risk Score

Malware Insights

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

The PDF document contains embedded URLs and a visual download button lure, impersonating Apple to trick users into clicking a malicious link. The primary URL, https://netcdn.tw/app/431946152/ben-10-universal-showdown-roblox-cheat-codes-game-hack, is presented as a lure for game cheat codes, which is a common tactic for credential phishing or malware distribution. The ML classifier strongly flagged this PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9871

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: https://netcdn.tw/app/431946152/ben-10-universal-showdown-roblox-cheat-codes-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 https://netcdn.tw/app/431946152/ben-10-universal-showdown-roblox-cheat-codes-game-hack PDF link annotation
    • http://vermaagri.com/uploaded_files/userfiles/files/minecraft-that-you-can-play-for-free_GM479516143.pdfIn PDF document text
    • http://vermaagri.com/uploaded_files/userfiles/files/minecraft-apk-114_GM479516143.pdfIn PDF document text
    • http://www.vermaagri.com/uploaded_files/userfiles/files/coin-master-free-coins-hack_GM406889139.pdfIn PDF document text
    • http://vermaagri.com/uploaded_files/userfiles/files/roblox-studio-free_GM431946152.pdfIn PDF document text
    • http://vermaagri.com/uploaded_files/userfiles/files/coin-master-3533-android-hack_GM406889139.pdfIn PDF document text
    • http://www.vermaagri.com/uploaded_files/userfiles/files/minecraft-free-download-apk-softonic_GM479516143.pdfIn PDF document text
    • http://www.vermaagri.com/uploaded_files/userfiles/files/avatar-roblox-game_GM431946152.pdfIn PDF document text
    • http://vermaagri.com/uploaded_files/userfiles/files/robux-hack-2021_GM431946152.pdfIn PDF document text
    • http://www.vermaagri.com/uploaded_files/userfiles/files/blogspot-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://vermaagri.com/uploaded_files/userfiles/files/coinmaster-blogspot_GM406889139.pdfIn PDF document text
    • http://vermaagri.com/uploaded_files/userfiles/files/free-robux-2021-no-human-verification_GM431946152.pdfIn PDF document text
    • http://vermaagri.com/uploaded_files/userfiles/files/how-to-get-free-spins-in-coin-master_GM406889139.pdfIn PDF document text
    • http://www.vermaagri.com/uploaded_files/userfiles/files/coin-master-spin-cheat_GM406889139.pdfIn PDF document text
    • http://vermaagri.com/uploaded_files/userfiles/files/coin-master-hack-blog_GM406889139.pdfIn PDF document text
    • http://vermaagri.com/uploaded_files/userfiles/files/free-minecraft-premium-account_GM479516143.pdfIn PDF document text
    • http://www.vermaagri.com/uploaded_files/userfiles/files/roblox-com-free-robux_GM431946152.pdfIn PDF document text
    • http://www.vermaagri.com/uploaded_files/userfiles/files/new-free-money-links-coin-master_GM406889139.pdfIn PDF document text
    • http://vermaagri.com/uploaded_files/userfiles/files/coin-master-free-coins-and-spins-2021_GM406889139.pdfIn PDF document text
    • http://vermaagri.com/uploaded_files/userfiles/files/hack-coin-master-android-2021_GM406889139.pdfIn PDF document text
    • http://vermaagri.com/uploaded_files/userfiles/files/minecraft-114-download_GM479516143.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_off0000546d.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x546D 31728 bytes
SHA-256: 11bb559ac7837026efdc254218a53e324f1b6e61764a38c4fa77292f785d50e7
font_01_sfnt_off00009c74.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9C74 19320 bytes
SHA-256: 35434cd352e3ea6919e4a043b66670872933491e92289eb7449564da724ec2c6

Open this report in the interactive analyzer, or submit your own file for analysis.