Malicious PDF — malware analysis report

Static analysis result for SHA-256 717b8a5038b68d13…

MALICIOUS

PDF

34.6 KB Created: 2021-07-02 07:27:43 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-15
MD5: 2f70d27b0afb8b29c28f52a3a8efb228 SHA-1: 87d808e1e55ba75d88fd7d1bd2420ed92b6360ac SHA-256: 717b8a5038b68d139732fdddbb8d070c6966a1cbaae85ca4c941fb773ea07711
102 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous links and a call-to-action phrase, strongly suggesting a phishing or scam attempt. The primary URL, http://netcdn.co/app/431946152/free-robux-generator-links-game-hack, is likely the download location for a malicious payload. The document body and embedded links all revolve around the theme of obtaining free Robux through generators or hacks, a common lure for distributing malware.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 4

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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/free-robux-generator-links-game-hack PDF link annotation
    • https://stikes-alinsyirah.ac.id/perpustakaan/repository/are-there-any-roblox-games-that-give-free-robux_GM431946152.pdfIn PDF document text
    • https://stikes-alinsyirah.ac.id/perpustakaan/repository/how-to-hack-on-roblox-into-accounts_GM431946152.pdfIn PDF document text
    • https://stikes-alinsyirah.ac.id/perpustakaan/repository/how-o-get-hacks-in-roblox_GM431946152.pdfIn PDF document text
    • https://stikes-alinsyirah.ac.id/perpustakaan/repository/roblox-hack-online-cheats-tool_GM431946152.pdfIn PDF document text
    • https://stikes-alinsyirah.ac.id/perpustakaan/repository/roblox-hacked-accounts-list_GM431946152.pdfIn PDF document text
    • https://stikes-alinsyirah.ac.id/perpustakaan/repository/kewlaid-hack-roblox_GM431946152.pdfIn PDF document text
    • https://stikes-alinsyirah.ac.id/perpustakaan/repository/roblox-polyguns-crate-teleport-hack_GM431946152.pdfIn PDF document text
    • https://stikes-alinsyirah.ac.id/perpustakaan/repository/how-ti-get-free-clothes-with-no-robux_GM431946152.pdfIn PDF document text
    • https://stikes-alinsyirah.ac.id/perpustakaan/repository/how-to-get-free-robux-on-android_GM431946152.pdfIn PDF document text
    • https://stikes-alinsyirah.ac.id/perpustakaan/repository/how-to-get-free-robux-ios-and-pc_GM431946152.pdfIn PDF document text
    • https://stikes-alinsyirah.ac.id/perpustakaan/repository/roblox-cheats-for-robux-pc_GM431946152.pdfIn PDF document text
    • https://stikes-alinsyirah.ac.id/perpustakaan/repository/como-hackear-coin-master-iphone_GM406889139.pdfIn PDF document text
    • https://stikes-alinsyirah.ac.id/perpustakaan/repository/football-legends-hack-roblox_GM431946152.pdfIn PDF document text
    • https://stikes-alinsyirah.ac.id/perpustakaan/repository/free-hacking-2021-jailbreak-roblox-100-sure_GM431946152.pdfIn PDF document text
    • https://stikes-alinsyirah.ac.id/perpustakaan/repository/simple-roblox-hack-hp_GM431946152.pdfIn PDF document text
    • https://stikes-alinsyirah.ac.id/perpustakaan/repository/roblox-retail-tycoon-cheats_GM431946152.pdfIn PDF document text
    • https://stikes-alinsyirah.ac.id/perpustakaan/repository/is-coin-master-hack-safe_GM406889139.pdfIn PDF document text
    • https://stikes-alinsyirah.ac.id/perpustakaan/repository/aimbot-hack-for-roblox-phantom-forces-for-download_GM431946152.pdfIn PDF document text
    • https://stikes-alinsyirah.ac.id/perpustakaan/repository/robloxheroxyz-free-robux_GM431946152.pdfIn PDF document text
    • https://stikes-alinsyirah.ac.id/perpustakaan/repository/roblox-hack-menu-2021_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003194.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3194 21960 bytes
SHA-256: 725d6b6c55447937303b87db00393b1fa07fb877c5515a5df3f0322fe63d88af
font_01_sfnt_off00006202.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6202 19108 bytes
SHA-256: fd0f7a56a0e92b49d6aebd54b8c3aa726e94f7442b2e572a987c7f0f23e65540