PDF static analysis report

Static analysis result for SHA-256 d37f698933f81f3a…

SUSPICIOUS

PDF

34.8 KB Created: 2021-06-29 07:39:12 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 0b4233057258451c73c6978c5c9aaf0d SHA-1: 60606f344cd3415b84a7147d216043ce44d890a4 SHA-256: d37f698933f81f3a8549987ea8e867a55e207b9a3f8dfa9744d3a889b3a12c4a
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous embedded URLs and a call-to-action phrase, strongly suggesting a phishing or scam attempt. The ML classifier also flagged this PDF as malicious with high confidence. The primary lure appears to be related to obtaining free in-game currency or hacks for popular games, directing users to external sites.

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.co/app/431946152/how-to-get-free-robux-no-verifaction-or-servey-game-hack PDF link annotation
    • https://www.wco.org.uk/uploads/files/files/how-to-exploit-with-cheat-engine-in-roblox_GM431946152.pdfIn PDF document text
    • https://www.wco.org.uk/uploads/files/files/free-roblox-accessories_GM431946152.pdfIn PDF document text
    • https://www.wco.org.uk/uploads/files/files/minecraft-java-edition-key-free_GM479516143.pdfIn PDF document text
    • https://www.wco.org.uk/uploads/files/files/coin-master-free-coins-hack_GM406889139.pdfIn PDF document text
    • https://www.wco.org.uk/uploads/files/files/free-robux-no-verification-2021-android_GM431946152.pdfIn PDF document text
    • https://www.wco.org.uk/uploads/files/files/best-roblox-hacks_GM431946152.pdfIn PDF document text
    • https://www.wco.org.uk/uploads/files/files/how-to-get-1-million-robux-for-free-2021_GM431946152.pdfIn PDF document text
    • https://www.wco.org.uk/uploads/files/files/minecraft-for-free-apk_GM479516143.pdfIn PDF document text
    • https://www.wco.org.uk/uploads/files/files/free-robux-survey_GM431946152.pdfIn PDF document text
    • https://www.wco.org.uk/uploads/files/files/free-robux-no-verification-no-download-2021_GM431946152.pdfIn PDF document text
    • https://www.wco.org.uk/uploads/files/files/roblox-free-robux-mod-menu_GM431946152.pdfIn PDF document text
    • https://www.wco.org.uk/uploads/files/files/minecraft-mac-free_GM479516143.pdfIn PDF document text
    • https://www.wco.org.uk/uploads/files/files/cheat-engine-63-roblox-download_GM431946152.pdfIn PDF document text
    • https://www.wco.org.uk/uploads/files/files/roblox-mod-hack_GM431946152.pdfIn PDF document text
    • https://www.wco.org.uk/uploads/files/files/coin-master-free-spins-link-blogspot_GM406889139.pdfIn PDF document text
    • https://www.wco.org.uk/uploads/files/files/minecraft-name-tag-hacks_GM479516143.pdfIn PDF document text
    • https://www.wco.org.uk/uploads/files/files/bloxpage-free-robux_GM431946152.pdfIn PDF document text
    • https://www.wco.org.uk/uploads/files/files/how-to-send-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • https://www.wco.org.uk/uploads/files/files/free-spins-coins-coin-master_GM406889139.pdfIn PDF document text
    • https://www.wco.org.uk/uploads/files/files/free-cracked-minecraft-server-hosting_GM479516143.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_off00002fb6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2FB6 22440 bytes
SHA-256: b7ae079a75b3c99b53058bd820dcc6d0970d747e8af214303cc3ed414379fd74
font_01_sfnt_off000061a2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x61A2 19532 bytes
SHA-256: 255abe27e8e83091e81f0251b30372760a4d8fa73dce9760998aca91dbb38deb