PDF static analysis report

Static analysis result for SHA-256 1b4a06540174dd39…

SUSPICIOUS

PDF

46.9 KB Created: 2021-06-08 19:26:09 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: abd131c7bffb2b0759271419f072bebd SHA-1: 567f2a3a927093382eeed671cfadbdcd2be6f70b SHA-256: 1b4a06540174dd39d23a9b5ac26f38d9e9ffe2b55eb19eba9e5711650504cefe
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains embedded URLs and document body text that advertise game cheats and hacks, strongly suggesting a social engineering lure. The ML classifier also flagged this PDF as malicious. The presence of multiple external URLs indicates a likely attempt to redirect the user to a download site for a second-stage payload.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9769

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.tw/app/431946152/roblox-hack-cheat-engine-6.2-game-hack PDF link annotation
    • https://www.devries-group.de/images/free-roblox-codes-2021_GM431946152.pdfIn PDF document text
    • https://www.devries-group.de/images/minecraft-pocket-edition-hack_GM479516143.pdfIn PDF document text
    • https://www.devries-group.de/images/coin-master-cheats-2021_GM406889139.pdfIn PDF document text
    • https://www.devries-group.de/images/someone-hacked-my-robux-again_GM431946152.pdfIn PDF document text
    • https://www.devries-group.de/images/coin-master-free-spins-link-download-for-iphone_GM406889139.pdfIn PDF document text
    • https://www.devries-group.de/images/free-spin-coin-master-apk_GM406889139.pdfIn PDF document text
    • https://www.devries-group.de/images/best-site-for-free-coin-master_GM406889139.pdfIn PDF document text
    • https://www.devries-group.de/images/rbxcity-free-robux_GM431946152.pdfIn PDF document text
    • https://www.devries-group.de/images/coin-master-hack-unlimited-spins-apk-download_GM406889139.pdfIn PDF document text
    • https://www.devries-group.de/images/free-minecraft-survival-server_GM479516143.pdfIn PDF document text
    • https://www.devries-group.de/images/free-tiktok-accounts_GM835599320.pdfIn PDF document text
    • https://www.devries-group.de/images/how-to-get-free-robux-without-verification-or-surveys_GM431946152.pdfIn PDF document text
    • https://www.devries-group.de/images/free-robux-games_GM431946152.pdfIn PDF document text
    • https://www.devries-group.de/images/minecraft-tower-defense-hacked_GM479516143.pdfIn PDF document text
    • https://www.devries-group.de/images/free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • https://www.devries-group.de/images/how-to-get-a-free-dominus-in-roblox_GM431946152.pdfIn PDF document text
    • https://www.devries-group.de/images/free-robux-no-human-verification-or-survey-2021_GM431946152.pdfIn PDF document text
    • https://www.devries-group.de/images/how-to-give-robux-on-mobile_GM431946152.pdfIn PDF document text
    • https://www.devries-group.de/images/how-to-get-free-robux-no-scam_GM431946152.pdfIn PDF document text
    • https://www.devries-group.de/images/free-spin-coin-master-game_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004f77.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4F77 24508 bytes
SHA-256: 89e337ff50bddeb44938953d960db450791c9fb913d8bbf5b71bbce945ce6e71
font_01_sfnt_off000087ba.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x87BA 2880 bytes
SHA-256: 10d025f04f706eb71cdda4f99784df1b9ccb52e48080e43095e0398eaef6f132
font_02_sfnt_off000091a4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x91A4 19216 bytes
SHA-256: 1aaf0959eab84a832c94475ff044a779493f16b85b95301a3c3fd7d12796068e