PDF static analysis report

Static analysis result for SHA-256 1622a709df0f05b5…

SUSPICIOUS

PDF

42.7 KB Created: 2021-06-13 22:59:21 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: f47ac1f6c92b226f2ed49d398610fcd5 SHA-1: c5231425506c58dc066cddfee5e0e8d1243f5a97 SHA-256: 1622a709df0f05b58022393a0d890d17b1fc04cb9da894b3fbee761e152c019b
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a lure for free Robux, a virtual currency, and includes an external URI pointing to a potential application download. The ML classifier strongly flagged this PDF as malicious, and the presence of embedded URLs further supports a malicious intent to trick users into downloading unwanted software. No scripts were extracted from this sample, limiting the ability to determine specific execution methods.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

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/free-robux-no-ads-game-hack PDF link annotation
    • https://inspiration-modellbau.de/images/give-me-free-robux_GM431946152.pdfIn PDF document text
    • https://inspiration-modellbau.de/images/how-to-telecharging-a-website-of-hacking-on-roblox_GM431946152.pdfIn PDF document text
    • https://inspiration-modellbau.de/images/is-minecraft-java-free_GM479516143.pdfIn PDF document text
    • https://inspiration-modellbau.de/images/roblox-free-robux-no-human-verification_GM431946152.pdfIn PDF document text
    • https://inspiration-modellbau.de/images/all-coin-master-spin-link-and-free-download_GM406889139.pdfIn PDF document text
    • https://inspiration-modellbau.de/images/roblox-hack-me-robux_GM431946152.pdfIn PDF document text
    • https://inspiration-modellbau.de/images/how-to-hack-into-accounts-roblox_GM431946152.pdfIn PDF document text
    • https://inspiration-modellbau.de/images/roblox-run-hack_GM431946152.pdfIn PDF document text
    • https://inspiration-modellbau.de/images/how-to-get-free-roblox-hair_GM431946152.pdfIn PDF document text
    • https://inspiration-modellbau.de/images/how-get-free-robux-2021_GM431946152.pdfIn PDF document text
    • https://inspiration-modellbau.de/images/how-to-get-free-spins-on-coin-master-ios_GM406889139.pdfIn PDF document text
    • https://inspiration-modellbau.de/images/roblox-online-free_GM431946152.pdfIn PDF document text
    • https://inspiration-modellbau.de/images/free-promo-codes-list-roblox_GM431946152.pdfIn PDF document text
    • https://inspiration-modellbau.de/images/roblox-cheat-engine-shut-down-server_GM431946152.pdfIn PDF document text
    • https://inspiration-modellbau.de/images/minecraft-free-unblocked_GM479516143.pdfIn PDF document text
    • https://inspiration-modellbau.de/images/coin-master-blogspot-free-spins_GM406889139.pdfIn PDF document text
    • https://inspiration-modellbau.de/images/coin-master-hack-tool-access-online-generator_GM406889139.pdfIn PDF document text
    • https://inspiration-modellbau.de/images/how-to-buy-robux-for-free_GM431946152.pdfIn PDF document text
    • https://inspiration-modellbau.de/images/roblox-booga-booga-hack_GM431946152.pdfIn PDF document text
    • https://inspiration-modellbau.de/images/cheat-dungeon-quest-roblox-20s_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_off000049ec.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x49EC 25548 bytes
SHA-256: 7024ab567b0f4d225e1e52acfb716e62b32433efcb8e6cbaaf68b2fd0f7daa30
font_01_sfnt_off000084ca.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x84CA 18188 bytes
SHA-256: dc4ba5845b46f90ea4845fec8943e75eb5d7658f30b1fd4e8403a4fcff486a5c