PDF malware analysis — malicious · a3ba3c07ed542955

MALICIOUS

PDF

48.9 KB Created: 2021-06-09 02:40:53 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16

MD5: c213e39e8334ceab33549b187972dee4 SHA-1: dd4cee3f2d705fd0ba5230733c98718a1018f065 SHA-256: a3ba3c07ed542955ee885b79e1745dcc6cdca1c5c826653e122a10287e3c3a66

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The document uses a lure related to free Robux for Roblox Studio to trick users into downloading a malicious file. The heuristic 'SE_SECRET_RECOVERY_LURE' indicates the document may also attempt to phish for sensitive credentials. The embedded URL 'https://netcdn.tw/app/431946152/free-robux-roblox-studio-game-hack' is a primary indicator of the malicious payload's distribution point.

Machine Learning

Nyx PDF Classifier malicious score 0.9796

Heuristics 4

Recovery secret / private key request critical SE_SECRET_RECOVERY_LURE

Document requests recovery phrases, private keys, backup codes, or saved passwords. Requests for these secrets in a document are high-risk.
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/free-robux-roblox-studio-game-hack PDF link annotation
- https://vissalutis.pl/wp-content/uploads/fsqm-files/roblox-hack-2021-get-free-robux_GM431946152.pdfIn PDF document text
- https://vissalutis.pl/wp-content/uploads/fsqm-files/google-for-free-robux_GM431946152.pdfIn PDF document text
- https://vissalutis.pl/wp-content/uploads/fsqm-files/how-to-get-minecraft-realms-for-free_GM479516143.pdfIn PDF document text
- https://vissalutis.pl/wp-content/uploads/fsqm-files/roblox-extreme-hack_GM431946152.pdfIn PDF document text
- https://vissalutis.pl/wp-content/uploads/fsqm-files/free-game-pass-roblox-2021_GM431946152.pdfIn PDF document text
- https://vissalutis.pl/wp-content/uploads/fsqm-files/hacks-for-roblox-assassin-auto-aiming_GM431946152.pdfIn PDF document text
- https://vissalutis.pl/wp-content/uploads/fsqm-files/how-to-hack-into-a-roblox-players-login_GM431946152.pdfIn PDF document text
- https://vissalutis.pl/wp-content/uploads/fsqm-files/roblox-robux-hack-online-no-download_GM431946152.pdfIn PDF document text
- https://vissalutis.pl/wp-content/uploads/fsqm-files/tiktok-viewer-free_GM835599320.pdfIn PDF document text
- https://vissalutis.pl/wp-content/uploads/fsqm-files/minecraft-fly-hack_GM479516143.pdfIn PDF document text
- https://vissalutis.pl/wp-content/uploads/fsqm-files/roblox-super-speed-hack_GM431946152.pdfIn PDF document text
- https://vissalutis.pl/wp-content/uploads/fsqm-files/roblox-mobile-hack_GM431946152.pdfIn PDF document text
- https://vissalutis.pl/wp-content/uploads/fsqm-files/how-to-get-robux-for-free-2021_GM431946152.pdfIn PDF document text
- https://vissalutis.pl/wp-content/uploads/fsqm-files/yt-roblox-parkour-you-can-free-runing-the-buy_GM431946152.pdfIn PDF document text
- https://vissalutis.pl/wp-content/uploads/fsqm-files/roblox-hack-client-2021-wrd-cbx_GM431946152.pdfIn PDF document text
- https://vissalutis.pl/wp-content/uploads/fsqm-files/hack-para-roblox-jailbreak-2021_GM431946152.pdfIn PDF document text
- https://vissalutis.pl/wp-content/uploads/fsqm-files/free-k-upreme-freestyle-roblox-id_GM431946152.pdfIn PDF document text
- https://vissalutis.pl/wp-content/uploads/fsqm-files/how-to-hack-roblox-accounts_GM431946152.pdfIn PDF document text
- https://vissalutis.pl/wp-content/uploads/fsqm-files/free-gamepasses-roblox_GM431946152.pdfIn PDF document text
- https://vissalutis.pl/wp-content/uploads/fsqm-files/free-robuxs-no-offer_GM431946152.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.

Filename	Kind	Source	Size
`stream_004_off000053a4.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x53A4	27976 bytes
SHA-256: `9807c635ec04eaee767cb84392d52b2fa6fcf3ff0f26cc99247c60f5b68059c5`
`font_01_sfnt_off000091c7.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x91C7	2936 bytes
SHA-256: `916b11be10f0ffa1ebd680d716301a4082435ec0602a7356f5ccddc80b512e8a`
`font_02_sfnt_off00009bed.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9BED	18484 bytes
SHA-256: `d4e55a0ab6caae1c3800577a0759036a25391f915171647960896101ae90e946`

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