PDF malware analysis — malicious · 7ab30db991a108f4

MALICIOUS

PDF

45.1 KB Created: 2021-05-31 04:15:24 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-13

MD5: cf5acc20b5dfc89e70e3c7c75611a849 SHA-1: f7557d2e55d19beca01d28fe6ff029259a2e0944 SHA-256: 7ab30db991a108f4c8a6cde0fd8a5287df4221c9624ae3703e4e922bd54cc3b4

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The document contains multiple embedded URLs and a visual download button lure, strongly suggesting a phishing or malware distribution attempt. The ML classifier also flagged this PDF as malicious. The primary lure appears to be related to obtaining free in-game currency or items for popular games, which is a common tactic to trick users into clicking malicious links.

Machine Learning

Nyx PDF Classifier malicious score 0.9580

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.xyz/app/406889139/free-spin-coin-master-2021-link-game-hack PDF link annotation
- https://tjiko.de/wp-content/uploads/fsqm-files/how-to-get-free-robux-codes_GM431946152.pdfIn PDF document text
- https://tjiko.de/wp-content/uploads/fsqm-files/free-tiktok-followers-no-downloads_GM835599320.pdfIn PDF document text
- https://tjiko.de/wp-content/uploads/fsqm-files/coin-master-free-coins-and-spins-app_GM406889139.pdfIn PDF document text
- https://tjiko.de/wp-content/uploads/fsqm-files/best-minecraft-hacks_GM479516143.pdfIn PDF document text
- https://tjiko.de/wp-content/uploads/fsqm-files/how-to-get-free-robux-without-downloading-apps_GM431946152.pdfIn PDF document text
- https://tjiko.de/wp-content/uploads/fsqm-files/best-minecraft-hacked-client_GM479516143.pdfIn PDF document text
- https://tjiko.de/wp-content/uploads/fsqm-files/free-spins-on-coin-master-2021_GM406889139.pdfIn PDF document text
- https://tjiko.de/wp-content/uploads/fsqm-files/coin-master-free-spin-and-coins-links-2021_GM406889139.pdfIn PDF document text
- https://tjiko.de/wp-content/uploads/fsqm-files/free-tiktok-like_GM835599320.pdfIn PDF document text
- https://tjiko.de/wp-content/uploads/fsqm-files/coin-master-free-spins-link-blogspot-2021_GM406889139.pdfIn PDF document text
- https://tjiko.de/wp-content/uploads/fsqm-files/minecraft-free-version_GM479516143.pdfIn PDF document text
- https://tjiko.de/wp-content/uploads/fsqm-files/coin-master-free-spin-today_GM406889139.pdfIn PDF document text
- https://tjiko.de/wp-content/uploads/fsqm-files/how-to-get-free-robux_GM431946152.pdfIn PDF document text
- https://tjiko.de/wp-content/uploads/fsqm-files/minecraft-dungeons-free-download_GM479516143.pdfIn PDF document text
- https://tjiko.de/wp-content/uploads/fsqm-files/how-to-get-free-robux-for-real_GM431946152.pdfIn PDF document text
- https://tjiko.de/wp-content/uploads/fsqm-files/free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
- https://tjiko.de/wp-content/uploads/fsqm-files/free-minecraft-skins_GM479516143.pdfIn PDF document text
- https://tjiko.de/wp-content/uploads/fsqm-files/free-games-like-minecraft_GM479516143.pdfIn PDF document text
- https://tjiko.de/wp-content/uploads/fsqm-files/how-to-get-minecraft-for-free-on-iphone_GM479516143.pdfIn PDF document text
- https://tjiko.de/wp-content/uploads/fsqm-files/minecraft-fly-hack_GM479516143.pdfIn PDF document text
- https://tjiko.de/wp-content/uploads/fsqm-files/free-robux-easy_GM431946152.pdfIn PDF document text
- https://tjiko.de/wp-content/uploads/fsqm-files/free-modded-minecraft-server-hosting_GM479516143.pdfIn PDF document text
- https://tjiko.de/wp-content/uploads/fsqm-files/free-robux-site_GM431946152.pdfIn PDF document text
- https://tjiko.de/wp-content/uploads/fsqm-files/free-robux-without-human-verification_GM431946152.pdfIn PDF document text
- https://tjiko.de/wp-content/uploads/fsqm-files/coin-master-hack-https-coinms-net_GM406889139.pdfIn PDF document text
- https://tjiko.de/wp-content/uploads/fsqm-files/tiktok-like-bot-free_GM835599320.pdfIn PDF document text
- https://tjiko.de/wp-content/uploads/fsqm-files/minecraft-apk-free-download_GM479516143.pdfIn PDF document text
- https://tjiko.de/wp-content/uploads/fsqm-files/get-free-robux-now_GM431946152.pdfIn PDF document text
- https://tjiko.de/wp-content/uploads/fsqm-files/minecraft-xray-hack_GM479516143.pdfIn PDF document text
- https://tjiko.de/wp-content/uploads/fsqm-files/free-tiktok-likes-2021_GM835599320.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.

Filename	Kind	Source	Size
`stream_003_off00005353.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x5353	24948 bytes
SHA-256: `993fef815b13ca8c390f1246e1218103f3a86f1e69b1f2ced341602981ef4680`
`font_01_sfnt_off00008ca1.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8CA1	18456 bytes
SHA-256: `7500aca679d0fadfbda1e17cf023a195ee80a601fef81e7f7ced8cf50182af56`

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