PDF malware analysis — malicious · d97e6e455f4b9838

MALICIOUS

PDF

51.4 KB Created: 2021-05-31 09:08:04 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-16

MD5: bcd2647ad3dad0e8384127cf2540ce29 SHA-1: 9ce281101aad8e9248486b88f40d5a15207ecbe0 SHA-256: d97e6e455f4b98380d200512fa8be67a80d016641aa56004d4dc6f07715e9c4d

160 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains multiple links to external websites, including one identified as a malicious redirector. The document body and heuristics indicate a lure related to game hacks and generators, suggesting the intent is to redirect users to potentially malicious sites for further exploitation or phishing. No scripts were extracted, but the embedded URLs are the primary indicators of malicious activity.

Machine Learning

Nyx PDF Classifier malicious score 0.7685

Heuristics 4

PDF links to a 'free generator / game hack' redirector critical PDF_GAME_HACK_REDIRECT_LURE

PDF's clickable action targets a redirector of the form /app/<id>/<slug>-game-hack — the landing-page shape of a large SEO 'free spins / generator / game hack' lure family that funnels victims through rotating disposable hosts to a malware/scam payload. The multi-link variants also trip ML/link-farm rules; this catches the single-link variants that otherwise score clean. CRITICAL on its own: the /app/<id>/<slug>-game-hack path shape is unambiguous scam infra, and the host rotates so a host-list match can't be relied on.
PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK

PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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
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/431946152/roblox-glitches-and-cheats-for-lumber-tycoon-2-game-hack In PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/free-minecraft-server-hosting-24-7_GM479516143.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/how-to-get-minecraft-for-free-on-pc_GM479516143.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/coin-master-hack-without-verification_GM406889139.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/get-free-robux-com_GM431946152.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/free-robux-generator-no-verification_GM431946152.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/free-tiktok-followers_GM835599320.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/minecraft-hacked-client-112-2_GM479516143.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/mobihack-net-roblox-hack_GM431946152.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/hacks-to-get-free-robux_GM431946152.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/free-minecraft-coloring-pages_GM479516143.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/coin-master-daily-free-spins-blogspot_GM406889139.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/free-robux-website_GM431946152.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/free-robux-games-that-actually-work_GM431946152.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/coin-master-free-spin-today_GM406889139.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/how-to-get-free-robux_GM431946152.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/get-free-robux-generator_GM431946152.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/get-free-robux_GM431946152.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/free-robux-no-human-verification-or-survey-2021_GM431946152.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/free-tiktok-accounts-with-followers_GM835599320.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/free-modded-minecraft-server_GM479516143.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/how-to-get-minecraft-java-edition-for-free_GM479516143.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/free-robux-promo-codes-2021_GM431946152.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/get-free-robux-2021_GM431946152.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/minecraft-tiktok-hacks_GM479516143.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/free-spins-for-coin-master_GM406889139.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/free-tiktok-comments_GM835599320.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/free-robux-today_GM431946152.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/free-robux-script_GM431946152.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/how-to-get-minecraft-for-free-on-android_GM479516143.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/free-spins-for-coin-master-app_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.

Filename	Kind	Source	Size
`stream_004_off00005d4d.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x5D4D	25388 bytes
SHA-256: `5c04d0c21dd0965fc24957b9826c178239fd50cb9962bdc93506db4d7991d8ca`
`font_01_sfnt_off00009865.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9865	2940 bytes
SHA-256: `eb230542719c96b42e3fd8bb01e35f13ebd5f02629049da3a58e7fd7607bf48a`
`font_02_sfnt_off0000a275.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xA275	19444 bytes
SHA-256: `ad70744348be12d5565bd63c2945d4aa9533545aa424514e66bf39023999f040`

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