PDF malware analysis — malicious · a2dd6fad1f8fc51f

MALICIOUS

PDF

41.5 KB Created: 2021-05-20 00:00:15 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-05

MD5: de4d5e5854af22559b1ab87e76e0890f SHA-1: 5d4ca86e36967a2ed2b24970b3d4b35e337353ee SHA-256: a2dd6fad1f8fc51fc1432c0f4e4086b99e1fb2ec94e10d3e371a9412b1e74916

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains a lure related to game hacks and free currency, directing users to a malicious URL. The ML classifier strongly indicates maliciousness, and the presence of embedded URLs further supports a phishing or redirection attack. No scripts were extracted, but the document structure and embedded URLs suggest an attempt to lead the user to a potentially harmful site.

Machine Learning

Nyx PDF Classifier malicious score 0.9971

Heuristics 4

PDF links to a 'free generator / game hack' redirector high 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.
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/835599320/tiktok-free-view-your-liked-videos-game-hack PDF link annotation
- https://www.jjautomation.in/uploaded_files/userfiles/files/minecraft-java-edition-for-free_GM479516143.pdfIn PDF document text
- https://www.jjautomation.in/uploaded_files/userfiles/files/free-robux-sites-that-work_GM431946152.pdfIn PDF document text
- https://www.jjautomation.in/uploaded_files/userfiles/files/buy-robux-free_GM431946152.pdfIn PDF document text
- https://www.jjautomation.in/uploaded_files/userfiles/files/free-robux-com-roblox_GM431946152.pdfIn PDF document text
- https://www.jjautomation.in/uploaded_files/userfiles/files/how-do-i-get-robux-on-roblox_GM431946152.pdfIn PDF document text
- https://www.jjautomation.in/uploaded_files/userfiles/files/how-to-get-free-robux-without-surveys_GM431946152.pdfIn PDF document text
- https://www.jjautomation.in/uploaded_files/userfiles/files/coin-master-hack-2021-app-download_GM406889139.pdfIn PDF document text
- https://www.jjautomation.in/uploaded_files/userfiles/files/pokemon-go-free-pokeballs_GM1094591345.pdfIn PDF document text
- https://www.jjautomation.in/uploaded_files/userfiles/files/coin-master-35-13-hack-download_GM406889139.pdfIn PDF document text
- https://www.jjautomation.in/uploaded_files/userfiles/files/coin-master-free-coins_GM406889139.pdfIn PDF document text
- https://www.jjautomation.in/uploaded_files/userfiles/files/ro-ghoul-script_GM431946152.pdfIn PDF document text
- https://www.jjautomation.in/uploaded_files/userfiles/files/can-you-play-minecraft-for-free_GM479516143.pdfIn PDF document text
- https://www.jjautomation.in/uploaded_files/userfiles/files/coin-master-free-spins-2021-today_GM406889139.pdfIn PDF document text
- https://www.jjautomation.in/uploaded_files/userfiles/files/hack-coin-master-game-apk-download_GM406889139.pdfIn PDF document text
- https://www.jjautomation.in/uploaded_files/userfiles/files/hackear-coin-master-android_GM406889139.pdfIn PDF document text
- https://www.jjautomation.in/uploaded_files/userfiles/files/how-is-tiktok-free_GM835599320.pdfIn PDF document text
- https://www.jjautomation.in/uploaded_files/userfiles/files/free-coin-master-spins-2021_GM406889139.pdfIn PDF document text
- https://www.jjautomation.in/uploaded_files/userfiles/files/roblox-generator_GM431946152.pdfIn PDF document text
- https://www.jjautomation.in/uploaded_files/userfiles/files/blogspot-free-spins-coin-master_GM406889139.pdfIn PDF document text
- https://www.jjautomation.in/uploaded_files/userfiles/files/free-robux-no-human-verification-or-survey-or-download_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.

Filename	Kind	Source	Size
`stream_003_off00004643.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4643	25296 bytes
SHA-256: `5fb5b4e683d13897c1ad385e623053047405881824bf94016b8680084651ee9a`
`font_01_sfnt_off00007ff5.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7FF5	18232 bytes
SHA-256: `746a6668f7c84b9202324eaf7dbcb458dcef3e314ef2711c9a5ad7e1141b0f65`

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