PDF malware analysis — malicious · 3dafecfccde463e6

MALICIOUS

PDF

37.8 KB Created: 2021-07-09 09:30:25 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-01

MD5: b2c41357a7ba1e6b1c66c49a7ef47bde SHA-1: c98cc22e652e230749c5061c232dec84ee5acba6 SHA-256: 3dafecfccde463e691f98f303af6444800b8d35ac12092e336ebfe97be6fd470

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

Nyx PDF Classifier malicious score 0.9985

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 http://netcdn.tw/app/406889139/coin-master-free-spin-and-coin-link-haktuts-hacking-news-game-hack PDF link annotation
- http://stomatoloska-ordinacija-rijeka.com/files/25-free-spins-coin-master_GM406889139.pdfIn PDF document text
- https://www.stomatoloska-ordinacija-rijeka.com/files/coin-master-hack-without-verification-2021_GM406889139.pdfIn PDF document text
- http://stomatoloska-ordinacija-rijeka.com/files/coin-master-free-spins-2021_GM406889139.pdfIn PDF document text
- https://www.stomatoloska-ordinacija-rijeka.com/files/roblox-hack-boku-no-proxo_GM431946152.pdfIn PDF document text
- https://www.stomatoloska-ordinacija-rijeka.com/files/worst-client_GM479516143.pdfIn PDF document text
- http://stomatoloska-ordinacija-rijeka.com/files/roblox-pirata-hack_GM431946152.pdfIn PDF document text
- http://stomatoloska-ordinacija-rijeka.com/files/roblox-tower-battles-hacked_GM431946152.pdfIn PDF document text
- http://stomatoloska-ordinacija-rijeka.com/files/how-to-hack-a-roblox-account-easy_GM431946152.pdfIn PDF document text
- http://stomatoloska-ordinacija-rijeka.com/files/free-roblox-accessories_GM431946152.pdfIn PDF document text
- https://www.stomatoloska-ordinacija-rijeka.com/files/how-to-hack-roblox-to-get-robux_GM431946152.pdfIn PDF document text
- https://www.stomatoloska-ordinacija-rijeka.com/files/free-robux-card-codes_GM431946152.pdfIn PDF document text
- http://stomatoloska-ordinacija-rijeka.com/files/hack-coin-master-using-cheat-engine_GM406889139.pdfIn PDF document text
- https://www.stomatoloska-ordinacija-rijeka.com/files/free-robux-codes-2021_GM431946152.pdfIn PDF document text
- https://www.stomatoloska-ordinacija-rijeka.com/files/how-to-get-free-hacks-on-roblox_GM431946152.pdfIn PDF document text
- https://www.stomatoloska-ordinacija-rijeka.com/files/free-spins-coin-master-links-no-human-verification_GM406889139.pdfIn PDF document text
- https://www.stomatoloska-ordinacija-rijeka.com/files/roblox-cheat-2021-fr_GM431946152.pdfIn PDF document text
- https://www.stomatoloska-ordinacija-rijeka.com/files/hacks-for-pet-ranch-roblox-for-free-coins_GM431946152.pdfIn PDF document text
- https://www.stomatoloska-ordinacija-rijeka.com/files/robuxlove-net-free-robux_GM431946152.pdfIn PDF document text
- https://www.stomatoloska-ordinacija-rijeka.com/files/dominus-hack-roblox_GM431946152.pdfIn PDF document text
- http://stomatoloska-ordinacija-rijeka.com/files/free-robux-com-no-verification_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
`font_00_sfnt_off00003bf9.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x3BF9	23060 bytes
SHA-256: `ebb4c8f220acb31b384fd0a66e85fb77a17c80fb50da830415af24551c398373`
`font_01_sfnt_off00006fbb.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6FBB	18824 bytes
SHA-256: `028a7533a0cffe48b6a3e73a5ec4a7571f128d14e74948211d37bb39bd0384d4`

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