PDF malware analysis — malicious · 30f2419d9346c57f

MALICIOUS

PDF

33.4 KB Created: 2021-06-28 01:36:59 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-18

MD5: 68f425d55ef693bb8f73a4eb90773391 SHA-1: ce63348d2112d1a6cdafc578614ec53aba8ce3e2 SHA-256: 30f2419d9346c57f103129c25d32b84a32eeb2bb86c3acef6b0450243fbb0f4c

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 0.9824

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.co/app/431946152/free-robux-wiz-game-hack PDF link annotation
- http://multiconfianca.com.br/ckfinder/userfiles/files/free-spin-coin-master-new-link_GM406889139.pdfIn PDF document text
- http://multiconfianca.com.br/ckfinder/userfiles/files/free-robux-place_GM431946152.pdfIn PDF document text
- http://multiconfianca.com.br/ckfinder/userfiles/files/minecraft-bedrock-edition-free-with-java_GM479516143.pdfIn PDF document text
- http://multiconfianca.com.br/ckfinder/userfiles/files/coin-master-cheat-codes-free_GM406889139.pdfIn PDF document text
- http://multiconfianca.com.br/ckfinder/userfiles/files/androeed-ru-minecraft_GM479516143.pdfIn PDF document text
- http://multiconfianca.com.br/ckfinder/userfiles/files/get-free-spins-coin-master_GM406889139.pdfIn PDF document text
- http://multiconfianca.com.br/ckfinder/userfiles/files/one-piece-nightfall-hack-roblox_GM431946152.pdfIn PDF document text
- http://multiconfianca.com.br/ckfinder/userfiles/files/coin-master-free-spins-and-coins_GM406889139.pdfIn PDF document text
- http://multiconfianca.com.br/ckfinder/userfiles/files/paper-mario-roleplay-roblox-cheat-engine_GM431946152.pdfIn PDF document text
- http://multiconfianca.com.br/ckfinder/userfiles/files/coin-master-spin-hack_GM406889139.pdfIn PDF document text
- http://multiconfianca.com.br/ckfinder/userfiles/files/hack-roblox-fr_GM431946152.pdfIn PDF document text
- http://multiconfianca.com.br/ckfinder/userfiles/files/free-robux-2021-no-verification_GM431946152.pdfIn PDF document text
- http://multiconfianca.com.br/ckfinder/userfiles/files/what-are-points-for-in-roblox_GM431946152.pdfIn PDF document text
- http://multiconfianca.com.br/ckfinder/userfiles/files/free-roblox-hack-us_GM431946152.pdfIn PDF document text
- http://multiconfianca.com.br/ckfinder/userfiles/files/free-roblox-suit-shirt-templates_GM431946152.pdfIn PDF document text
- http://multiconfianca.com.br/ckfinder/userfiles/files/minecraft-maps-pe-free-download_GM479516143.pdfIn PDF document text
- http://multiconfianca.com.br/ckfinder/userfiles/files/escape-prison-roblox-cheats_GM431946152.pdfIn PDF document text
- http://multiconfianca.com.br/ckfinder/userfiles/files/uprobuxcom-free-robux_GM431946152.pdfIn PDF document text
- http://multiconfianca.com.br/ckfinder/userfiles/files/free-minecraft-client_GM479516143.pdfIn PDF document text
- http://multiconfianca.com.br/ckfinder/userfiles/files/coin-master-free-spins-hack-but-no-surveys_GM406889139.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_off00002b12.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2B12	22600 bytes
SHA-256: `52d539f91376e43ce24e99616d6bdf1ccc46f281dbb70afb5c0ff9c0b77c1989`
`font_01_sfnt_off00005d5b.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5D5B	19116 bytes
SHA-256: `3de36fc5821f5c71cff78a942cea51d4d99740ad07584a2efd834f2939b440ba`

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