PDF malware analysis — malicious · 682bc19f7feaafb0

MALICIOUS

PDF

34.3 KB Created: 2021-06-29 10:53:25 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: c676fe8709a71a441757530cb9d20b23 SHA-1: 13d9d4132d21338ee005c3883248f4bca0022099 SHA-256: 682bc19f7feaafb05bcdaf352f8cb95dc5d808e66909e4bf3a2ca6dc1f9cfe9b

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 0.9980

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-roblox-generator-no-verification-game-hack PDF link annotation
- http://www.waelhamadehgallery.com/uploaded_files/userfiles/files/tiktok-viewer-free_GM835599320.pdfIn PDF document text
- http://www.waelhamadehgallery.com/uploaded_files/userfiles/files/roblox-april-fools-hack_GM431946152.pdfIn PDF document text
- http://www.waelhamadehgallery.com/uploaded_files/userfiles/files/roblox-best-free-models_GM431946152.pdfIn PDF document text
- http://www.waelhamadehgallery.com/uploaded_files/userfiles/files/free-robux-co_GM431946152.pdfIn PDF document text
- http://www.waelhamadehgallery.com/uploaded_files/userfiles/files/earn-free-robux-for-roblox_GM431946152.pdfIn PDF document text
- http://www.waelhamadehgallery.com/uploaded_files/userfiles/files/free-coins-coin-master-blog_GM406889139.pdfIn PDF document text
- http://www.waelhamadehgallery.com/uploaded_files/userfiles/files/roblox-promo-code-to-get-free-robux_GM431946152.pdfIn PDF document text
- http://www.waelhamadehgallery.com/uploaded_files/userfiles/files/freerobuxhack-us-2021_GM431946152.pdfIn PDF document text
- http://www.waelhamadehgallery.com/uploaded_files/userfiles/files/free-robux-cards_GM431946152.pdfIn PDF document text
- http://www.waelhamadehgallery.com/uploaded_files/userfiles/files/coin-master-hack-no-human-verification-2021_GM406889139.pdfIn PDF document text
- http://www.waelhamadehgallery.com/uploaded_files/userfiles/files/coin-master-mod-apk-latest-hack-with-unlimited-free-spins_GM406889139.pdfIn PDF document text
- http://www.waelhamadehgallery.com/uploaded_files/userfiles/files/como-ser-hacker-en-roblox-2021_GM431946152.pdfIn PDF document text
- http://www.waelhamadehgallery.com/uploaded_files/userfiles/files/daily-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
- http://www.waelhamadehgallery.com/uploaded_files/userfiles/files/free-robux-mobile_GM431946152.pdfIn PDF document text
- http://www.waelhamadehgallery.com/uploaded_files/userfiles/files/free-robux-instantly_GM431946152.pdfIn PDF document text
- http://www.waelhamadehgallery.com/uploaded_files/userfiles/files/free-spin-coin-master-2021-link_GM406889139.pdfIn PDF document text
- http://www.waelhamadehgallery.com/uploaded_files/userfiles/files/coin-master-free-spin-link-today-2021_GM406889139.pdfIn PDF document text
- http://www.waelhamadehgallery.com/uploaded_files/userfiles/files/free-robux-no-human-verification-not-clickbait_GM431946152.pdfIn PDF document text
- http://www.waelhamadehgallery.com/uploaded_files/userfiles/files/roblox-how-to-get-free-items-on-roblox-xdaniel_GM431946152.pdfIn PDF document text
- http://www.waelhamadehgallery.com/uploaded_files/userfiles/files/moonactive-coin-master-hack_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_off00003048.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x3048	22044 bytes
SHA-256: `a69c7039671b00dfbb3587d718dd066c0a3fed3f7520dc6ecf6d2d847cf91d24`
`font_01_sfnt_off000060ff.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x60FF	19008 bytes
SHA-256: `fe4611819195da77a7abf61896770f1af550d6f483bc9a51e0f34955cc66683a`

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