PDF malware analysis — malicious · 506af03556c883c9

MALICIOUS

PDF

34.9 KB Created: 2021-06-28 08:52:17 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-24

MD5: baa81516142b8607f394921315b7d27d SHA-1: c7a1cd33d3a0442f1ed7b9d342402646363a2706 SHA-256: 506af03556c883c9f2942f2037571bea8990115c06db20cb032abb997897bbdb

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/games-that-give-out-free-robux-game-hack PDF link annotation
- https://www.maximabm.com/uploaded_files/userfiles/files/roblox-free-exploits_GM431946152.pdfIn PDF document text
- https://www.maximabm.com/uploaded_files/userfiles/files/xonnek-roblox-jailbreak-hacks_GM431946152.pdfIn PDF document text
- https://maximabm.com/uploaded_files/userfiles/files/coin-master-hack-mod-apk-2021-download_GM406889139.pdfIn PDF document text
- https://www.maximabm.com/uploaded_files/userfiles/files/coin-master-hack-version-download-2021-ios_GM406889139.pdfIn PDF document text
- https://www.maximabm.com/uploaded_files/userfiles/files/how-to-get-free-robux-easy-hack_GM431946152.pdfIn PDF document text
- https://maximabm.com/uploaded_files/userfiles/files/roblox-free-robux-online_GM431946152.pdfIn PDF document text
- https://www.maximabm.com/uploaded_files/userfiles/files/free-robux-generator-com-roblox-hack_GM431946152.pdfIn PDF document text
- https://maximabm.com/uploaded_files/userfiles/files/coin-master-game-free-download-for-pc_GM406889139.pdfIn PDF document text
- https://www.maximabm.com/uploaded_files/userfiles/files/minecraft-mod-menu-apk_GM479516143.pdfIn PDF document text
- https://www.maximabm.com/uploaded_files/userfiles/files/free-roblox-accounts-with-robux-and-obc-2021_GM431946152.pdfIn PDF document text
- https://www.maximabm.com/uploaded_files/userfiles/files/hack-coin-master-32-mod-apk_GM406889139.pdfIn PDF document text
- https://maximabm.com/uploaded_files/userfiles/files/1m-on-roblox-hack_GM431946152.pdfIn PDF document text
- https://www.maximabm.com/uploaded_files/userfiles/files/free-minecraft-java-server_GM479516143.pdfIn PDF document text
- https://maximabm.com/uploaded_files/userfiles/files/coinmaster-com_GM406889139.pdfIn PDF document text
- https://www.maximabm.com/uploaded_files/userfiles/files/roblox-love-free-robux_GM431946152.pdfIn PDF document text
- https://www.maximabm.com/uploaded_files/userfiles/files/google-coin-master-free-spins_GM406889139.pdfIn PDF document text
- https://maximabm.com/uploaded_files/userfiles/files/real-robux-codes_GM431946152.pdfIn PDF document text
- https://www.maximabm.com/uploaded_files/userfiles/files/roblox-free-neck-accessories_GM431946152.pdfIn PDF document text
- https://maximabm.com/uploaded_files/userfiles/files/free-roblox-clothes-girl_GM431946152.pdfIn PDF document text
- https://www.maximabm.com/uploaded_files/userfiles/files/best-free-roblox-outfits_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_off0000301e.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x301E	22544 bytes
SHA-256: `58d6a2b9c690c3da927bfcea6b8ee301b4ef10fce5176f8f9dd6617c799cd6f2`
`font_01_sfnt_off00006252.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6252	19480 bytes
SHA-256: `d9700c9e8d3e5d25a83812fd184c3a15f0eb917424830b3adfdbf8318e7e5229`

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