PDF malware analysis — malicious · 4f716a838d61ba30

MALICIOUS

PDF

36.0 KB Created: 2021-06-28 06:01:10 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-15

MD5: e811bdcfe8e1750a88250c473b7d0da8 SHA-1: 3c4dbd823df2531d4bf9f219a7ea9878a8087957 SHA-256: 4f716a838d61ba307ef5771d0f5fe24b712bcf831c9a1cd7fb9454acaaddaf17

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

This PDF document contains a large number of external links, many of which are related to game hacking and cheats, indicating a link farm or phishing attempt. The ML classifier strongly flagged this PDF as malicious. The presence of a 'download button' heuristic further suggests a malicious workflow designed to trick users into downloading potentially harmful content.

Machine Learning

Nyx PDF Classifier malicious score 0.9980

Heuristics 4

Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM

Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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/how-to-be-a-hacker-on-roblox-2021-game-hack PDF link annotation
- http://www.raneenmed.com/uploaded_files/userfiles/files/free-robux-that-actually-works_GM431946152.pdfIn PDF document text
- http://www.raneenmed.com/uploaded_files/userfiles/files/free-spins-and-coins-on-coin-master_GM406889139.pdfIn PDF document text
- http://www.raneenmed.com/uploaded_files/userfiles/files/how-do-you-hack-minecraft_GM479516143.pdfIn PDF document text
- http://www.raneenmed.com/uploaded_files/userfiles/files/free-robux-generator-no-surveys-2021_GM431946152.pdfIn PDF document text
- http://www.raneenmed.com/uploaded_files/userfiles/files/coin-master-game-free-download_GM406889139.pdfIn PDF document text
- http://www.raneenmed.com/uploaded_files/userfiles/files/free-daily-spin-coin-master-game_GM406889139.pdfIn PDF document text
- http://www.raneenmed.com/uploaded_files/userfiles/files/free-robux-no-survey-or-email_GM431946152.pdfIn PDF document text
- http://www.raneenmed.com/uploaded_files/userfiles/files/free-robux-generator-codes_GM431946152.pdfIn PDF document text
- http://www.raneenmed.com/uploaded_files/userfiles/files/coin-master-hack-spin-generator_GM406889139.pdfIn PDF document text
- http://www.raneenmed.com/uploaded_files/userfiles/files/coin-master-hack-tool-v1-9-pc_GM406889139.pdfIn PDF document text
- http://www.raneenmed.com/uploaded_files/userfiles/files/hackear-coin-master-sin-root_GM406889139.pdfIn PDF document text
- http://www.raneenmed.com/uploaded_files/userfiles/files/how-to-get-free-robux-without-verification_GM431946152.pdfIn PDF document text
- http://www.raneenmed.com/uploaded_files/userfiles/files/free-robux-hacks-no-verification_GM431946152.pdfIn PDF document text
- http://www.raneenmed.com/uploaded_files/userfiles/files/downlode-a-roblox-hack-tool_GM431946152.pdfIn PDF document text
- http://www.raneenmed.com/uploaded_files/userfiles/files/how-to-hack-roblox-dragon-ball-rage_GM431946152.pdfIn PDF document text
- http://www.raneenmed.com/uploaded_files/userfiles/files/guess-that-song-game-roblox-cheats_GM431946152.pdfIn PDF document text
- http://www.raneenmed.com/uploaded_files/userfiles/files/is-tiktok-free-on-apple-store_GM835599320.pdfIn PDF document text
- http://www.raneenmed.com/uploaded_files/userfiles/files/roblox-skywars-wins-hack_GM431946152.pdfIn PDF document text
- http://www.raneenmed.com/uploaded_files/userfiles/files/wahoo-gaming-co-free-robux_GM431946152.pdfIn PDF document text
- http://www.raneenmed.com/uploaded_files/userfiles/files/coin-master-daily-free-spins-link_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_off000035d1.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x35D1	22156 bytes
SHA-256: `5dd41cb2b75dfeb7cf3d9b7b7c80601babd8539c69804bff0010c1df850e31c4`
`font_01_sfnt_off00006715.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6715	19224 bytes
SHA-256: `e5c5ca5c1d5eb22f5049760bf42911798161e66ef1eccf3aec0b5912504c97c1`

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