PDF malware analysis — malicious · 30833235a58664aa

MALICIOUS

PDF

35.3 KB Created: 2021-07-05 08:22:58 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27

MD5: 6967229f8fcd6c50ad5f725542a49616 SHA-1: 10971df990df92790f3580658ab503b21d39560b SHA-256: 30833235a58664aacd4090837b05d2be2413d4bd8144963760d1476b29a64cc1

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains numerous embedded URLs and a link farm, strongly suggesting a phishing or scam attempt. The document body and extracted URLs indicate a lure for game-related cheats and currency, likely leading to credential harvesting or malware download. The ML classifier also flagged this PDF as malicious with high confidence.

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.tw/app/406889139/coin-master-free-spins-usa-2021-game-hack PDF link annotation
- https://luckydealuae.com/uploaded_files/userfiles/files/roblox-username-and-pass-word-for-free-and-with-robux_GM431946152.pdfIn PDF document text
- https://luckydealuae.com/uploaded_files/userfiles/files/how-to-hack-someone-password-on-roblox_GM431946152.pdfIn PDF document text
- https://luckydealuae.com/uploaded_files/userfiles/files/coin-master-free-spin-and-coin-links_GM406889139.pdfIn PDF document text
- https://luckydealuae.com/uploaded_files/userfiles/files/how-to-get-free-robux-without-human-verification_GM431946152.pdfIn PDF document text
- https://luckydealuae.com/uploaded_files/userfiles/files/how-to-hack-a-roblox-user-account-password-2021_GM431946152.pdfIn PDF document text
- https://luckydealuae.com/uploaded_files/userfiles/files/roblox-apocalypse-rising-hack_GM431946152.pdfIn PDF document text
- https://luckydealuae.com/uploaded_files/userfiles/files/glitched-things-that-give-you-free-robux_GM431946152.pdfIn PDF document text
- https://luckydealuae.com/uploaded_files/userfiles/files/roblox-hacking-kako_GM431946152.pdfIn PDF document text
- https://luckydealuae.com/uploaded_files/userfiles/files/free-tiktok-fans-no-verification_GM835599320.pdfIn PDF document text
- https://luckydealuae.com/uploaded_files/userfiles/files/coinmaster-spin-ml_GM406889139.pdfIn PDF document text
- https://luckydealuae.com/uploaded_files/userfiles/files/coin-master-free-link-facebook_GM406889139.pdfIn PDF document text
- https://luckydealuae.com/uploaded_files/userfiles/files/descargar-roblox-hackeado-para-android_GM431946152.pdfIn PDF document text
- https://luckydealuae.com/uploaded_files/userfiles/files/free-minecraft-hacks_GM479516143.pdfIn PDF document text
- https://luckydealuae.com/uploaded_files/userfiles/files/vh2-roblox-hack_GM431946152.pdfIn PDF document text
- https://luckydealuae.com/uploaded_files/userfiles/files/best-free-games-like-roblox_GM431946152.pdfIn PDF document text
- https://luckydealuae.com/uploaded_files/userfiles/files/minecraft-free-trial_GM479516143.pdfIn PDF document text
- https://luckydealuae.com/uploaded_files/userfiles/files/focus-points-hack-roblox-dance-your-blox-off-amberry_GM431946152.pdfIn PDF document text
- https://luckydealuae.com/uploaded_files/userfiles/files/roblox-free-script-executor-2021_GM431946152.pdfIn PDF document text
- https://luckydealuae.com/uploaded_files/userfiles/files/roblox-online-hack-2021_GM431946152.pdfIn PDF document text
- https://luckydealuae.com/uploaded_files/userfiles/files/free-robux-games-in-roblox-100-real_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
`stream_002_off0000322e.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x322E	22892 bytes
SHA-256: `7af0eb5396a19251717d5c1c40383416b4ba41c494d0981b1a171a5c55da8a2b`
`font_01_sfnt_off000065a3.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x65A3	18764 bytes
SHA-256: `0888549f12c4c2b3480353857dbb9d3bf1f59ca6f0980f33e251b640016871eb`

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