PDF malware analysis — malicious · 67635a387eb197bc

MALICIOUS

PDF

43.0 KB Created: 2021-05-14 08:49:32 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-24

MD5: 7a5fcbb4395d42ab42e353ea712d918c SHA-1: 9b5a339241c758c75c4f65eaaaaea5f43264b12c SHA-256: 67635a387eb197bca6b74c9671e8fc14eee1502258bde9b6025d4d117addcb0b

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 0.9971

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 https://netcdn.xyz/app/479516143/minecraft-pe-texture-packs-free-download-game-hack PDF link annotation
- https://www.kabadixpress.com/uploaded_files/userfiles/files/coin-master-hack-spins_GM406889139.pdfIn PDF document text
- https://www.kabadixpress.com/uploaded_files/userfiles/files/how-to-get-free-robux-on-computer_GM431946152.pdfIn PDF document text
- https://www.kabadixpress.com/uploaded_files/userfiles/files/free-diamonds-coin-master_GM406889139.pdfIn PDF document text
- https://www.kabadixpress.com/uploaded_files/userfiles/files/roblox-www-com_GM431946152.pdfIn PDF document text
- https://www.kabadixpress.com/uploaded_files/userfiles/files/hacks-minecraft_GM479516143.pdfIn PDF document text
- https://www.kabadixpress.com/uploaded_files/userfiles/files/minecraft-116-free-download_GM479516143.pdfIn PDF document text
- https://www.kabadixpress.com/uploaded_files/userfiles/files/free-robux-no-verify_GM431946152.pdfIn PDF document text
- https://www.kabadixpress.com/uploaded_files/userfiles/files/free-robux-codes-2021_GM431946152.pdfIn PDF document text
- https://www.kabadixpress.com/uploaded_files/userfiles/files/minecraft-free-play-no-download_GM479516143.pdfIn PDF document text
- https://www.kabadixpress.com/uploaded_files/userfiles/files/coin-master-daily-free-spins-link-today_GM406889139.pdfIn PDF document text
- https://www.kabadixpress.com/uploaded_files/userfiles/files/how-to-hack-someones-roblox-account_GM431946152.pdfIn PDF document text
- https://www.kabadixpress.com/uploaded_files/userfiles/files/cm-free-spins-and-coins_GM406889139.pdfIn PDF document text
- https://www.kabadixpress.com/uploaded_files/userfiles/files/roblox-gang_GM431946152.pdfIn PDF document text
- https://www.kabadixpress.com/uploaded_files/userfiles/files/how-do-you-get-free-roblox_GM431946152.pdfIn PDF document text
- https://www.kabadixpress.com/uploaded_files/userfiles/files/coin-master-free-gifts_GM406889139.pdfIn PDF document text
- https://www.kabadixpress.com/uploaded_files/userfiles/files/free-roblox-executor-no-key_GM431946152.pdfIn PDF document text
- https://www.kabadixpress.com/uploaded_files/userfiles/files/www-free-robux-com_GM431946152.pdfIn PDF document text
- https://www.kabadixpress.com/uploaded_files/userfiles/files/free-robux-com-roblox_GM431946152.pdfIn PDF document text
- https://www.kabadixpress.com/uploaded_files/userfiles/files/coin-master-hack-spins-and-coins-unlimited-free-download_GM406889139.pdfIn PDF document text
- https://www.kabadixpress.com/uploaded_files/userfiles/files/free-robux-codes-generator_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_003_off00004ba9.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4BA9	24892 bytes
SHA-256: `f5487dcc66a654c4a067636d3518d653fd14ef92d993304b8ce2aae8477f59f4`
`font_01_sfnt_off000083b9.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x83B9	18964 bytes
SHA-256: `1b5792c60b30e583584a054579e4e1bc8a5b61d7ac54d764bc66a902e5cfcfa0`

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