PDF malware analysis — malicious · 5f42cf6e20d7e06b

MALICIOUS

PDF

34.6 KB Created: 2021-07-04 08:25:50 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-01

MD5: 247e7aa8ebae9e0e8b17db93357e501d SHA-1: 63296018d642777c0bb960e175665f5e96ef52db SHA-256: 5f42cf6e20d7e06bdf2ef62a007d13e5e9343e680aa91f5632f14b6cd246d246

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.tw/app/406889139/coin-master-game-hack PDF link annotation
- http://www.mondecasa.com/Public/upload/editorfiles/roblox-adopt-me-money-hack_GM431946152.pdfIn PDF document text
- http://www.mondecasa.com/Public/upload/editorfiles/www-bandicam-com-free-robux_GM431946152.pdfIn PDF document text
- http://www.mondecasa.com/Public/upload/editorfiles/60-free-spins-coin-master_GM406889139.pdfIn PDF document text
- http://www.mondecasa.com/Public/upload/editorfiles/roblox-arsenal-hack-script-pastebin_GM431946152.pdfIn PDF document text
- http://www.mondecasa.com/Public/upload/editorfiles/coin-master-free-spins-and-coins_GM406889139.pdfIn PDF document text
- http://www.mondecasa.com/Public/upload/editorfiles/robuxlove-net-free-robux_GM431946152.pdfIn PDF document text
- http://www.mondecasa.com/Public/upload/editorfiles/infinity-roblox-hack_GM431946152.pdfIn PDF document text
- http://www.mondecasa.com/Public/upload/editorfiles/coin-master-free-spins-for-today_GM406889139.pdfIn PDF document text
- http://www.mondecasa.com/Public/upload/editorfiles/roblox-free-exploits-2021_GM431946152.pdfIn PDF document text
- http://www.mondecasa.com/Public/upload/editorfiles/coin-master-free-spins-link-today-instagram_GM406889139.pdfIn PDF document text
- http://www.mondecasa.com/Public/upload/editorfiles/they-hacked-my-roblox-account_GM431946152.pdfIn PDF document text
- http://www.mondecasa.com/Public/upload/editorfiles/roblox-jailbreak-how-to-get-free-lamborghini_GM431946152.pdfIn PDF document text
- http://www.mondecasa.com/Public/upload/editorfiles/minecraft-hacked-client_GM479516143.pdfIn PDF document text
- http://www.mondecasa.com/Public/upload/editorfiles/coin-master-hack-download-2021_GM406889139.pdfIn PDF document text
- http://www.mondecasa.com/Public/upload/editorfiles/make-roblox-free-robux_GM431946152.pdfIn PDF document text
- http://www.mondecasa.com/Public/upload/editorfiles/roblox-virus-free-hack-clients_GM431946152.pdfIn PDF document text
- http://www.mondecasa.com/Public/upload/editorfiles/how-many-free-spin-links-is-there-for-coin-master_GM406889139.pdfIn PDF document text
- http://www.mondecasa.com/Public/upload/editorfiles/free-clothes-for-roblox-2021_GM431946152.pdfIn PDF document text
- http://www.mondecasa.com/Public/upload/editorfiles/free-roblox-accounts-with-robux-that-work-2021_GM431946152.pdfIn PDF document text
- http://www.mondecasa.com/Public/upload/editorfiles/free-robux-without-verification-2021_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_off000031bf.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x31BF	23076 bytes
SHA-256: `048c8faa2b41e0fcc57366c73fb8b46048a6d1ebe1568bc1d4decb1b53eb973d`
`font_01_sfnt_off000065c8.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x65C8	17836 bytes
SHA-256: `84574f8323a35f53ec0be3b5c2b4531289117d356e64a8613214cbf4efbbad2d`

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