PDF malware analysis — malicious · 265cad7517afc490

MALICIOUS

PDF

34.0 KB Created: 2021-07-04 13:08:32 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-01

MD5: aa222ddbed1ae6d10c7741815e9cf985 SHA-1: 8155c11781437a0b8e835234edad8e0c94e5a3c0 SHA-256: 265cad7517afc4903223327cfda9ed60d11cece4820dde2db491064ceaf67753

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/431946152/www-roblox-com-free-robux-game-hack PDF link annotation
- http://vermaagri.com/uploaded_files/userfiles/files/roblox-hack-giant-hand_GM431946152.pdfIn PDF document text
- http://www.vermaagri.com/uploaded_files/userfiles/files/i-want-free-robux_GM431946152.pdfIn PDF document text
- http://www.vermaagri.com/uploaded_files/userfiles/files/coin-master-hack-without-verification_GM406889139.pdfIn PDF document text
- http://vermaagri.com/uploaded_files/userfiles/files/coin-master-free-spins-hack-but-no-surveys_GM406889139.pdfIn PDF document text
- http://vermaagri.com/uploaded_files/userfiles/files/coin-master-free-spins-and-coins-daily_GM406889139.pdfIn PDF document text
- http://www.vermaagri.com/uploaded_files/userfiles/files/minecraft-for-ps3-free_GM479516143.pdfIn PDF document text
- http://www.vermaagri.com/uploaded_files/userfiles/files/daily-free-spins_GM406889139.pdfIn PDF document text
- http://vermaagri.com/uploaded_files/userfiles/files/coin-master-pro-hack_GM406889139.pdfIn PDF document text
- http://vermaagri.com/uploaded_files/userfiles/files/best-free-robux-websites_GM431946152.pdfIn PDF document text
- http://www.vermaagri.com/uploaded_files/userfiles/files/roblox-jailbreak-hack-download_GM431946152.pdfIn PDF document text
- http://vermaagri.com/uploaded_files/userfiles/files/coin-master-daily-free-spins-link-2021-today_GM406889139.pdfIn PDF document text
- http://www.vermaagri.com/uploaded_files/userfiles/files/free-pet-treats-coin-master_GM406889139.pdfIn PDF document text
- http://www.vermaagri.com/uploaded_files/userfiles/files/free-robux-without-human-verification_GM431946152.pdfIn PDF document text
- http://www.vermaagri.com/uploaded_files/userfiles/files/how-to-o-get-free-coin-master-spins_GM406889139.pdfIn PDF document text
- http://www.vermaagri.com/uploaded_files/userfiles/files/free-roblox-intros_GM431946152.pdfIn PDF document text
- http://vermaagri.com/uploaded_files/userfiles/files/robux-hack-lazyassgamer_GM431946152.pdfIn PDF document text
- http://vermaagri.com/uploaded_files/userfiles/files/coin-master-free-spins-link-download_GM406889139.pdfIn PDF document text
- http://www.vermaagri.com/uploaded_files/userfiles/files/robux-party-com-four-robux-free_GM431946152.pdfIn PDF document text
- http://vermaagri.com/uploaded_files/userfiles/files/roblox-com-games-referrer-roblox-player_GM431946152.pdfIn PDF document text
- http://vermaagri.com/uploaded_files/userfiles/files/robux-free-co_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_off00002e27.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2E27	22020 bytes
SHA-256: `27949516cbbd2dc23a38c18ed389cb1493876d93ad9976afb90e60417738a227`
`font_01_sfnt_off00005ea5.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5EA5	19412 bytes
SHA-256: `9f2d18035413ba33397c677b2581e7e69ab306c490ad5b1efc57e4a607bb5205`

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