PDF malware analysis — malicious · b49362e7d7d0435a

MALICIOUS

PDF

45.6 KB Created: 2021-06-03 18:14:53 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: e177fee97e3ab512be6ba903b44c0591 SHA-1: 111e8eb76699b63da239f663ed2314d6246431dd SHA-256: b49362e7d7d0435ad4bcb2bc5086debf8abe2963c5bae0c6225d78a3e70871ae

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 0.9864

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.online/app/431946152/free-robux-clothes-game-hack PDF link annotation
- https://www.talakeel.com/uploaded_files/userfiles/files/coin-master-daily-free-spins-blog_GM406889139.pdfIn PDF document text
- https://www.talakeel.com/uploaded_files/userfiles/files/spin-links-for-coin-master_GM406889139.pdfIn PDF document text
- https://www.talakeel.com/uploaded_files/userfiles/files/100-free-spins-coin-master_GM406889139.pdfIn PDF document text
- https://www.talakeel.com/uploaded_files/userfiles/files/coin-master-hack-app_GM406889139.pdfIn PDF document text
- https://www.talakeel.com/uploaded_files/userfiles/files/coin-master-free-spin-facebook-link_GM406889139.pdfIn PDF document text
- https://www.talakeel.com/uploaded_files/userfiles/files/rbx-land-free-robux_GM431946152.pdfIn PDF document text
- https://www.talakeel.com/uploaded_files/userfiles/files/free-spins-link-in-coin-master-2021_GM406889139.pdfIn PDF document text
- https://www.talakeel.com/uploaded_files/userfiles/files/daily-free-spins-for-coin-master_GM406889139.pdfIn PDF document text
- https://www.talakeel.com/uploaded_files/userfiles/files/robux-com-roblox_GM431946152.pdfIn PDF document text
- https://www.talakeel.com/uploaded_files/userfiles/files/coin-master-hack-ios-app_GM406889139.pdfIn PDF document text
- https://www.talakeel.com/uploaded_files/userfiles/files/free-minecraft-account-and-password_GM479516143.pdfIn PDF document text
- https://www.talakeel.com/uploaded_files/userfiles/files/rblx-gg-free-robux_GM431946152.pdfIn PDF document text
- https://www.talakeel.com/uploaded_files/userfiles/files/free-robux-hacks-no-verification_GM431946152.pdfIn PDF document text
- https://www.talakeel.com/uploaded_files/userfiles/files/coin-master-daily-free-spins-link-today_GM406889139.pdfIn PDF document text
- https://www.talakeel.com/uploaded_files/userfiles/files/how-to-get-a-lot-of-robux_GM431946152.pdfIn PDF document text
- https://www.talakeel.com/uploaded_files/userfiles/files/how-to-get-roblox-premium-for-free-2021_GM431946152.pdfIn PDF document text
- https://www.talakeel.com/uploaded_files/userfiles/files/free-robux-now_GM431946152.pdfIn PDF document text
- https://www.talakeel.com/uploaded_files/userfiles/files/ro-ghoul-script_GM431946152.pdfIn PDF document text
- https://www.talakeel.com/uploaded_files/userfiles/files/google-how-do-you-get-free-robux_GM431946152.pdfIn PDF document text
- https://www.talakeel.com/uploaded_files/userfiles/files/coin-master-free-spin-and-coins-links-2021_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
`stream_004_off00005394.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x5394	26128 bytes
SHA-256: `92e60c05e3fe9b83a535b6e804b2439bb118950c39b11c95700c9857a936e54c`
`font_01_sfnt_off00008f93.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8F93	18360 bytes
SHA-256: `a1d18e52fe431c3fa184e800cbb116f4a676a51d8f231eb3c7a40e64f11ea3a2`

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