PDF malware analysis — malicious · 08217cd5ac6f8f30

MALICIOUS

PDF

35.3 KB Created: 2021-06-23 09:33:24 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-24

MD5: bc0842718a27d553523b90f8c06fcd65 SHA-1: 0f14c762da7dc7572e5ea74965a444b8c5dbb95c SHA-256: 08217cd5ac6f8f30a70f55cd687652be879f18b0efa9b04788ca82a710e73039

160 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document employs a lure related to game hacks and generators to entice users into clicking a link. The link redirects to malicious infrastructure, which in turn hosts further download links for other potentially malicious documents. The ML classifier strongly indicated maliciousness, and the embedded URL is flagged as a known malicious redirector.

Machine Learning

Nyx PDF Classifier malicious score 0.9980

Heuristics 4

PDF links to a 'free generator / game hack' redirector critical 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. CRITICAL on its own: the /app/<id>/<slug>-game-hack path shape is unambiguous scam infra, and the host rotates so a host-list match can't be relied on.
PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK

PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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
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.co/app/431946152/roblox-mineverse-hack-game-hack In PDF document text
- https://www.kabadixpress.com/uploaded_files/userfiles/files/rbx-roblox_GM431946152.pdfIn PDF document text
- https://www.kabadixpress.com/uploaded_files/userfiles/files/free-tiktok-followers-without-downloading-apps_GM835599320.pdfIn PDF document text
- https://www.kabadixpress.com/uploaded_files/userfiles/files/app-store-coin-master-free-spins_GM406889139.pdfIn PDF document text
- https://www.kabadixpress.com/uploaded_files/userfiles/files/coin-master-free-spin-link-twitter_GM406889139.pdfIn PDF document text
- https://www.kabadixpress.com/uploaded_files/userfiles/files/coin-master-free-spins-link-today-facebook_GM406889139.pdfIn PDF document text
- https://www.kabadixpress.com/uploaded_files/userfiles/files/free-robux-place_GM431946152.pdfIn PDF document text
- https://www.kabadixpress.com/uploaded_files/userfiles/files/coin-coin-master-hack_GM406889139.pdfIn PDF document text
- https://www.kabadixpress.com/uploaded_files/userfiles/files/coin-master-village-4_GM406889139.pdfIn PDF document text
- https://www.kabadixpress.com/uploaded_files/userfiles/files/free-spins-for-coin-master-app_GM406889139.pdfIn PDF document text
- https://www.kabadixpress.com/uploaded_files/userfiles/files/free-minecraft-addons_GM479516143.pdfIn PDF document text
- https://www.kabadixpress.com/uploaded_files/userfiles/files/rbx-claim_GM431946152.pdfIn PDF document text
- https://www.kabadixpress.com/uploaded_files/userfiles/files/earn-free-roblox_GM431946152.pdfIn PDF document text
- https://www.kabadixpress.com/uploaded_files/userfiles/files/coin-master-free-100-spin-link_GM406889139.pdfIn PDF document text
- https://www.kabadixpress.com/uploaded_files/userfiles/files/design-it-roblox-hack_GM431946152.pdfIn PDF document text
- https://www.kabadixpress.com/uploaded_files/userfiles/files/coin-master-haktuts_GM406889139.pdfIn PDF document text
- https://www.kabadixpress.com/uploaded_files/userfiles/files/pokemon-go-free-team-change_GM1094591345.pdfIn PDF document text
- https://www.kabadixpress.com/uploaded_files/userfiles/files/oginject-co_GM406889139.pdfIn PDF document text
- https://www.kabadixpress.com/uploaded_files/userfiles/files/free-minecraft-java-edition-account_GM479516143.pdfIn PDF document text
- https://www.kabadixpress.com/uploaded_files/userfiles/files/how-to-get-robux-for-free-2021_GM431946152.pdfIn PDF document text
- https://www.kabadixpress.com/uploaded_files/userfiles/files/unjailbreak-download-roblox-hack_GM431946152.pdfIn PDF document text
- https://www.roblox.com/my/tasksIn 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_off000032d0.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x32D0	22532 bytes
SHA-256: `398bd069e17530aec5088ce98112ebc47e93f448d4866698be591e70b31d0e0f`
`font_01_sfnt_off000064f9.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x64F9	19084 bytes
SHA-256: `52c76ce9de160e3bb7c15fc0b15cdebb8ac29eb5e706e26aa5bd242ad8c35bb3`

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