PDF malware analysis — malicious · 08300ddd5dabd185

MALICIOUS

PDF

35.1 KB Created: 2021-06-30 05:25:09 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-26

MD5: 730509e0e9cec0b19c3807aae6cc61e7 SHA-1: ceba157b09e6776832cf8e0afe83f183c7a3defd SHA-256: 08300ddd5dabd185111658a9632da0e5da7cda0348caa9981071a7f03e8fb0d0

160 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded links and text referencing 'free shirts Roblox' and 'game hack', directly linking to the URL http://netcdn.co/app/431946152/get-free-shirts-roblox-game-hack. This URL is flagged as a known malicious redirector. The ML classifier also strongly indicated maliciousness. The document's purpose is to trick users into visiting this malicious link, likely to download further malware or engage in scams.

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/get-free-shirts-roblox-game-hack In PDF document text
- https://www.gotsolution.se/uploaded_files/userfiles/files/roblox-r2d-money-hack_GM431946152.pdfIn PDF document text
- https://www.gotsolution.se/uploaded_files/userfiles/files/daily-coin-master-link_GM406889139.pdfIn PDF document text
- https://www.gotsolution.se/uploaded_files/userfiles/files/how-to-hack-robux-2021_GM431946152.pdfIn PDF document text
- https://www.gotsolution.se/uploaded_files/userfiles/files/best-hacker-roblox-clothing_GM431946152.pdfIn PDF document text
- https://www.gotsolution.se/uploaded_files/userfiles/files/free-robux-team_GM431946152.pdfIn PDF document text
- https://www.gotsolution.se/uploaded_files/userfiles/files/hack-roblox-mad_GM431946152.pdfIn PDF document text
- https://www.gotsolution.se/uploaded_files/userfiles/files/roblox-hack-one-app-rewards_GM431946152.pdfIn PDF document text
- https://www.gotsolution.se/uploaded_files/userfiles/files/coin-master-hack-mod-apk-35-8_GM406889139.pdfIn PDF document text
- https://www.gotsolution.se/uploaded_files/userfiles/files/minecraft-hacks_GM479516143.pdfIn PDF document text
- https://www.gotsolution.se/uploaded_files/userfiles/files/microsoft-bing-robux_GM431946152.pdfIn PDF document text
- https://www.gotsolution.se/uploaded_files/userfiles/files/promo-codes-for-free-robux_GM431946152.pdfIn PDF document text
- https://www.gotsolution.se/uploaded_files/userfiles/files/free-coins-coin-master_GM406889139.pdfIn PDF document text
- https://www.gotsolution.se/uploaded_files/userfiles/files/free-robux-codes-2021-real_GM431946152.pdfIn PDF document text
- https://www.gotsolution.se/uploaded_files/userfiles/files/how-to-get-a-free-shirt-on-roblox-without-bc_GM431946152.pdfIn PDF document text
- https://www.gotsolution.se/uploaded_files/userfiles/files/roblox-breaking-point-hack-2021_GM431946152.pdfIn PDF document text
- https://www.gotsolution.se/uploaded_files/userfiles/files/how-to-get-free-robux-without-verifying-2021_GM431946152.pdfIn PDF document text
- https://www.gotsolution.se/uploaded_files/userfiles/files/cheat-engine-detected-by-roblox_GM431946152.pdfIn PDF document text
- https://www.gotsolution.se/uploaded_files/userfiles/files/free-robux-giveaway-live_GM431946152.pdfIn PDF document text
- https://www.gotsolution.se/uploaded_files/userfiles/files/roblox-skins-free-download-girl_GM431946152.pdfIn PDF document text
- https://www.gotsolution.se/uploaded_files/userfiles/files/coin-master-heaven-free-spins-today_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
`font_00_sfnt_off000031dd.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x31DD	22616 bytes
SHA-256: `73a1b715e921670d834aebf49e7e3ca9ed0072e40dc6bf8bf6abb853b39cbaa9`
`font_01_sfnt_off00006448.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6448	19040 bytes
SHA-256: `fb45928878a927cfe2fbfd833398a31b1b344068cbde0b3cb97b5cf172a5ba94`

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