PDF malware analysis — malicious · 7880c7df18460432

MALICIOUS

PDF

34.4 KB Created: 2021-07-01 19:28:22 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-24

MD5: 0b01ddb428235250fccfa241be1c99a4 SHA-1: 09306a18ba628e2f8ffafe13fc4b9279866c09d0 SHA-256: 7880c7df184604324e4ae75feb9f9be88a68ad86d872de5c72852cfe042a8e52

160 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document contains multiple links designed to lure users into clicking on them by promising free game currency or hacks. The primary link redirects to known malicious infrastructure, indicating a phishing or scam attempt. The document's content and embedded URLs strongly suggest a social engineering tactic to drive traffic to potentially harmful sites.

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-roblox-game-plays-game-hack In PDF document text
- http://www.med-aid.vn/ckfinder/userfiles/files/how-to-hack-roblox-grand-blox-auto_GM431946152.pdfIn PDF document text
- http://www.med-aid.vn/ckfinder/userfiles/files/roblox-robux-hack-2021-pc_GM431946152.pdfIn PDF document text
- http://www.med-aid.vn/ckfinder/userfiles/files/tiktok-viewer-free_GM835599320.pdfIn PDF document text
- http://www.med-aid.vn/ckfinder/userfiles/files/csgo-roblox-hack-script-pastebin-2021_GM431946152.pdfIn PDF document text
- http://www.med-aid.vn/ckfinder/userfiles/files/how-to-get-2021-robux-for-free_GM431946152.pdfIn PDF document text
- http://www.med-aid.vn/ckfinder/userfiles/files/free-100-robux_GM431946152.pdfIn PDF document text
- http://www.med-aid.vn/ckfinder/userfiles/files/minecraft-alt-accounts-free_GM479516143.pdfIn PDF document text
- http://www.med-aid.vn/ckfinder/userfiles/files/get-free-robux-info_GM431946152.pdfIn PDF document text
- http://www.med-aid.vn/ckfinder/userfiles/files/free-minecraft-worlds_GM479516143.pdfIn PDF document text
- http://www.med-aid.vn/ckfinder/userfiles/files/may-11-free-robux_GM431946152.pdfIn PDF document text
- http://www.med-aid.vn/ckfinder/userfiles/files/get-me-robux-for-free_GM431946152.pdfIn PDF document text
- http://www.med-aid.vn/ckfinder/userfiles/files/image-free-t-shirt-roblox_GM431946152.pdfIn PDF document text
- http://www.med-aid.vn/ckfinder/userfiles/files/hack-pia-para-roblox_GM431946152.pdfIn PDF document text
- http://www.med-aid.vn/ckfinder/userfiles/files/how-to-hack-to-get-robux_GM431946152.pdfIn PDF document text
- http://www.med-aid.vn/ckfinder/userfiles/files/minecraft-java-edition-download-free_GM479516143.pdfIn PDF document text
- http://www.med-aid.vn/ckfinder/userfiles/files/get-free-spins-on-coin-master-links_GM406889139.pdfIn PDF document text
- http://www.med-aid.vn/ckfinder/userfiles/files/coin-master-free-spin-link-today-16-11-2021_GM406889139.pdfIn PDF document text
- http://www.med-aid.vn/ckfinder/userfiles/files/roblox-hack-me_GM431946152.pdfIn PDF document text
- http://www.med-aid.vn/ckfinder/userfiles/files/free-robux-on-ipad_GM431946152.pdfIn PDF document text
- http://www.med-aid.vn/ckfinder/userfiles/files/free-chest-coin-master_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_off00002d41.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2D41	22768 bytes
SHA-256: `fd8dea59132f1c1dae5d8a430d704582abbc76a840e5b1852ddbcdca0120b713`
`font_01_sfnt_off0000606c.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x606C	19348 bytes
SHA-256: `1fc32cfeb7b696ddf7ff3c071d7aadb1ff6638e0926dd24ef44e99eab94cf754`

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