PDF malware analysis — malicious · 7dae4ec0e5a1244c

MALICIOUS

PDF

35.6 KB Created: 2021-07-04 10:30:16 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-24

MD5: 1017d26bf63ce1934693edfa8eb01542 SHA-1: 6474f2e10f0e636559e4eb98bb6db144e638ce99 SHA-256: 7dae4ec0e5a1244c79f0dd3f12867e694740d70d5569dc02eec1ad796fb05219

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/406889139/get-free-spins-on-coin-master-game-hack PDF link annotation
- http://www.b2bonline.ph/uploaded_files/userfiles/files/hack-roblox-using-command-prompt_GM431946152.pdfIn PDF document text
- http://www.b2bonline.ph/uploaded_files/userfiles/files/roblox-font-free-download_GM431946152.pdfIn PDF document text
- http://www.b2bonline.ph/uploaded_files/userfiles/files/how-to-get-free-robux-easy-hack_GM431946152.pdfIn PDF document text
- http://www.b2bonline.ph/uploaded_files/userfiles/files/hack-de-como-tener-robux-gratis_GM431946152.pdfIn PDF document text
- http://www.b2bonline.ph/uploaded_files/userfiles/files/how-to-get-free-robux-gift-cards_GM431946152.pdfIn PDF document text
- http://www.b2bonline.ph/uploaded_files/userfiles/files/coin-master-hack-to-get-free-spins_GM406889139.pdfIn PDF document text
- http://www.b2bonline.ph/uploaded_files/userfiles/files/boost9-com-roblox-hack_GM431946152.pdfIn PDF document text
- http://www.b2bonline.ph/uploaded_files/userfiles/files/pokemon-go-free-verizon-code_GM1094591345.pdfIn PDF document text
- http://www.b2bonline.ph/uploaded_files/userfiles/files/how-do-you-hack-minecraft_GM479516143.pdfIn PDF document text
- http://www.b2bonline.ph/uploaded_files/userfiles/files/coin-and-spin-link_GM406889139.pdfIn PDF document text
- http://www.b2bonline.ph/uploaded_files/userfiles/files/roblox-download-free-windows-10_GM431946152.pdfIn PDF document text
- http://www.b2bonline.ph/uploaded_files/userfiles/files/clean-master-coins-hack_GM406889139.pdfIn PDF document text
- http://www.b2bonline.ph/uploaded_files/userfiles/files/roblox-hacked-client-kill-people_GM431946152.pdfIn PDF document text
- http://www.b2bonline.ph/uploaded_files/userfiles/files/coin-master-free-spin-and-coins-links-home_GM406889139.pdfIn PDF document text
- http://www.b2bonline.ph/uploaded_files/userfiles/files/free-games-pastebin-roblox-apocalypse-rising-2_GM431946152.pdfIn PDF document text
- http://www.b2bonline.ph/uploaded_files/userfiles/files/robux-earning-websites_GM431946152.pdfIn PDF document text
- http://www.b2bonline.ph/uploaded_files/userfiles/files/free-roblox-avatar-items_GM431946152.pdfIn PDF document text
- http://www.b2bonline.ph/uploaded_files/userfiles/files/minecraft-free-download-mac_GM479516143.pdfIn PDF document text
- http://www.b2bonline.ph/uploaded_files/userfiles/files/free-robux-promo-codes-2021_GM431946152.pdfIn PDF document text
- http://www.b2bonline.ph/uploaded_files/userfiles/files/scaffold-minecraft-hack_GM479516143.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_off00003562.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x3562	23004 bytes
SHA-256: `a56e2e9e881636b701ff6f7f3caa562511a2b1fc361638fa49574bdafc53cc51`
`font_01_sfnt_off0000691e.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x691E	18176 bytes
SHA-256: `c16df4cb6866c2276686c5aaa4a0cb78e61d49506a44cfdb7663fe8f5aebf96b`

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