PDF malware analysis — malicious · 7187f80ce1ce75fe

MALICIOUS

PDF

36.3 KB Created: 2021-07-04 03:54:02 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: 74b75de76067c1dfea32fca327f9206b SHA-1: d166315f25c135e35754f2969dc26275b1fbdc45 SHA-256: 7187f80ce1ce75fe60e692dbe8ceb5b0622fab2c1d5acd0978351c043c86701f

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/claim-free-spins-coin-master-game-hack PDF link annotation
- https://www.wannon.tw/upload/files/how-to-hack-into-someones-roblox-account_GM431946152.pdfIn PDF document text
- https://www.wannon.tw/upload/files/free-promo-robux-code_GM431946152.pdfIn PDF document text
- https://www.wannon.tw/upload/files/orewards-com-free-robux_GM431946152.pdfIn PDF document text
- https://www.wannon.tw/upload/files/give-robux-for-free_GM431946152.pdfIn PDF document text
- https://www.wannon.tw/upload/files/coin-master-free-spins-link-2021_GM406889139.pdfIn PDF document text
- https://www.wannon.tw/upload/files/minecraft-for-laptop-free_GM479516143.pdfIn PDF document text
- https://www.wannon.tw/upload/files/roblox-earn_GM431946152.pdfIn PDF document text
- https://www.wannon.tw/upload/files/how-to-setup-a-minecraft-server-for-free_GM479516143.pdfIn PDF document text
- https://www.wannon.tw/upload/files/roblox-com-free-robux_GM431946152.pdfIn PDF document text
- https://www.wannon.tw/upload/files/free-robux-websites-that-work_GM431946152.pdfIn PDF document text
- https://www.wannon.tw/upload/files/coin-master-hack-without-verification-site-zyngaplayerforumscom_GM406889139.pdfIn PDF document text
- https://www.wannon.tw/upload/files/minecraft-free-download-chromebook_GM479516143.pdfIn PDF document text
- https://www.wannon.tw/upload/files/robux-generator-that-works_GM431946152.pdfIn PDF document text
- https://www.wannon.tw/upload/files/free-robux-no-anti-bot-verification_GM431946152.pdfIn PDF document text
- https://www.wannon.tw/upload/files/free-roblox-money-maker_GM431946152.pdfIn PDF document text
- https://www.wannon.tw/upload/files/minecraft-windows-10-code-free_GM479516143.pdfIn PDF document text
- https://www.wannon.tw/upload/files/tiktok-free-roblox-accounts-2021_GM835599320.pdfIn PDF document text
- https://www.wannon.tw/upload/files/roblox-redeem-robux_GM431946152.pdfIn PDF document text
- https://www.wannon.tw/upload/files/cheat-engine-roblox-for-robux_GM431946152.pdfIn PDF document text
- https://www.wannon.tw/upload/files/free-minecraft-com_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_off0000379b.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x379B	22904 bytes
SHA-256: `8c03bdf42e8a563bd448b9d00c888aa30888b7759076ee8635f0ee73c2ec82ec`
`font_01_sfnt_off00006af9.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6AF9	18508 bytes
SHA-256: `66edbbd631945b07c06d9fd06a14c74e41c138e401aa3f28fe2d50c5e2faa941`

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