PDF malware analysis — malicious · afa6c588b0bad3ec

MALICIOUS

PDF

33.8 KB Created: 2021-06-19 23:30:11 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: fd6878614f77101bc2c462ddbc624127 SHA-1: de9503e2feb05568e6663313a30244e253e0fa18 SHA-256: afa6c588b0bad3ec0a72811a9c8cdf9a894ea028ba26aa6e0d579d81f474fcad

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.co/app/431946152/roblox-hacker-pants-game-hack PDF link annotation
- https://sensorcamera-tw.com/upload/files/minecraft-server-hacks_GM479516143.pdfIn PDF document text
- https://sensorcamera-tw.com/upload/files/what-is-robux-in-roblox_GM431946152.pdfIn PDF document text
- https://sensorcamera-tw.com/upload/files/get-free-robux-no-human-verification_GM431946152.pdfIn PDF document text
- https://sensorcamera-tw.com/upload/files/alone-roblox-hacks_GM431946152.pdfIn PDF document text
- https://sensorcamera-tw.com/upload/files/roblox-free-robux-hack_GM431946152.pdfIn PDF document text
- https://sensorcamera-tw.com/upload/files/free-cash-script-ultimate-driving-roblox-pastebin_GM431946152.pdfIn PDF document text
- https://sensorcamera-tw.com/upload/files/is-windows-10-minecraft-free_GM479516143.pdfIn PDF document text
- https://sensorcamera-tw.com/upload/files/buy-robux-free_GM431946152.pdfIn PDF document text
- https://sensorcamera-tw.com/upload/files/blogspot-free-spins-coin-master_GM406889139.pdfIn PDF document text
- https://sensorcamera-tw.com/upload/files/coin-mster-free_GM406889139.pdfIn PDF document text
- https://sensorcamera-tw.com/upload/files/code-to-access-a-game-that-gives-90m-robux-free_GM431946152.pdfIn PDF document text
- https://sensorcamera-tw.com/upload/files/free-robux-scam_GM431946152.pdfIn PDF document text
- https://sensorcamera-tw.com/upload/files/roblox-free-robux-codes-pastebin_GM431946152.pdfIn PDF document text
- https://sensorcamera-tw.com/upload/files/free-robux-websites-no-human-verification_GM431946152.pdfIn PDF document text
- https://sensorcamera-tw.com/upload/files/free-games-like-coin-master_GM406889139.pdfIn PDF document text
- https://sensorcamera-tw.com/upload/files/coin-master-free-spins-links-2021_GM406889139.pdfIn PDF document text
- https://sensorcamera-tw.com/upload/files/roblox-skin-free_GM431946152.pdfIn PDF document text
- https://sensorcamera-tw.com/upload/files/roblox-avatar-free_GM431946152.pdfIn PDF document text
- https://sensorcamera-tw.com/upload/files/roblox-demon_GM431946152.pdfIn PDF document text
- https://sensorcamera-tw.com/upload/files/coin-master-free-spins-1-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_off00002f1c.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2F1C	21808 bytes
SHA-256: `58dbb63e2f275cfe77fc5a09a180b69f62a3d3d55caf27b5cf5f6cc8daa9352c`
`font_01_sfnt_off00005f2d.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5F2D	18916 bytes
SHA-256: `a4ec8cd279d7aa9fd5322379d9a34574055bf059581dc53f388a70d104e92105`

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