PDF malware analysis — malicious · 1ed44a90186faf39

MALICIOUS

PDF

35.2 KB Created: 2021-07-09 06:31:43 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: 9bb1181bad5d0cba3de243ba21a4647f SHA-1: 48a7cf8974134d3535ef7e5441b65cd94dbe0ad9 SHA-256: 1ed44a90186faf39587ef174a234d2fc57deb400dba021e985454af2a1767d3a

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/479516143/minecraft-pe-016-0-apk-download-free-game-hack PDF link annotation
- https://www.levanajewelryclub.com/uploaded_files/userfiles/files/pubg-uc-add_GM1330123889.pdfIn PDF document text
- https://www.levanajewelryclub.com/uploaded_files/userfiles/files/roblox-galaxy-shirt-free_GM431946152.pdfIn PDF document text
- https://www.levanajewelryclub.com/uploaded_files/userfiles/files/how-to-get-free-robux-on-roblox-august-2021_GM431946152.pdfIn PDF document text
- https://www.levanajewelryclub.com/uploaded_files/userfiles/files/coin-master-free-daily-spins-link_GM406889139.pdfIn PDF document text
- https://www.levanajewelryclub.com/uploaded_files/userfiles/files/how-to-make-a-roblox-group-for-free_GM431946152.pdfIn PDF document text
- https://www.levanajewelryclub.com/uploaded_files/userfiles/files/roblox-redeem-card-codes-free_GM431946152.pdfIn PDF document text
- https://www.levanajewelryclub.com/uploaded_files/userfiles/files/coin-master-free-cards-link_GM406889139.pdfIn PDF document text
- https://www.levanajewelryclub.com/uploaded_files/userfiles/files/how-to-earn-robux-for-free-2021_GM431946152.pdfIn PDF document text
- https://www.levanajewelryclub.com/uploaded_files/userfiles/files/pastebin-free-robux-2021_GM431946152.pdfIn PDF document text
- https://www.levanajewelryclub.com/uploaded_files/userfiles/files/can-you-give-me-free-robux_GM431946152.pdfIn PDF document text
- https://www.levanajewelryclub.com/uploaded_files/userfiles/files/minecraft-jar-free_GM479516143.pdfIn PDF document text
- https://www.levanajewelryclub.com/uploaded_files/userfiles/files/how-get-free-robux-2021_GM431946152.pdfIn PDF document text
- https://www.levanajewelryclub.com/uploaded_files/userfiles/files/free-backpacks-on-roblox_GM431946152.pdfIn PDF document text
- https://www.levanajewelryclub.com/uploaded_files/userfiles/files/roblox-free-robux-com_GM431946152.pdfIn PDF document text
- https://www.levanajewelryclub.com/uploaded_files/userfiles/files/bloxpage-free-robux_GM431946152.pdfIn PDF document text
- https://www.levanajewelryclub.com/uploaded_files/userfiles/files/free-roblox-glasses_GM431946152.pdfIn PDF document text
- https://www.levanajewelryclub.com/uploaded_files/userfiles/files/robux-hacks-no-serves_GM431946152.pdfIn PDF document text
- https://www.levanajewelryclub.com/uploaded_files/userfiles/files/free-roblox-hacks-no-download-2021-unpatched_GM431946152.pdfIn PDF document text
- https://www.levanajewelryclub.com/uploaded_files/userfiles/files/roblox-paino-hack_GM431946152.pdfIn PDF document text
- https://www.levanajewelryclub.com/uploaded_files/userfiles/files/youtube-how-to-get-free-robux-2021_GM431946152.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_off0000326c.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x326C	22120 bytes
SHA-256: `8745ca1c46c74cf7d4cd28387e16c951c4029fa66ee5b2fcab7b2059b51d321d`
`font_01_sfnt_off00006326.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6326	19524 bytes
SHA-256: `2c1b2724e9f8d24eaf424e37f542e22724de6abfb49ca65165bfe174736ddb84`

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