PDF malware analysis — malicious · 03c33d055a348d84

MALICIOUS

PDF

45.2 KB Created: 2021-06-09 02:28:03 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27

MD5: b0dff02a415c55dcb95f79fe9fb6bd7d SHA-1: dfeed32776522b9509451f900deb22f83d89b41d SHA-256: 03c33d055a348d8490e0255e4ce5e4d5af7c6fa7c1bbe4fa57dec5365be38476

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains numerous embedded links, identified as a link farm, that direct users to external websites. These links are disguised as offers for free game currency or accounts, a common lure for phishing or malware distribution. The ML classifier strongly supports the malicious nature of this PDF.

Machine Learning

Nyx PDF Classifier malicious score 0.9864

Heuristics 4

Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM

Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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 https://netcdn.tw/app/431946152/free-roblox-accounts-september-2021-game-hack PDF link annotation
- https://www.waymedicalsupplies.com/uploaded_files/userfiles/files/cm-spin-link_GM406889139.pdfIn PDF document text
- https://www.waymedicalsupplies.com/uploaded_files/userfiles/files/roblox-games-with-free-radio_GM431946152.pdfIn PDF document text
- https://www.waymedicalsupplies.com/uploaded_files/userfiles/files/how-to-earn-free-robux_GM431946152.pdfIn PDF document text
- https://www.waymedicalsupplies.com/uploaded_files/userfiles/files/what-is-robux-in-roblox_GM431946152.pdfIn PDF document text
- https://www.waymedicalsupplies.com/uploaded_files/userfiles/files/coin-master-free-cards-link-2021_GM406889139.pdfIn PDF document text
- https://www.waymedicalsupplies.com/uploaded_files/userfiles/files/coin-master-hack-spins-and-coins-unlimited-free-download_GM406889139.pdfIn PDF document text
- https://www.waymedicalsupplies.com/uploaded_files/userfiles/files/coin-master-unlimited-free-spins_GM406889139.pdfIn PDF document text
- https://www.waymedicalsupplies.com/uploaded_files/userfiles/files/free-spins-on-coin-master_GM406889139.pdfIn PDF document text
- https://www.waymedicalsupplies.com/uploaded_files/userfiles/files/getrobux-info_GM431946152.pdfIn PDF document text
- https://www.waymedicalsupplies.com/uploaded_files/userfiles/files/25-free-spins-coin-master_GM406889139.pdfIn PDF document text
- https://www.waymedicalsupplies.com/uploaded_files/userfiles/files/coin-master-hack-app-link_GM406889139.pdfIn PDF document text
- https://www.waymedicalsupplies.com/uploaded_files/userfiles/files/optifine-minecraft-pe_GM479516143.pdfIn PDF document text
- https://www.waymedicalsupplies.com/uploaded_files/userfiles/files/free-robux-generator-no-human-verification_GM431946152.pdfIn PDF document text
- https://www.waymedicalsupplies.com/uploaded_files/userfiles/files/free-robux-app-real_GM431946152.pdfIn PDF document text
- https://www.waymedicalsupplies.com/uploaded_files/userfiles/files/coin-master-free-spin-and-coin-link-2021-today_GM406889139.pdfIn PDF document text
- https://www.waymedicalsupplies.com/uploaded_files/userfiles/files/free-star-codes-roblox_GM431946152.pdfIn PDF document text
- https://www.waymedicalsupplies.com/uploaded_files/userfiles/files/get-free-spins-in-coin-master_GM406889139.pdfIn PDF document text
- https://www.waymedicalsupplies.com/uploaded_files/userfiles/files/coin-master-400-spin-link_GM406889139.pdfIn PDF document text
- https://www.waymedicalsupplies.com/uploaded_files/userfiles/files/minecraft-pocket-apk_GM479516143.pdfIn PDF document text
- https://www.waymedicalsupplies.com/uploaded_files/userfiles/files/free-coin-master-gifts_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
`stream_004_off00005488.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x5488	24240 bytes
SHA-256: `2f045e7e5d9b8513ddc7abf75aa9bc0d99edd9eafed7cbe0bcf633f00663fd31`
`font_01_sfnt_off00008bcd.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8BCD	19032 bytes
SHA-256: `c5bcb8c04954e1fa940b4d5a6d57922cdb0247d6c1067ab10b2645ea6c33c205`

Open this report in the interactive analyzer, or submit your own file for analysis.