PDF malware analysis — malicious · e242cdd720054064

MALICIOUS

PDF

49.9 KB Created: 2021-06-08 15:04:41 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-13

MD5: 12148caa6d8248515a0392e29cd409e6 SHA-1: c863dcf7c1b149164ea40fd91edd784bb22d1084 SHA-256: e242cdd7200540645effa227d7d82e80a0ff73f24ed809d2ae8645b258ea215c

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

This PDF document was flagged by an ML classifier and contains a large number of external links, many of which point to other PDF files with SEO-optimized titles related to game cheats and hacks. The document body, though heavily obfuscated, contains references to game hacks and the authoring application, suggesting a lure to download further malicious content. The presence of numerous external links, including one to a Roblox hack, indicates a potential attempt to direct users to malicious sites or downloads.

Machine Learning

Nyx PDF Classifier malicious score 0.9796

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/roblox-nerf-fps-2021-hack-game-hack PDF link annotation
- http://shoruq.sch.ae/userfiles/files/pokemon-go-free-upgrade_GM1094591345.pdfIn PDF document text
- http://shoruq.sch.ae/userfiles/files/archery-master-3d-hack-unlimited-coins-cheats_GM406889139.pdfIn PDF document text
- http://shoruq.sch.ae/userfiles/files/coin-master-daily-free-spins-link_GM406889139.pdfIn PDF document text
- http://shoruq.sch.ae/userfiles/files/is-there-any-tricks-or-working-hacks-for-coin-master_GM406889139.pdfIn PDF document text
- http://shoruq.sch.ae/userfiles/files/how-do-i-get-free-spins-in-coin-master_GM406889139.pdfIn PDF document text
- http://shoruq.sch.ae/userfiles/files/village-coin_GM406889139.pdfIn PDF document text
- http://shoruq.sch.ae/userfiles/files/www-roblox-com-robux-free_GM431946152.pdfIn PDF document text
- http://shoruq.sch.ae/userfiles/files/free-coin-master-gifts_GM406889139.pdfIn PDF document text
- http://shoruq.sch.ae/userfiles/files/how-to-get-free-robux-by-playing-games_GM431946152.pdfIn PDF document text
- http://shoruq.sch.ae/userfiles/files/how-often-pokemon-go-free-download_GM1094591345.pdfIn PDF document text
- http://shoruq.sch.ae/userfiles/files/coin-master-free-spins-apple_GM406889139.pdfIn PDF document text
- http://shoruq.sch.ae/userfiles/files/download-minecraft-java-edition-free_GM479516143.pdfIn PDF document text
- http://shoruq.sch.ae/userfiles/files/how-to-get-free-spins-on-coin-master-2021_GM406889139.pdfIn PDF document text
- http://shoruq.sch.ae/userfiles/files/free-printable-minecraft-coloring-pages_GM479516143.pdfIn PDF document text
- http://shoruq.sch.ae/userfiles/files/coin-master-free-spins-app-for-iphone_GM406889139.pdfIn PDF document text
- http://shoruq.sch.ae/userfiles/files/level-coin_GM406889139.pdfIn PDF document text
- http://shoruq.sch.ae/userfiles/files/what-games-on-roblox-give-you-free-robux_GM431946152.pdfIn PDF document text
- http://shoruq.sch.ae/userfiles/files/coin-master-free-link-today_GM406889139.pdfIn PDF document text
- http://shoruq.sch.ae/userfiles/files/free-coins-coin-master-link_GM406889139.pdfIn PDF document text
- http://shoruq.sch.ae/userfiles/files/coin-master-spin-ml-link_GM406889139.pdfIn PDF document text
- http://wolfzscriptsIn PDF document text
- http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_004_off00005010.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x5010	29248 bytes
SHA-256: `f3eedc8d87c4743b516d1c1f649402e519fd4f35fbd043845e2103254fb4e166`
`font_01_sfnt_off000094de.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x94DE	2832 bytes
SHA-256: `77ae1c4cffa647a8fd533dfa4102e94364989f9e80b9cd131876e9d1005899a2`
`font_02_sfnt_off00009e8f.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9E8F	18924 bytes
SHA-256: `d080e45c795ffc53935f8413d619680033440e0624a65f059152708e8d1518aa`

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