PDF malware analysis — malicious · 91ce820953bc533e

MALICIOUS

PDF

46.2 KB Created: 2021-05-19 23:34:53 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: ea8b595d9edd1e12f604e0fec682a32b SHA-1: b43a04c340fb07a0630ea1c46358829610cb672d SHA-256: 91ce820953bc533e16b6d6cafc92d83fe09da46fef80055d84734509f88c9937

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

This PDF file was flagged by a machine learning classifier as malicious and contains numerous external links, many of which are SEO-optimized and point to other PDF documents. The document body, though heavily obfuscated, contains a URL related to 'pokemon-go-free-play-online-without-downloading-game-hack', suggesting a lure for potentially unwanted or malicious software. The presence of a 'download button' heuristic further supports the malicious intent.

Machine Learning

Nyx PDF Classifier malicious score 0.9432

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.xyz/app/1094591345/pokemon-go-free-play-online-without-downloading-game-hack
- https://kultura.orb.ru/uploads/ckfinder/userfiles/files/roblox-promo-codes-for-free-robux_GM431946152.pdf
- https://kultura.orb.ru/uploads/ckfinder/userfiles/files/coin-master-hackcom-xyz_GM406889139.pdf
- https://kultura.orb.ru/uploads/ckfinder/userfiles/files/coin-master-free-spins-and-coins-hack_GM406889139.pdf
- https://kultura.orb.ru/uploads/ckfinder/userfiles/files/game-give-free-robux_GM431946152.pdf
- https://kultura.orb.ru/uploads/ckfinder/userfiles/files/coin-master-real-free-spins_GM406889139.pdf
- https://kultura.orb.ru/uploads/ckfinder/userfiles/files/dailyrobux_GM431946152.pdf
- https://kultura.orb.ru/uploads/ckfinder/userfiles/files/coin-master-hack-2021-free_GM406889139.pdf
- https://kultura.orb.ru/uploads/ckfinder/userfiles/files/how-to-install-minecraft-for-free-on-ios_GM479516143.pdf
- https://kultura.orb.ru/uploads/ckfinder/userfiles/files/minecraft-bedrock-server-hosting-free_GM479516143.pdf
- https://kultura.orb.ru/uploads/ckfinder/userfiles/files/how-do-you-get-free-robux-on-roblox_GM431946152.pdf
- https://kultura.orb.ru/uploads/ckfinder/userfiles/files/free-robux-with-no-verification_GM431946152.pdf
- https://kultura.orb.ru/uploads/ckfinder/userfiles/files/master-free-spin-and-coin-links-html-m-1_GM406889139.pdf
- https://kultura.orb.ru/uploads/ckfinder/userfiles/files/coin-master-level-3_GM406889139.pdf
- https://kultura.orb.ru/uploads/ckfinder/userfiles/files/free-spin-gratis-coin-master_GM406889139.pdf
- https://kultura.orb.ru/uploads/ckfinder/userfiles/files/coin-master-daily-free-spins-blogspot_GM406889139.pdf
- https://kultura.orb.ru/uploads/ckfinder/userfiles/files/coin-master-free-coins-and-spins-link_GM406889139.pdf
- https://kultura.orb.ru/uploads/ckfinder/userfiles/files/coin-master-free-spins-link-october-2021_GM406889139.pdf
- https://kultura.orb.ru/uploads/ckfinder/userfiles/files/body-roblox_GM431946152.pdf
- https://kultura.orb.ru/uploads/ckfinder/userfiles/files/how-many-levels-does-coin-master-have_GM406889139.pdf
- https://kultura.orb.ru/uploads/ckfinder/userfiles/files/pubg-uc-rate-in-india_GM1330123889.pdf
- http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_003_off00004ada.bin` `48393150758d7a9031f49f7db0f5641a609659221209ebe3f3c4390032dae2dd`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4ADA	24056 bytes
`font_01_sfnt_off0000816e.bin` `97acb3dfe99d8aca5d6f8db8393b488ed98b2263432579da10c481344d87daf1`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x816E	3436 bytes
`font_02_sfnt_off00008d85.bin` `ba8c2efbd4fe729e68661c8ab1a99ca76bd76d5f97c2cf1fd89f6f2b5c1d7664`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8D85	19848 bytes

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