PDF malware analysis — malicious · d3dd59fc247a2c15

MALICIOUS

PDF

42.4 KB Created: 2021-05-14 09:00:50 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: bcea6d8ff9d4480c7ec81a29295b8cc8 SHA-1: a2e19465ecabe39401b4490e0fb0329ecc9d17a9 SHA-256: d3dd59fc247a2c15ac8d841e1ee19e6171fab78553d7b21d74ba32951e9fc81c

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document contains a large number of external links, many of which point to other PDF files, indicating a link farm likely used for SEO spam or to distribute malicious content. The primary URL suggests a lure related to hacking game accounts. The ML classifier also flagged this PDF as malicious with high confidence.

Machine Learning

Nyx PDF Classifier malicious score 0.9971

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/431946152/how-to-hack-roblox-accounts-game-hack
- http://www.alpaca-buitensport.nl/images/free-coin-master-spins-and-coins_GM406889139.pdf
- http://www.alpaca-buitensport.nl/images/robux-offers_GM431946152.pdf
- http://www.alpaca-buitensport.nl/images/free-coin-master-spins-blog_GM406889139.pdf
- http://www.alpaca-buitensport.nl/images/free-robux-games-on-roblox_GM431946152.pdf
- http://www.alpaca-buitensport.nl/images/easy-robux-today-com_GM431946152.pdf
- http://www.alpaca-buitensport.nl/images/minecraft-hacked-client_GM479516143.pdf
- http://www.alpaca-buitensport.nl/images/coin-master-hack-apk-download-2021_GM406889139.pdf
- http://www.alpaca-buitensport.nl/images/how-to-get-free-spins-on-coin-master-hack_GM406889139.pdf
- http://www.alpaca-buitensport.nl/images/free-coin-master-spins-2021_GM406889139.pdf
- http://www.alpaca-buitensport.nl/images/free-spins-and-coins-for-coin-master_GM406889139.pdf
- http://www.alpaca-buitensport.nl/images/coin-master-free-spin-realme-products_GM406889139.pdf
- http://www.alpaca-buitensport.nl/images/hack-coin-master-game_GM406889139.pdf
- http://www.alpaca-buitensport.nl/images/i-need-more-free-spins-on-coin-master_GM406889139.pdf
- http://www.alpaca-buitensport.nl/images/totally-free-coin-master-spins-2021_GM406889139.pdf
- http://www.alpaca-buitensport.nl/images/roblox-trolling_GM431946152.pdf
- http://www.alpaca-buitensport.nl/images/coin-master-daily-free-spins-and-coins_GM406889139.pdf
- http://www.alpaca-buitensport.nl/images/coin-master-free-spin-link-list_GM406889139.pdf
- http://www.alpaca-buitensport.nl/images/free-daily-spin-coin-master-game_GM406889139.pdf
- http://www.alpaca-buitensport.nl/images/free-robux-com-no-verification_GM431946152.pdf
- http://www.alpaca-buitensport.nl/images/minecraft-free-download-android-apk-014-0_GM479516143.pdf
- http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_003_off00004962.bin` `cd57d3b0cbbc44239c7eeeb89fe0d60c39499c915045b0e5c5a14fea734c1400`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4962	24644 bytes
`font_01_sfnt_off00008252.bin` `7bfa318362f39458d7d6cfaed4b7fb6212c616d22e88bbb7e9e73b07c323fe95`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8252	18588 bytes

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