PDF malware analysis — malicious · 7d3530e5a044330b

MALICIOUS

PDF

42.5 KB Created: 2021-05-13 04:07:44 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-13

MD5: edefb27d45909ec947581c5420cf289b SHA-1: ee952b3bdc6f97f4e34607d1a947c2ca714a4289 SHA-256: 7d3530e5a044330b36f4e64a8e50f5afe936bf5403f447664b1d67dc7736ed47

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document contains numerous links to external websites, many of which are structured as SEO-optimized PDF links for game hacks and cheats. The primary URL, https://netcdn.xyz/app/406889139/coin-master-hack-tool-apk-download-game-hack, suggests a malicious intent to trick users into downloading potentially harmful files. The presence of a ML classifier flagging the PDF as malicious further supports this assessment.

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/406889139/coin-master-hack-tool-apk-download-game-hack PDF link annotation
- http://neltalen.nl/images/coin-master-gold-cards-free_GM406889139.pdfIn PDF document text
- http://neltalen.nl/images/how-to-hack-coin-master-spin_GM406889139.pdfIn PDF document text
- http://neltalen.nl/images/free-robux-no-human-verification-or-survey_GM431946152.pdfIn PDF document text
- http://neltalen.nl/images/minecraft-wurst-hacked-client_GM479516143.pdfIn PDF document text
- http://neltalen.nl/images/coin-master-free-spin-facebook-link_GM406889139.pdfIn PDF document text
- http://neltalen.nl/images/free-robux-thumbnail_GM431946152.pdfIn PDF document text
- http://neltalen.nl/images/free-spin-link-coin-master-today_GM406889139.pdfIn PDF document text
- http://neltalen.nl/images/minecraft-gun-mod-download-free_GM479516143.pdfIn PDF document text
- http://neltalen.nl/images/free-account-roblox-with-robux_GM431946152.pdfIn PDF document text
- http://neltalen.nl/images/roblox-avatar-girl_GM431946152.pdfIn PDF document text
- http://neltalen.nl/images/how-to-buy-robux-for-free_GM431946152.pdfIn PDF document text
- http://neltalen.nl/images/coin-master-hacks-for-free-spins_GM406889139.pdfIn PDF document text
- http://neltalen.nl/images/village-coin_GM406889139.pdfIn PDF document text
- http://neltalen.nl/images/websites-that-give-free-robux_GM431946152.pdfIn PDF document text
- http://neltalen.nl/images/free-roblox-templates_GM431946152.pdfIn PDF document text
- http://neltalen.nl/images/coin-master-hack-2021_GM406889139.pdfIn PDF document text
- http://neltalen.nl/images/free-coin-master-spins-blogger_GM406889139.pdfIn PDF document text
- http://neltalen.nl/images/robux-free-online_GM431946152.pdfIn PDF document text
- http://neltalen.nl/images/free-robux-com-no-verification_GM431946152.pdfIn PDF document text
- http://neltalen.nl/images/haktuts-coin-master-free-daily-spins_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_003_off00004a4c.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4A4C	25448 bytes
SHA-256: `4d6afeac442181008a994e92dcddac8808ba2fee2a841dbd39b34694fef285e0`
`font_01_sfnt_off0000830d.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x830D	18472 bytes
SHA-256: `ab3dfcf4bb97e5e0fbede254535527088a6d4b49c17ed7a7055a18d15f385141`

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