PDF malware analysis — malicious · 2cc10582772cd948

MALICIOUS

PDF

44.4 KB Created: 2021-05-19 02:05:40 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27

MD5: 8196200ed9ae916ea7ce08311c518728 SHA-1: 50751c195501e2741bac6fcee2581cc009ca9fec SHA-256: 2cc10582772cd948538c13009df5e069f6d0bbdb930deabecd37599293515aff

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF contains numerous embedded links, many of which point to external websites related to game hacks and free items, suggesting a lure for users. The heuristic 'PDF_SEO_LINK_FARM' indicates a large number of external links, and the ML classifier strongly flagged this PDF as malicious. While no scripts were explicitly extracted, the presence of embedded URIs and the document's structure suggest it's designed to redirect users to potentially harmful content.

Machine Learning

Nyx PDF Classifier malicious score 0.9980

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-get-free-robux-gift-cards-game-hack PDF link annotation
- http://www.waelhamadehgallery.com/uploaded_files/userfiles/files/coin-master-daily-free-spins-and-coins_GM406889139.pdfIn PDF document text
- http://www.waelhamadehgallery.com/uploaded_files/userfiles/files/coin-master-tricks-and-hacks_GM406889139.pdfIn PDF document text
- http://www.waelhamadehgallery.com/uploaded_files/userfiles/files/best-free-roblox-executor_GM431946152.pdfIn PDF document text
- http://www.waelhamadehgallery.com/uploaded_files/userfiles/files/coin-master-daily-spin-link-app_GM406889139.pdfIn PDF document text
- http://www.waelhamadehgallery.com/uploaded_files/userfiles/files/windows-10-minecraft-hacks_GM479516143.pdfIn PDF document text
- http://www.waelhamadehgallery.com/uploaded_files/userfiles/files/games-that-can-be-hacked_GM431946152.pdfIn PDF document text
- http://www.waelhamadehgallery.com/uploaded_files/userfiles/files/june-29-coin-master-hack-no-human-verification_GM406889139.pdfIn PDF document text
- http://www.waelhamadehgallery.com/uploaded_files/userfiles/files/coin-master-cheats-and-hacks_GM406889139.pdfIn PDF document text
- http://www.waelhamadehgallery.com/uploaded_files/userfiles/files/25-free-spins-coin-master_GM406889139.pdfIn PDF document text
- http://www.waelhamadehgallery.com/uploaded_files/userfiles/files/tower-of-hell-roblox-hack_GM431946152.pdfIn PDF document text
- http://www.waelhamadehgallery.com/uploaded_files/userfiles/files/free-spins-coin-master-links-2021_GM406889139.pdfIn PDF document text
- http://www.waelhamadehgallery.com/uploaded_files/userfiles/files/coin-master-facebook-hack_GM406889139.pdfIn PDF document text
- http://www.waelhamadehgallery.com/uploaded_files/userfiles/files/coin-master-heaven-free-spins_GM406889139.pdfIn PDF document text
- http://www.waelhamadehgallery.com/uploaded_files/userfiles/files/free-coins-coin-master-blog_GM406889139.pdfIn PDF document text
- http://www.waelhamadehgallery.com/uploaded_files/userfiles/files/hack-free-spin-coin-master_GM406889139.pdfIn PDF document text
- http://www.waelhamadehgallery.com/uploaded_files/userfiles/files/robux-get-com_GM431946152.pdfIn PDF document text
- http://www.waelhamadehgallery.com/uploaded_files/userfiles/files/coin-master-hacks-xyz_GM406889139.pdfIn PDF document text
- http://www.waelhamadehgallery.com/uploaded_files/userfiles/files/coin-master-free-spins-facebook_GM406889139.pdfIn PDF document text
- http://www.waelhamadehgallery.com/uploaded_files/userfiles/files/free-spin-and-coin-blogspot_GM406889139.pdfIn PDF document text
- http://www.waelhamadehgallery.com/uploaded_files/userfiles/files/how-to-hack-people-on-roblox_GM431946152.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_off00004d01.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4D01	25932 bytes
SHA-256: `c8b761a0cd91da7705981588b1bee66b0107f1475f02d4140d00d6f67d0fe271`
`font_01_sfnt_off000089ae.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x89AE	18804 bytes
SHA-256: `db707177e1a0df533614fd289cf2b470ee37edf039339bb568c3977480a042bc`

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