PDF malware analysis — malicious · faa790ce2619c6f5

MALICIOUS

PDF

45.0 KB Created: 2021-06-03 08:12:24 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-15

MD5: a79e78e217fd564206e0c8d322f4adcb SHA-1: f676db79205f575b574f37a11e0e76f3dbf82526 SHA-256: faa790ce2619c6f5f3795e262e4e13e485c9ec7008644637df6c1167de2b4607

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF contains numerous embedded URLs and a heuristic firing for a PDF link farm, suggesting it's designed to redirect users to external sites. The document body, though heavily obfuscated, contains references to game hacks and free spins, indicating a lure for potentially unwanted or malicious downloads. The ML classifier also flagged this PDF as malicious with high confidence.

Machine Learning

Nyx PDF Classifier malicious score 0.9865

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.online/app/479516143/minecraft-pe-free-game-hack PDF link annotation
- https://www.kabadixpress.com/uploaded_files/userfiles/files/coin-master-free-spins-save_GM406889139.pdfIn PDF document text
- https://www.kabadixpress.com/uploaded_files/userfiles/files/easy-free-spins-coin-master_GM406889139.pdfIn PDF document text
- https://www.kabadixpress.com/uploaded_files/userfiles/files/free-robux-websites-that-actually-work-2021_GM431946152.pdfIn PDF document text
- https://www.kabadixpress.com/uploaded_files/userfiles/files/comapp-trekfree-coin-spindaily-link-master_GM406889139.pdfIn PDF document text
- https://www.kabadixpress.com/uploaded_files/userfiles/files/coin-master-card-hack-2021_GM406889139.pdfIn PDF document text
- https://www.kabadixpress.com/uploaded_files/userfiles/files/free-robux-sites-that-work_GM431946152.pdfIn PDF document text
- https://www.kabadixpress.com/uploaded_files/userfiles/files/can-you-actually-get-free-robux_GM431946152.pdfIn PDF document text
- https://www.kabadixpress.com/uploaded_files/userfiles/files/coin-master-free-spins-promo-code_GM406889139.pdfIn PDF document text
- https://www.kabadixpress.com/uploaded_files/userfiles/files/free-robux-generator-without-human-verification_GM431946152.pdfIn PDF document text
- https://www.kabadixpress.com/uploaded_files/userfiles/files/roblox-free-clothes-generator_GM431946152.pdfIn PDF document text
- https://www.kabadixpress.com/uploaded_files/userfiles/files/how-to-get-free-followers-on-roblox_GM431946152.pdfIn PDF document text
- https://www.kabadixpress.com/uploaded_files/userfiles/files/coin-master-free-spin-link-today-16-11-2021_GM406889139.pdfIn PDF document text
- https://www.kabadixpress.com/uploaded_files/userfiles/files/free-spins-coin-master-ios-links_GM406889139.pdfIn PDF document text
- https://www.kabadixpress.com/uploaded_files/userfiles/files/free-spins-coin-master-hack-2021_GM406889139.pdfIn PDF document text
- https://www.kabadixpress.com/uploaded_files/userfiles/files/how-to-get-free-robux-without-downloading-anything_GM431946152.pdfIn PDF document text
- https://www.kabadixpress.com/uploaded_files/userfiles/files/coin-master-hacks_GM406889139.pdfIn PDF document text
- https://www.kabadixpress.com/uploaded_files/userfiles/files/free-roblox-money_GM431946152.pdfIn PDF document text
- https://www.kabadixpress.com/uploaded_files/userfiles/files/microsoft-roblox_GM431946152.pdfIn PDF document text
- https://www.kabadixpress.com/uploaded_files/userfiles/files/how-to-get-free-stuff-on-roblox-2021_GM431946152.pdfIn PDF document text
- https://www.kabadixpress.com/uploaded_files/userfiles/files/roblox-avatar-com_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_004_off00005588.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x5588	25492 bytes
SHA-256: `8fd25a87b30561e36e77ce1a7fd2b71f17314c395ef83f0464bf80ff02d0dac9`
`font_01_sfnt_off00008f66.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8F66	17724 bytes
SHA-256: `f623db3d5896acbfca75c1fa71b49e9ae1d6d1c000a87567f3c2fb9ea3a364ca`

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