PDF malware analysis — malicious · 418c3ee44e29ea10

MALICIOUS

PDF

35.1 KB Created: 2021-06-27 05:04:23 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-15

MD5: 2d43412f3becf2318d28be0a930fcf72 SHA-1: 4febeb1c9347d7050c5e5c526a07ec9698305bca SHA-256: 418c3ee44e29ea10c79fe4ebfd41403196e9b97721ed91596f1bf0df5aa724e5

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains numerous links to external websites, many of which are presented as 'hacks' or 'giveaways' for popular games. The heuristic PDF_SEO_LINK_FARM indicates a large number of such links, and the ML_NYX_PDF_MALICIOUS model strongly flagged the file. The document body and extracted URLs suggest a lure to download or access further malicious 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 http://netcdn.co/app/431946152/roblox-free-accounts-giveaway-and-tradings-game-hack PDF link annotation
- https://alarmed.pl/images/how-to-hack-roblox-hospital-roleplay_GM431946152.pdfIn PDF document text
- https://alarmed.pl/images/pokemon-go-joystick-free-download_GM1094591345.pdfIn PDF document text
- https://alarmed.pl/images/minecraft-free-download-unblocked_GM479516143.pdfIn PDF document text
- https://alarmed.pl/images/coin-master-daily-free-spins-blogspot_GM406889139.pdfIn PDF document text
- https://alarmed.pl/images/how-to-get-free-robux-generator_GM431946152.pdfIn PDF document text
- https://alarmed.pl/images/roblox-catalog-free_GM431946152.pdfIn PDF document text
- https://alarmed.pl/images/real-robux_GM431946152.pdfIn PDF document text
- https://alarmed.pl/images/an-app-that-gives-you-free-robux_GM431946152.pdfIn PDF document text
- https://alarmed.pl/images/free-script-executor-roblox-2021_GM431946152.pdfIn PDF document text
- https://alarmed.pl/images/how-to-hack-golden-card-in-coin-master_GM406889139.pdfIn PDF document text
- https://alarmed.pl/images/roblox-fashion-frenzy-free-games_GM431946152.pdfIn PDF document text
- https://alarmed.pl/images/roblox-free-play-no-download_GM431946152.pdfIn PDF document text
- https://alarmed.pl/images/how-to-get-free-spins-in-coin-master-2021_GM406889139.pdfIn PDF document text
- https://alarmed.pl/images/roblox-lisa-hack_GM431946152.pdfIn PDF document text
- https://alarmed.pl/images/game-coin-master-hack_GM406889139.pdfIn PDF document text
- https://alarmed.pl/images/how-do-u-hack-roblox_GM431946152.pdfIn PDF document text
- https://alarmed.pl/images/bloxawards-com-earn-free-robux_GM431946152.pdfIn PDF document text
- https://alarmed.pl/images/all-free-offsale-items-on-roblox_GM431946152.pdfIn PDF document text
- https://alarmed.pl/images/free-dominus-roblox-tampermonkey_GM431946152.pdfIn PDF document text
- https://alarmed.pl/images/youtube-com-how-to-get-free-robux_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
`font_00_sfnt_off0000303c.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x303C	22432 bytes
SHA-256: `82ef1ffcab997c06eb5bd493a2919512041ddd6754defe67c10bc16c59217429`
`font_01_sfnt_off00006279.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6279	19644 bytes
SHA-256: `c169d455123c175fd5394815bffe15cf550504cb8c292d72be3ea6819fd479b9`

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