PDF malware analysis — malicious · a7911e89644a6a8a

MALICIOUS

PDF

46.3 KB Created: 2021-06-08 17:00:15 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 8e8d363e8683a9349958e48775e371e3 SHA-1: 7ccccd92c54d6d1b75f440302426665d4b715838 SHA-256: a7911e89644a6a8acf540e3de541ce4288e36d9cca4673a61d0ec0033d43e988

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious Link

This PDF document contains a large number of external links, many of which are disguised as PDF files hosted on a suspicious domain. The document body also contains a direct link to a URL that promises free items in a game, suggesting a lure for users to click through to potentially malicious sites. The ML classifier also flagged this PDF as malicious with high confidence.

Machine Learning

Nyx PDF Classifier malicious score 0.9832

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.tw/app/431946152/how-to-get-any-item-for-free-on-roblox-game-hack
- http://safwafurniture.com/images/how-to-get-more-spins-on-coin-master-for-free_GM406889139.pdf
- http://safwafurniture.com/images/robux-now_GM431946152.pdf
- http://safwafurniture.com/images/free-tiktok-followers-without-human-verification-2021_GM835599320.pdf
- http://safwafurniture.com/images/roblox-land-free-robux_GM431946152.pdf
- http://safwafurniture.com/images/como-ser-fuerte-en-boxing-simulator-2-roblox-cheat_GM431946152.pdf
- http://safwafurniture.com/images/hack-coin-master-no-human-verification_GM406889139.pdf
- http://safwafurniture.com/images/coin-master-official-website_GM406889139.pdf
- http://safwafurniture.com/images/minecraft-pe-free-download-ios-no-jailbreak_GM479516143.pdf
- http://safwafurniture.com/images/coin-spin-link_GM406889139.pdf
- http://safwafurniture.com/images/can-you-play-minecraft-for-free_GM479516143.pdf
- http://safwafurniture.com/images/free-spins-and-coins-for-coin-master_GM406889139.pdf
- http://safwafurniture.com/images/como-generar-coin-master-free-spins_GM406889139.pdf
- http://safwafurniture.com/images/coin-master-free-spins-for-iphone_GM406889139.pdf
- http://safwafurniture.com/images/coin-master-email-rewards-link_GM406889139.pdf
- http://safwafurniture.com/images/robuxfree-con_GM431946152.pdf
- http://safwafurniture.com/images/how-to-hack-roblox-jailbreak_GM431946152.pdf
- http://safwafurniture.com/images/coin-master-free-spin-no-offers_GM406889139.pdf
- http://safwafurniture.com/images/how-do-we-get-free-robux_GM431946152.pdf
- http://safwafurniture.com/images/free-spins-coin-master-hack_GM406889139.pdf
- http://safwafurniture.com/images/spin-link_GM406889139.pdf
- http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00005355.bin` `1758852154fe80d6c7406fe44aa5a769f54669b8f58ec663c4f58ca040ca64fa`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5355	26340 bytes
`font_01_sfnt_off0000914b.bin` `e4af6c2ce1e6e5502621468ce825547bb6c69fbb30c5c554ab0a9412e3238768`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x914B	18656 bytes

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