PDF malware analysis — malicious · 9e55618bd4dd16df

MALICIOUS

PDF

46.1 KB Created: 2021-06-10 17:27:42 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: b1df248602135a7304fa6c98ab7f71ad SHA-1: eca2e1b14d980345143899253aee9ac26531b6fe SHA-256: 9e55618bd4dd16df6cc080e882557a63972bc38095d2675923ad97d680bdf2e7

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF contains numerous embedded URLs and a document body that mimics a lure for free in-game items in Roblox. The PDF_SEO_LINK_FARM heuristic indicates a large number of external links, suggesting a link farm or redirection mechanism. The ML_NYX_PDF_MALICIOUS score further supports the malicious nature of the file, likely serving as a phishing or malware distribution vector.

Machine Learning

Nyx PDF Classifier malicious score 0.9864

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/roblox-how-to-get-free-stuff-2021-game-hack
- https://scraperite.com/images/free-items-roblox-2021_GM431946152.pdf
- https://scraperite.com/images/add-robux-us-roblox-hack_GM431946152.pdf
- https://scraperite.com/images/coin-master-free-spins-may-11-2021_GM406889139.pdf
- https://scraperite.com/images/coin-master-free-spins-blogspot_GM406889139.pdf
- https://scraperite.com/images/free-spin-coin-master-2021-link_GM406889139.pdf
- https://scraperite.com/images/free-spins-on-coin-master-link_GM406889139.pdf
- https://scraperite.com/images/roblox-free-pets_GM431946152.pdf
- https://scraperite.com/images/how-to-hack-people-on-roblox_GM431946152.pdf
- https://scraperite.com/images/how-to-get-a-free-pokemon-go-account_GM1094591345.pdf
- https://scraperite.com/images/free-roblox-accounts-with-robux-that-work-2021_GM431946152.pdf
- https://scraperite.com/images/free-minecraft-skins-pe_GM479516143.pdf
- https://scraperite.com/images/how-to-download-minecraft-for-free-on-windows-10_GM479516143.pdf
- https://scraperite.com/images/wahoo-gaming-co-free-robux_GM431946152.pdf
- https://scraperite.com/images/how-to-hack-someones-account-on-roblox-vr3million_GM431946152.pdf
- https://scraperite.com/images/coin-master-hack-for-ios_GM406889139.pdf
- https://scraperite.com/images/coin-master-free-gold-cards-link-2021ee-spins_GM406889139.pdf
- https://scraperite.com/images/free-robux-no-verification-2021_GM431946152.pdf
- https://scraperite.com/images/coin-master-hack-online-2021_GM406889139.pdf
- https://scraperite.com/images/how-to-find-free-robux_GM431946152.pdf
- https://scraperite.com/images/give-me-free-robux_GM431946152.pdf
- http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_004_off00005093.bin` `6b742a9cd4b398b6f314e15d7796793d9fa7c9d14c857e7638fa319351e23a77`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x5093	28368 bytes
`font_01_sfnt_off00009053.bin` `71af28fe3703685ae3a6c996482eb57c643426daf11fab22f8db0b008440d9ac`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9053	18756 bytes

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