PDF malware analysis — malicious · b27b265d2942656d

MALICIOUS

PDF

50.0 KB Created: 2021-05-30 08:44:04 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-14

MD5: cd272d81765dce946a3e281c8c7a3982 SHA-1: ff4d71891562f36cd184aef9b7cb99caeab85eba SHA-256: b27b265d2942656d1f690e87bcb6f65e77ac4dc4ee0b28969b70ae048028a9b2

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF contains numerous embedded links and a call-to-action phrase, directing users to websites that promise free Robux or game downloads. This pattern is indicative of a phishing or scam campaign designed to lure victims to potentially malicious sites. Although no scripts were explicitly extracted, the PDF structure and embedded URIs strongly suggest a malicious intent to redirect users.

Machine Learning

Nyx PDF Classifier malicious score 0.8121

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/free-robux-websites-that-actually-work-2021-game-hack PDF link annotation
- https://www.awwda.go.ke/wp-content/uploads/fsqm-files/how-to-download-minecraft-for-free-on-mac_GM479516143.pdfIn PDF document text
- https://www.awwda.go.ke/wp-content/uploads/fsqm-files/free-robux-games-that-actually-work-2021_GM431946152.pdfIn PDF document text
- https://www.awwda.go.ke/wp-content/uploads/fsqm-files/how-to-get-free-robux-with-no-verification_GM431946152.pdfIn PDF document text
- https://www.awwda.go.ke/wp-content/uploads/fsqm-files/how-to-play-minecraft-for-free-on-pc_GM479516143.pdfIn PDF document text
- https://www.awwda.go.ke/wp-content/uploads/fsqm-files/classic-minecraft-net-hacks_GM479516143.pdfIn PDF document text
- https://www.awwda.go.ke/wp-content/uploads/fsqm-files/get-free-robux_GM431946152.pdfIn PDF document text
- https://www.awwda.go.ke/wp-content/uploads/fsqm-files/minecraft-bedrock-edition-pc-download-free_GM479516143.pdfIn PDF document text
- https://www.awwda.go.ke/wp-content/uploads/fsqm-files/is-it-possible-to-get-free-robux_GM431946152.pdfIn PDF document text
- https://www.awwda.go.ke/wp-content/uploads/fsqm-files/minecraft-hack-mod_GM479516143.pdfIn PDF document text
- https://www.awwda.go.ke/wp-content/uploads/fsqm-files/adopt-me-roblox-hacks_GM431946152.pdfIn PDF document text
- https://www.awwda.go.ke/wp-content/uploads/fsqm-files/free-texture-packs-for-minecraft-pe_GM479516143.pdfIn PDF document text
- https://www.awwda.go.ke/wp-content/uploads/fsqm-files/can-you-get-minecraft-for-free_GM479516143.pdfIn PDF document text
- https://www.awwda.go.ke/wp-content/uploads/fsqm-files/free-tiktok-likes-without-verification_GM835599320.pdfIn PDF document text
- https://www.awwda.go.ke/wp-content/uploads/fsqm-files/minecraft-free-no-download_GM479516143.pdfIn PDF document text
- https://www.awwda.go.ke/wp-content/uploads/fsqm-files/free-robux-no-download_GM431946152.pdfIn PDF document text
- https://www.awwda.go.ke/wp-content/uploads/fsqm-files/coin-master-free-spins-app_GM406889139.pdfIn PDF document text
- https://www.awwda.go.ke/wp-content/uploads/fsqm-files/how-do-you-get-minecraft-for-free_GM479516143.pdfIn PDF document text
- https://www.awwda.go.ke/wp-content/uploads/fsqm-files/free-robux-generator-com-roblox-hack_GM431946152.pdfIn PDF document text
- https://www.awwda.go.ke/wp-content/uploads/fsqm-files/how-do-i-get-minecraft-for-free_GM479516143.pdfIn PDF document text
- https://www.awwda.go.ke/wp-content/uploads/fsqm-files/minecraft-free-download-iphone_GM479516143.pdfIn PDF document text
- https://www.awwda.go.ke/wp-content/uploads/fsqm-files/free-robux-generator-no-human-verification_GM431946152.pdfIn PDF document text
- https://www.awwda.go.ke/wp-content/uploads/fsqm-files/how-to-get-free-robux-without-verification_GM431946152.pdfIn PDF document text
- https://www.awwda.go.ke/wp-content/uploads/fsqm-files/will-minecraft-dungeons-be-free_GM479516143.pdfIn PDF document text
- https://www.awwda.go.ke/wp-content/uploads/fsqm-files/free-robux-hack-2021_GM431946152.pdfIn PDF document text
- https://www.awwda.go.ke/wp-content/uploads/fsqm-files/minecraft-windows-10-hacks_GM479516143.pdfIn PDF document text
- https://www.awwda.go.ke/wp-content/uploads/fsqm-files/minecraft-bedrock-free-with-java_GM479516143.pdfIn PDF document text
- https://www.awwda.go.ke/wp-content/uploads/fsqm-files/hack-tiktok-fans-free_GM835599320.pdfIn PDF document text
- http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_003_off00005201.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x5201	25636 bytes
SHA-256: `46a89628665c420a286fd58fed219d049335482c56525a431fe340ed939b992e`
`font_01_sfnt_off00008ca6.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8CA6	4660 bytes
SHA-256: `b8980cdac4d025496d9fe039d8c05bb5b9bae1b804244a1f9c05e9663db72816`
`font_02_sfnt_off00009cb6.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9CB6	19656 bytes
SHA-256: `7b3ca8e33f6ab65cae0b12a773bae5d0e0377a7b1030ef9ec14be3c3cdd71d54`

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