PDF malware analysis — malicious · dcbd645b1f123664

MALICIOUS

PDF

45.8 KB Created: 2021-06-01 02:45:45 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27

MD5: cd309c06a14dd5a5a909b020d87fecc0 SHA-1: 8c2ff29411897554e95bc332191e6bf8af06cb71 SHA-256: dcbd645b1f12366476c7f5ead18a95a394e71dcdcee591b22ced0db0d7848f5b

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF contains numerous external links, many of which point to other PDF files, suggesting a link farm or SEO manipulation tactic. The document body and extracted URLs indicate a lure related to "Free Robux Generator Hack", likely intended to trick users into downloading malicious content or visiting scam sites. While no scripts were explicitly extracted, the PDF structure and the presence of external links are indicative of malicious intent, possibly involving JavaScript for redirection or exploitation.

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.xyz/app/431946152/free-robux-generator-hack-2021-game-hack PDF link annotation
- https://tjiko.de/wp-content/uploads/fsqm-files/free-robux-wearedevs_GM431946152.pdfIn PDF document text
- https://tjiko.de/wp-content/uploads/fsqm-files/minecraft-dungeons-free-download_GM479516143.pdfIn PDF document text
- https://tjiko.de/wp-content/uploads/fsqm-files/coin-master-free-coins-and-spins-app_GM406889139.pdfIn PDF document text
- https://tjiko.de/wp-content/uploads/fsqm-files/how-to-get-minecraft-for-free-on-ipad_GM479516143.pdfIn PDF document text
- https://tjiko.de/wp-content/uploads/fsqm-files/what-would-noobs-do-with-free-robux_GM431946152.pdfIn PDF document text
- https://tjiko.de/wp-content/uploads/fsqm-files/roblox-hacks-get-free-robux_GM431946152.pdfIn PDF document text
- https://tjiko.de/wp-content/uploads/fsqm-files/how-to-get-free-robux-codes_GM431946152.pdfIn PDF document text
- https://tjiko.de/wp-content/uploads/fsqm-files/games-that-give-you-free-robux_GM431946152.pdfIn PDF document text
- https://tjiko.de/wp-content/uploads/fsqm-files/free-robux-link_GM431946152.pdfIn PDF document text
- https://tjiko.de/wp-content/uploads/fsqm-files/free-spins-on-coin-master-2021_GM406889139.pdfIn PDF document text
- https://tjiko.de/wp-content/uploads/fsqm-files/how-to-get-free-robux-easy-no-download_GM431946152.pdfIn PDF document text
- https://tjiko.de/wp-content/uploads/fsqm-files/free-tiktok-fans-no-verification_GM835599320.pdfIn PDF document text
- https://tjiko.de/wp-content/uploads/fsqm-files/is-minecraft-free-on-ps4_GM479516143.pdfIn PDF document text
- https://tjiko.de/wp-content/uploads/fsqm-files/minecraft-free-version_GM479516143.pdfIn PDF document text
- https://tjiko.de/wp-content/uploads/fsqm-files/free-games-like-minecraft_GM479516143.pdfIn PDF document text
- https://tjiko.de/wp-content/uploads/fsqm-files/followers-generator-roblox-hack_GM431946152.pdfIn PDF document text
- https://tjiko.de/wp-content/uploads/fsqm-files/free-robux-giveaway_GM431946152.pdfIn PDF document text
- https://tjiko.de/wp-content/uploads/fsqm-files/roblox-noclip-and-speed-hack_GM431946152.pdfIn PDF document text
- https://tjiko.de/wp-content/uploads/fsqm-files/free-robux-hack-no-download-no-survey-2021_GM431946152.pdfIn PDF document text
- https://tjiko.de/wp-content/uploads/fsqm-files/how-to-get-free-robux-without-downloading-apps_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_off0000531f.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x531F	26184 bytes
SHA-256: `56f87785bce6b59505cf2e030f1114c4da27d7b38872473e16f42aa91e57f266`
`font_01_sfnt_off00008e9b.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8E9B	18916 bytes
SHA-256: `944fee1d16c669b99ec79a57e025379b776f98e15af2bb19bb39b0cd87cb55cd`

Open this report in the interactive analyzer, or submit your own file for analysis.