PDF malware analysis — malicious · f6ad6cde6893b89f

MALICIOUS

PDF

45.4 KB Created: 2021-05-19 15:11:40 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16

MD5: 3badddfc5e9d7e79a9a710bc2521549b SHA-1: 1acc1e5c8f6e96568e598546d16fc7130a619ead SHA-256: f6ad6cde6893b89f13e38053832ea72e9bb39b36a2a1646e018317c4c4cb4e6a

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains a large number of external links, many of which are SEO-optimized and point to pages related to free game items or hacks. The heuristic 'PDF_SEO_LINK_FARM' indicates a mass of external links, and the 'ML_NYX_PDF_MALICIOUS' model output of 0.950665 strongly suggests malicious intent. The presence of a 'download button' lure further supports a malicious workflow, likely leading to malware or phishing content.

Machine Learning

Nyx PDF Classifier malicious score 0.9507

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-roblox-exploits-game-hack PDF link annotation
- http://linde-erbach.de/images/how-to-get-free-robux-easy_GM431946152.pdfIn PDF document text
- http://linde-erbach.de/images/daily-free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
- http://linde-erbach.de/images/daily-free-spins-coin-master_GM406889139.pdfIn PDF document text
- http://linde-erbach.de/images/coin-master-hack-blogspot_GM406889139.pdfIn PDF document text
- http://linde-erbach.de/images/free-minecraft-pe-server_GM479516143.pdfIn PDF document text
- http://linde-erbach.de/images/minecraft-112-hacked-client_GM479516143.pdfIn PDF document text
- http://linde-erbach.de/images/hack-coin-master-using-pc_GM406889139.pdfIn PDF document text
- http://linde-erbach.de/images/coin-master-free-soins_GM406889139.pdfIn PDF document text
- http://linde-erbach.de/images/free-robux-without-downloading-apps_GM431946152.pdfIn PDF document text
- http://linde-erbach.de/images/how-to-get-free-daily-spins-on-coin-master_GM406889139.pdfIn PDF document text
- http://linde-erbach.de/images/roblox-games-to-play-for-free_GM431946152.pdfIn PDF document text
- http://linde-erbach.de/images/hack-coin-master-without-root_GM406889139.pdfIn PDF document text
- http://linde-erbach.de/images/free-robux-generator-com-roblox-hack_GM431946152.pdfIn PDF document text
- http://linde-erbach.de/images/roblox-promo-codes-for-free-robux_GM431946152.pdfIn PDF document text
- http://linde-erbach.de/images/coin-master-free-spins-link-october-2021_GM406889139.pdfIn PDF document text
- http://linde-erbach.de/images/coin-master-free-spins-link-deutsch-ios_GM406889139.pdfIn PDF document text
- http://linde-erbach.de/images/roblox-generator-no-human-verification_GM431946152.pdfIn PDF document text
- http://linde-erbach.de/images/how-to-hack-minecraft-pe_GM479516143.pdfIn PDF document text
- http://linde-erbach.de/images/links-to-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
- http://linde-erbach.de/images/robuxglobalcom-no-verification_GM431946152.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_off000047df.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x47DF	25408 bytes
SHA-256: `d67d31fc765978330b9e09604dfca5f9f8c31920b3d8833b78208754444964b2`
`font_01_sfnt_off000081ac.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x81AC	5696 bytes
SHA-256: `450e3ee45915afe13702bf1d587eb8b9ad88a8d2113419ac9f2fd116a828e139`
`font_02_sfnt_off00008ebe.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8EBE	18348 bytes
SHA-256: `1d9f36dea9d5b0f5d610c362339b15f960da10ce62be779289e367b395438bde`

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