PDF malware analysis — malicious · 4b1939f0d076e07e

MALICIOUS

PDF

41.4 KB Created: 2021-05-15 17:17:40 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27

MD5: c2f30a17dc7aafa36c33410df0eec2b1 SHA-1: d0bdba59e609962fc45e14d6c34fc0b2857081e4 SHA-256: 4b1939f0d076e07eaa1ef65b136128ed7039e38a3ec929b0e7cb45a03db39924

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

This PDF document contains a large number of external links, many of which point to pages offering game cheats and hacks. The ML classifier strongly indicated maliciousness, and the presence of a download button lure suggests a deceptive intent. The document likely serves as a link farm to distribute malware or phish for credentials related to online games.

Machine Learning

Nyx PDF Classifier malicious score 0.9971

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/479516143/free-minecraft-capes-game-hack PDF link annotation
- https://farkas.de/images/coin-master-spin-hack-2021_GM406889139.pdfIn PDF document text
- https://farkas.de/images/google-moon-active_GM406889139.pdfIn PDF document text
- https://farkas.de/images/daily-free-spin-coin-master-link_GM406889139.pdfIn PDF document text
- https://farkas.de/images/free-robux-games-that-actually-work-2021_GM431946152.pdfIn PDF document text
- https://farkas.de/images/how-to-get-free-spins-and-coins-on-coin-master_GM406889139.pdfIn PDF document text
- https://farkas.de/images/coin-master-free-spins-link-2021_GM406889139.pdfIn PDF document text
- https://farkas.de/images/coin-master-hack-without-verification-code_GM406889139.pdfIn PDF document text
- https://farkas.de/images/how-to-get-free-robux-on-ipad_GM431946152.pdfIn PDF document text
- https://farkas.de/images/free-spins-coin-master-no-survey_GM406889139.pdfIn PDF document text
- https://farkas.de/images/coin-master-free-coins-links-2021_GM406889139.pdfIn PDF document text
- https://farkas.de/images/roblox-free-clothes-girl_GM431946152.pdfIn PDF document text
- https://farkas.de/images/coin-master-hack-tool-v1-9-apk_GM406889139.pdfIn PDF document text
- https://farkas.de/images/free-roblox-card_GM431946152.pdfIn PDF document text
- https://farkas.de/images/coin-master-today_GM406889139.pdfIn PDF document text
- https://farkas.de/images/real-robux-codes_GM431946152.pdfIn PDF document text
- https://farkas.de/images/coin-master-hack-reddit_GM406889139.pdfIn PDF document text
- https://farkas.de/images/how-to-hack-coin-master-spin-ios_GM406889139.pdfIn PDF document text
- https://farkas.de/images/hack-coin-master-no-verification_GM406889139.pdfIn PDF document text
- https://farkas.de/images/how-to-hack-someones-roblox-account_GM431946152.pdfIn PDF document text
- https://farkas.de/images/roblox-generator-no-verification_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
`stream_003_off0000482e.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x482E	24916 bytes
SHA-256: `7a631418941e037bf8080bbadb7d01c17b25e25c6496964b8bdbee5c41d4897d`
`font_01_sfnt_off00008109.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8109	17744 bytes
SHA-256: `dedc931f5c8bac627c7a83c769fddbd093390c6d69f02f50ba531346133b4d17`

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