PDF malware analysis — malicious · 964682faac18ca6c

MALICIOUS

PDF

43.8 KB Created: 2021-05-14 10:22:45 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17

MD5: c755c09f6fff0a1fea9538436fcfe0ae SHA-1: 1933e48e414bf19206f75b92c5653fab4e544787 SHA-256: 964682faac18ca6ccc2e1284956ba1c0ec485370ca3ddd7079775c08a6629736

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains numerous links to external websites, many of which are structured as SEO link farms. The document body and extracted URLs suggest a lure related to game hacking and virtual currency, indicating a phishing or scam attempt. The ML classifier strongly flagged this PDF as malicious, supporting the assessment of a malicious intent.

Machine Learning

Nyx PDF Classifier malicious score 0.9969

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/406889139/how-to-hack-coin-master-root-game-hack PDF link annotation
- https://cluster-consulting.com/images/pop-slots-free-vegas-casino-slot-machine-game-coin-master_GM406889139.pdfIn PDF document text
- https://cluster-consulting.com/images/free-spins-and-coins-blogspot-coin-master_GM406889139.pdfIn PDF document text
- https://cluster-consulting.com/images/coin-master-free-cards-link-2021_GM406889139.pdfIn PDF document text
- https://cluster-consulting.com/images/free-spins-for-coin-master-2021_GM406889139.pdfIn PDF document text
- https://cluster-consulting.com/images/robux-xyz_GM431946152.pdfIn PDF document text
- https://cluster-consulting.com/images/coin-master-card-hack-apk_GM406889139.pdfIn PDF document text
- https://cluster-consulting.com/images/free-robux-generator-com-roblox-hack_GM431946152.pdfIn PDF document text
- https://cluster-consulting.com/images/how-to-get-free-robux-without-verifying-2021_GM431946152.pdfIn PDF document text
- https://cluster-consulting.com/images/get-free-robux-2021_GM431946152.pdfIn PDF document text
- https://cluster-consulting.com/images/free-spin-today-coin-master_GM406889139.pdfIn PDF document text
- https://cluster-consulting.com/images/coin-master-hack-2021_GM406889139.pdfIn PDF document text
- https://cluster-consulting.com/images/roblox-e-free_GM431946152.pdfIn PDF document text
- https://cluster-consulting.com/images/robux-free-online_GM431946152.pdfIn PDF document text
- https://cluster-consulting.com/images/how-to-get-free-roblox_GM431946152.pdfIn PDF document text
- https://cluster-consulting.com/images/coin-master-free-online-game_GM406889139.pdfIn PDF document text
- https://cluster-consulting.com/images/free-robux-no-verification-2021_GM431946152.pdfIn PDF document text
- https://cluster-consulting.com/images/free-robux-human-verification_GM431946152.pdfIn PDF document text
- https://cluster-consulting.com/images/coin-master-free-spins-link-2021-hack_GM406889139.pdfIn PDF document text
- https://cluster-consulting.com/images/free-games-coin-master_GM406889139.pdfIn PDF document text
- https://cluster-consulting.com/images/free-robux-for-free_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_off00004bc3.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4BC3	27564 bytes
SHA-256: `56472182297bb1a4795ca3b0abfb46668a7efe18644fa861574b14af15bfbac4`
`font_01_sfnt_off00008a39.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8A39	17880 bytes
SHA-256: `8d1f2374cc0ee299ef3230cc600176bd8051b87b632aac22800208bfbee90f8f`

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