PDF malware analysis — malicious · d69cdbf0024d94c3

MALICIOUS

PDF

43.0 KB Created: 2021-06-03 04:02:35 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 15fe2f116740f5b2e762972535b994cd SHA-1: 7b443d87bf6e0892edb186f08a72d1a858fa00c3 SHA-256: d69cdbf0024d94c35d48e03e2c30eb50773d3490770a16c40ef1cd02d3cb101a

62 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains an embedded URI pointing to a suspicious URL, which is indicative of a phishing or malware distribution attempt. The presence of heuristics related to download buttons and QR code lures further supports this, suggesting the document is designed to trick users into clicking a link or scanning a QR code to download a payload. The ML classifier also flagged this PDF as malicious with high confidence.

Machine Learning

Nyx PDF Classifier malicious score 0.9874

Heuristics 4

QR-code redirect lure medium SE_QR_LURE

Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
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.online/app/479516143/free-pe-game-hack
- https://www.apartmani-mestrovic-krk.hr/files/free-roblox_GM431946152.pdf
- https://www.apartmani-mestrovic-krk.hr/files/how-to-hack-robux_GM431946152.pdf
- https://www.apartmani-mestrovic-krk.hr/files/free-robux-link_GM431946152.pdf
- http://apartmani-mestrovic-krk.hr/files/free-robux-apk_GM431946152.pdf
- http://apartmani-mestrovic-krk.hr/files/minecraft-bedrock-hacks_GM479516143.pdf
- https://www.apartmani-mestrovic-krk.hr/files/coin-master-hack-facebook_GM406889139.pdf
- https://www.apartmani-mestrovic-krk.hr/files/ro-ghoul-script_GM431946152.pdf
- https://www.apartmani-mestrovic-krk.hr/files/how-to-get-robux-on-phone_GM431946152.pdf
- http://apartmani-mestrovic-krk.hr/files/coin-master-cards_GM406889139.pdf
- https://www.apartmani-mestrovic-krk.hr/files/coin-master-free-items_GM406889139.pdf
- http://apartmani-mestrovic-krk.hr/files/free-minecraft-videos_GM479516143.pdf
- http://apartmani-mestrovic-krk.hr/files/the-coin-master-hack_GM406889139.pdf
- https://www.apartmani-mestrovic-krk.hr/files/roblox-free-skin_GM431946152.pdf
- https://www.apartmani-mestrovic-krk.hr/files/roblox-hack-download_GM431946152.pdf
- https://www.apartmani-mestrovic-krk.hr/files/hacks-to-get-free-robux_GM431946152.pdf
- https://www.apartmani-mestrovic-krk.hr/files/coin-master-free-coins-twitter_GM406889139.pdf
- https://www.apartmani-mestrovic-krk.hr/files/how-to-get-free-robux-by-playing-games_GM431946152.pdf
- https://www.apartmani-mestrovic-krk.hr/files/jailbreak-roblox-hack_GM431946152.pdf
- http://apartmani-mestrovic-krk.hr/files/free-minecraft-account-reddit_GM479516143.pdf
- http://apartmani-mestrovic-krk.hr/files/coin-master-free-coins-and-spins_GM406889139.pdf
- https://sigmaclient.info#2
- https://flux.today#3
- http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_004_off00005039.bin` `47edb5b13a300b210a02ec218ce2c06d24f1e8f98512eab6fb7fde2895a5ff60`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x5039	24584 bytes
`font_01_sfnt_off000088cf.bin` `46433faf3b0be28078b79d1b2528f0e9142f520200f3a4c57f2027421dc25ed5`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x88CF	17268 bytes

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