PDF malware analysis — malicious · 47d68f00eeca2add

MALICIOUS

PDF

45.5 KB Created: 2021-05-10 13:57:19 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-11-21

MD5: b1ec17aa456d93c4ad691696858fadce SHA-1: 19f22d27c7ca1488f394914c92324efeddefa55c SHA-256: 47d68f00eeca2add8a66df7ce261fbd029abb32f94493a3b0a52687a0cebb993

100 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains embedded links that lead to known malicious redirector infrastructure, specifically promoting downloads for game hacks and currency. The document body and extracted URLs suggest a social engineering lure to trick users into downloading potentially unwanted or malicious applications. The ML classifier also strongly indicated maliciousness.

Machine Learning

Nyx PDF Classifier malicious score 0.9518

Heuristics 3

PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK

PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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
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/hack-coin-master-apk-3.2-download-game-hack In PDF document text
- https://elearning.mtsn2kukar.sch.id/__statics/gudangsoal/files/how-to-get-800-robux-for-free_GM431946152.pdfIn PDF document text
- https://elearning.mtsn2kukar.sch.id/__statics/gudangsoal/files/links-to-get-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
- https://elearning.mtsn2kukar.sch.id/__statics/gudangsoal/files/how-to-get-free-robux-com_GM431946152.pdfIn PDF document text
- https://elearning.mtsn2kukar.sch.id/__statics/gudangsoal/files/best-free-minecraft-servers_GM479516143.pdfIn PDF document text
- https://elearning.mtsn2kukar.sch.id/__statics/gudangsoal/files/free-spins-coin-master-generator_GM406889139.pdfIn PDF document text
- https://elearning.mtsn2kukar.sch.id/__statics/gudangsoal/files/coin-master-hack-apk-android-1_GM406889139.pdfIn PDF document text
- https://elearning.mtsn2kukar.sch.id/__statics/gudangsoal/files/coin-master-free-coins-twitter_GM406889139.pdfIn PDF document text
- https://elearning.mtsn2kukar.sch.id/__statics/gudangsoal/files/hack-coin-master-no-human-verification_GM406889139.pdfIn PDF document text
- https://elearning.mtsn2kukar.sch.id/__statics/gudangsoal/files/getrobux-info_GM431946152.pdfIn PDF document text
- https://elearning.mtsn2kukar.sch.id/__statics/gudangsoal/files/coin-master-hack-download-android_GM406889139.pdfIn PDF document text
- https://elearning.mtsn2kukar.sch.id/__statics/gudangsoal/files/minecraft-hacks_GM479516143.pdfIn PDF document text
- https://elearning.mtsn2kukar.sch.id/__statics/gudangsoal/files/get-free-minecraft-account_GM479516143.pdfIn PDF document text
- https://elearning.mtsn2kukar.sch.id/__statics/gudangsoal/files/free-money-and-spins-coin-master_GM406889139.pdfIn PDF document text
- https://elearning.mtsn2kukar.sch.id/__statics/gudangsoal/files/free-2021-robux_GM431946152.pdfIn PDF document text
- https://elearning.mtsn2kukar.sch.id/__statics/gudangsoal/files/how-to-get-free-robux-without-doing-anything-2021_GM431946152.pdfIn PDF document text
- https://elearning.mtsn2kukar.sch.id/__statics/gudangsoal/files/cool-minecraft-hacks_GM479516143.pdfIn PDF document text
- https://elearning.mtsn2kukar.sch.id/__statics/gudangsoal/files/coin-master-hack_GM406889139.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_off000048ea.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x48EA	25484 bytes
SHA-256: `95e10ae100c30b41ffeebe1fee6668e633eda0d9f059cc2ae359a695c07feaee`
`font_01_sfnt_off000083a4.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x83A4	2880 bytes
SHA-256: `10d025f04f706eb71cdda4f99784df1b9ccb52e48080e43095e0398eaef6f132`
`font_02_sfnt_off00008d8e.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8D8E	18836 bytes
SHA-256: `d746a7c1c5cf5be311eddf8676cfb9402845d24e0d8fc8e00b27a1d9de62f851`

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