MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
This PDF document contains a malicious redirector link disguised as information about 'corel draw' window elements. The primary malicious URL, https://ttraff.cc/wix?keyword=elementos+de+la+ventana+de+corel+draw, is flagged as a known malicious redirector. The document also functions as a link farm, pointing to numerous PDFs hosted on static.usrfiles.com, likely for SEO manipulation or to distribute further malicious content. The ML classifier strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF 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.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall 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.
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne 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://ttraff.cc/wix?keyword=elementos+de+la+ventana+de+corel+draw
- https://static.usrfiles.com/ugd/5360f8_869cfb7be74d4a46831bb5503e9090b4.pdf
- https://static.usrfiles.com/ugd/b8c837_699892ac357241d5b7e9cd3e6467d43f.pdf
- https://static.usrfiles.com/ugd/80c1db_654aacf805df4b8eb7ff3b11fd5031a3.pdf
- https://static.usrfiles.com/ugd/accd1f_ed2c7efcb3ce4f87b64095adf4800bf1.pdf
- https://static.usrfiles.com/ugd/8b97dd_e318e3e07f7743eca5a7f5b5d90edccb.pdf
- https://static.usrfiles.com/ugd/b8c837_2d075c833b8c441498b884f0f9adf0fa.pdf
- https://static.usrfiles.com/ugd/b7306e_8105d3346a88447bba86946f04fe278c.pdf
- https://static.usrfiles.com/ugd/b8c837_6f55d30d1969493a8c846f735179d617.pdf
- https://cdn.shopify.com/s/files/1/0430/9050/9973/files/12926943070.pdf
- https://cdn.shopify.com/s/files/1/0430/8379/2545/files/how_to_download_jw_player_videos.pdf
- https://static.usrfiles.com/ugd/599026_28c8f3822fdc427baaad7c3d2a322e69.pdf
- https://static.usrfiles.com/ugd/b8c837_543d269272a24a689d5f9a5bbf8546a8.pdf
- https://static.usrfiles.com/ugd/299074_7b7def9478674cbca6ed0a2dd5beb2a5.pdf
- https://static.usrfiles.com/ugd/b9801a_861c7bf2ac9f472f9ed65c80276a4c3c.pdf
- https://static.usrfiles.com/ugd/cac9e4_441ae8dd4f2e4e3ea6cf178a911c678e.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000061da.binb7921292b520e1d7689a9c16d1c39adb49d01506819c779e773d65c6ab583813 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x61DA | 5192 bytes |
font_01_sfnt_off00007383.bin3e15187d91c241f8227ace8218e86f77ae537125b15d9504c376831e7b1c51a9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7383 | 10588 bytes |
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