MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious File
The PDF file contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.me'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded URLs pointing to Shopify-hosted PDF files. The ML classifier strongly flagged this PDF as malicious. The primary attack pattern appears to be the distribution of malicious links disguised within a seemingly innocuous document.
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.me/wix?keyword=comment+representer+le+sable+en+peinture
- https://cdn.shopify.com/s/files/1/0428/1221/1359/files/worldfree4u_bollywood_movies_hd_2017.pdf
- https://cdn.shopify.com/s/files/1/0433/3341/9166/files/biology_matters_textbook_free_download.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/43127542751.pdf
- https://static.usrfiles.com/ugd/4ae4db_0c455177de96484ab2f65a34010c9bb8.pdf
- https://cdn.shopify.com/s/files/1/0436/2492/3298/files/83850947340.pdf
- https://cdn.shopify.com/s/files/1/0429/8804/4447/files/lesekiwuwumivepawuvezese.pdf
- https://cdn.shopify.com/s/files/1/0433/9158/2357/files/trends_across_the_periodic_table.pdf
- https://cdn.shopify.com/s/files/1/0431/1557/7504/files/19859942749.pdf
- https://cdn.shopify.com/s/files/1/0429/5429/3402/files/nuvugugunuruvakejonejid.pdf
- https://cdn.shopify.com/s/files/1/0449/9865/6158/files/harvest_moon_another_wonderful_life_rom.pdf
- https://cdn.shopify.com/s/files/1/0431/6099/3943/files/www_starmusiq_com.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_off00005bfa.bina5dc87d3cc16515460f5ba934d2bd7d76497461b6d6d51870dc346365665c055 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5BFA | 5012 bytes |
font_01_sfnt_off00006cdc.binc11468b5aa2b0ad0296977eee3faedfcf264596f7c1a429d6043ff8040a16f1f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6CDC | 11608 bytes |
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