MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous embedded links, many pointing to a redirector service (ttraff.ru) and a large number of PDFs hosted on Shopify. This suggests a link farm or SEO manipulation tactic to distribute malicious content. The ML classifier strongly flagged this PDF as malicious, and the presence of redirector links indicates a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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.ru/pify?keyword=uninstall+brew+package In PDF document text
- http://files.warp-drive-physics.com/uploads/1/3/2/7/132712614/606006d9ee1cb8a.pdfIn PDF document text
- http://files.cafe643.com.au/uploads/1/3/1/6/131606211/87936ac.pdfIn PDF document text
- http://files.marcelastrasdas.com/uploads/1/3/2/7/132740260/875de3ac792b7.pdfIn PDF document text
- http://files.thehackney.com/uploads/1/3/2/8/132814155/romokader.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9622/0572/files/73539319346.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3430/3912/files/vesafelulanisus.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1587/2423/files/mobovufatilubuxafubej.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9386/8187/files/vilagubujalopul.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6528/6564/files/64323298462.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6533/4165/files/41801244756.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6447/5299/files/aventura_los_infiles.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4217/7181/files/69942024028.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/vejumilaro.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/8520/7454/files/zuzerumuloborufavawilis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5431/8239/files/convert_kb_to_gb.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2281/9233/files/6562511716.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000613f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x613F | 5388 bytes |
SHA-256: 8e96a8803ed9bb5926ce0f711a739ce9bd871bb8daf847e379c7a8a9f0585cc8 |
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font_01_sfnt_off000073b8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x73B8 | 11100 bytes |
SHA-256: af60d336626e8793fa8b099bac39a4e75a71ee6dd90b68de7147110d8f972248 |
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font_02_sfnt_off000099c8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x99C8 | 16312 bytes |
SHA-256: 975089639afea594160f6daa1ae948ffc4125994d61a9fd32dce02580f7b6b15 |
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