MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a link that redirects to malicious infrastructure, identified by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body also contains the same redirector URL, suggesting a phishing or scam attempt to lure users into downloading potentially malicious content. The ML classifier strongly indicates maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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/wb?keyword=learning%20embedded%20android%20n%20programming%20pdf%20download In PDF document text
- http://files.allensteadham.com/uploads/1/3/1/8/131872017/f442287addb62e.pdfIn PDF document text
- http://xudet.professionaleyetusc.com/uploads/1/3/1/3/131383377/luzenizonemu_kirovegipozag.pdfIn PDF document text
- http://files.gabysartgallery.net/uploads/1/3/1/6/131606453/342fc47886.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/1/0439/3605/5454/files/21265227186.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/0382/2755/files/save_webpage_as_firefox_windows_10.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0736/0667/files/pewonesokubiles.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7543/5677/files/4539356906.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6569/4613/files/dabimelusexi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9768/5157/files/76369879582.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/7747/4206/files/lofugokizuragurupitikopav.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9562/1796/files/57600731834.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6323/0116/files/investment_science_solutions_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6137/1290/files/datukugapobatogidexebe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7152/7325/files/analisis_toxicologico_de_cannabinoides_en_orina.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/32686583269.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0364/2007/files/buy_roblox_exploits.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9063/1064/files/54107735870.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
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000604e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x604E | 5356 bytes |
SHA-256: 5c6ecfccd2bec9cdbadb9a7d4bb1d3784ec49c496142ee73290aaed284efe8dc |
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font_01_sfnt_off0000727f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x727F | 9908 bytes |
SHA-256: 7752a2203f7ce1264ce8d5776ef316a9960ceb958accb5fd39a46adec84ff0d9 |
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