MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
The PDF contains numerous links, many of which point to a redirector service that is known to host malicious content. The document body, though heavily obfuscated, contains a URL that appears to be part of a lure for a "free PDF to Excel converter," which is a common phishing tactic. The ML classifier also strongly indicated maliciousness.
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.com/wb?keyword=conversor%20de%20pdf%20a%20excel%20portable In PDF document text
- http://files.ducksoupntreats808.com/uploads/1/3/1/3/131383825/5937826.pdfIn PDF document text
- http://files.plusvacationrental.com/uploads/1/3/2/6/132683357/xizibidifilana.pdfIn PDF document text
- http://zekinila.dudleysafes.com/uploads/1/3/1/3/131380005/25c8baad520.pdfIn PDF document text
- http://files.pierpontchurch.com/uploads/1/3/0/8/130813841/nelubuxezu-feroxawalinezob.pdfIn PDF document text
- http://naxirepe.allaboutfloors.com/uploads/1/3/1/4/131452976/vusim.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/xoxolesusoziviro.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9875/0629/files/gonejewukexidibozota.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/7573/7502/files/69354753506.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0595/9588/files/gutizagakakowido.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8374/2884/files/togof.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3196/9438/files/fisowexo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1718/2104/files/52435375508.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2376/0536/files/kabuzinurajeguvinezukazu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2398/3015/files/9106759489.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6839/1591/files/ripisoseta.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7947/6134/files/woxonatomezaj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6903/1078/files/bytecode_in_java.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7314/2935/files/riwixalumuvibekikijuza.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007702.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7702 | 5180 bytes |
SHA-256: 641bdbeb54dfe12dda6f197bb102783a9d3309deab4cb30ac2685f0cc0fc96fc |
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font_01_sfnt_off000088b0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x88B0 | 11460 bytes |
SHA-256: 2bcacb4aec36c1fbe54425f46ed6d48b1344ffe244238416d4273aaee560c9fc |
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font_02_sfnt_off0000adca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xADCA | 4324 bytes |
SHA-256: 8405bb6ca9a6fb718a2e910e1cdde4d74ac2122cab0061dc5f772322db9c7ccd |
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