MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
This PDF document contains a large number of embedded links, many of which point to a redirector service known to host malicious content. The document's content and structure suggest a phishing or scam attempt, masquerading as a technical document to entice clicks. The ML classifier strongly indicates maliciousness, and the presence of numerous SEO-optimized links further supports a malicious intent to drive traffic to harmful sites.
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.cc/wb?keyword=coal%20fired%20power%20plant%20process%20flow%20diagram%20pdf In PDF document text
- http://files.spilt-salt.com/uploads/1/3/0/7/130775828/916198.pdfIn PDF document text
- http://files.kymoversandmakers.com/uploads/1/3/1/3/131383467/2903792.pdfIn PDF document text
- http://files.mcyyang.com/uploads/1/3/1/8/131857916/9085229.pdfIn PDF document text
- http://files.shopqal.com/uploads/1/3/0/8/130813732/445206.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://fotifumiwo.files.wordpress.com/2020/06/wigimigatade.pdfIn PDF document text
- https://jakuwil.files.wordpress.com/2020/06/16471271598.pdfIn PDF document text
- https://jidiluda.files.wordpress.com/2020/06/95891308370.pdfIn PDF document text
- https://vamufif.files.wordpress.com/2020/07/16069093947.pdfIn PDF document text
- https://sajovuvinar.files.wordpress.com/2020/07/vosezosugixiwemasukijuki.pdfIn PDF document text
- https://jenunosij.files.wordpress.com/2020/06/79454869758.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/59022585862.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1705/2053/files/21169463537.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5511/1589/files/mitujalu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7148/0742/files/zisaririnavofejotijod.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6726/9532/files/79014522416.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5205/7244/files/gululepa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3334/6719/files/pakowiraxevuzoriberimat.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/gomejalubewetilukifij.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5802/1027/files/taxodajuloferowerakukelo.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_off0000c9b7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC9B7 | 5376 bytes |
SHA-256: 7e0a1b3916fc19210e74f83d9f4389db74ee16ec867fe05d3c48f70c8f90e95e |
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font_01_sfnt_off0000dbfe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDBFE | 11008 bytes |
SHA-256: 6418e18fcd61d0efee74cd26a150dc9d33ed34962ffe9a0fcdaad3d704e31f0d |
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