MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains embedded links that redirect to known malicious infrastructure, specifically `https://traffking.ru/strik`. This is further supported by heuristic firings indicating a malicious redirector and a phishing lure. The ML classifier and ClamAV detection also strongly indicate malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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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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://traffking.ru/strik?utm_term=free+travel+guide+for+switzerland In PDF document text
- https://cdn-cms.f-static.net/uploads/4377925/normal_5fb9c6e90e52f.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4366324/normal_5fc5d3e0a3c2e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4450356/normal_5f9e4bafe3b88.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366653/normal_5fd1451276200.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4370303/normal_5f93f9dab35e1.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4414689/normal_5fccb3b1e0d5e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4370780/normal_5fa38ac57d1a5.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4381320/normal_5f8ec2d5740af.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://static1.squarespace.com/static/5fc0d7ac403f5353fd956fc5/t/5fc1c669f81c9a2a0ce3cd56/1606534762822/2420696975.pdfIn PDF document text
- https://static1.squarespace.com/static/5fc5b7ce60f2895dc108d09c/t/5fc9792297cced73bdc09145/1607039267102/bujesorisaxa.pdfIn PDF document text
- https://s3.amazonaws.com/lomuper/97011373761.pdfIn PDF document text
- https://static1.squarespace.com/static/5fc101809698b02c7f2130ce/t/5fc6ad363570fb44d1ef4a4a/1606855990760/6913630506.pdfIn PDF document text
- https://s3.amazonaws.com/samopakamefap/xutel.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_off0000ec1b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC1B | 5232 bytes |
SHA-256: e90832dad4fcbd95a820740fd4d8aa58bac9b5070899f4cc23d7bdfccf802aad |
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font_01_sfnt_off0000fe18.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE18 | 10832 bytes |
SHA-256: 1b48ffe815d251e182446f7396627f5809dd5dc8da9ef3274c3adaccf528b9ce |
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