MALICIOUS
254
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
This PDF file was flagged as malicious by multiple heuristics, including a critical finding for linking to known malicious redirector infrastructure. The embedded link, 'https://traffking.ru/123?utm_term=sec+swimming+results+2020', is designed to redirect users to potentially harmful content. The presence of numerous external PDF links, including one to 'https://wivupenoremew.weebly.com/uploads/1/3/0/7/130775018/nukaxoxiwajujuzov.pdf', suggests a link farm or phishing attempt disguised as search results or a download.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 6
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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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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://traffking.ru/123?utm_term=sec+swimming+results+2020 In PDF document text
- https://wivupenoremew.weebly.com/uploads/1/3/0/7/130775018/nukaxoxiwajujuzov.pdfIn PDF document text
- https://s3.amazonaws.com/mamukawaxatali/bokuk.pdfIn PDF document text
- https://cdn.sqhk.co/wunokebewoz/jijifhc/police_chase_games_apk_download.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4379500/normal_5fd6c7bab83bc.pdfIn PDF document text
- https://s3.amazonaws.com/lebaxa/45864315513.pdfIn PDF document text
- https://jezitazosebizag.weebly.com/uploads/1/3/4/7/134700096/2796375.pdfIn PDF document text
- https://s3.amazonaws.com/wizuluworafid/mystic_messenger_v_endings_guide.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4372737/normal_5f93f23565371.pdfIn PDF document text
- https://cdn.sqhk.co/sisadenev/iighhhg/nwsl_soccer_league_teams.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4365601/normal_5fa9ace83f6b1.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4365551/normal_5f873c1bef7da.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4376098/normal_5f8dad1425ff4.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/ec192b8f-63a7-46be-a190-5177ba075c16/67447529386.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c87bda3e-2418-4b03-8e21-68ecf80491e7/15333604871.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000eac6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEAC6 | 5376 bytes |
SHA-256: 47252585791460af2874fd2bf606796fd8c579f60ad3df2e4fdf9d018950e341 |
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font_01_sfnt_off0000fd0f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD0F | 2508 bytes |
SHA-256: 51fdb87e165cf230d07523ec378e7965393c37f1e764cc9f4a3bffc10c788174 |
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font_02_sfnt_off00010809.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10809 | 11184 bytes |
SHA-256: 0432027a395a489b6ca62638c049ef9f1898a6fc0b80fb8681d38d801abbabc8 |
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font_03_sfnt_off00012e72.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E72 | 16304 bytes |
SHA-256: 334a632046566dba1e13aa2ad28522ffc4701ff005b1d667d8ded0e84145bcf3 |
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