MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple heuristic firings indicating it is a malicious redirector, specifically designed for phishing or malware distribution. The embedded URL, https://traffine.ru/strik?utm_term=free+service+dog+certificate+pdf, is identified as a malicious redirector. The document body, though heavily obfuscated, suggests a lure related to a 'free service dog certificate'.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://traffine.ru/strik?utm_term=free+service+dog+certificate+pdf In PDF document text
- https://cdn-cms.f-static.net/uploads/4481671/normal_5faf09e2139e4.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4384310/normal_5fb2793f5c8c0.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4462985/normal_5fa393af722f4.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4426941/normal_5f9a2b72c37a2.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4387060/normal_5f8e77349b65e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4391001/normal_5f90e3fce958d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4427105/normal_5f9db21d8d209.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4413368/normal_5fa7ef20c25ec.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/zazelujeju/862254879.pdfIn PDF document text
- https://s3.amazonaws.com/levovod/play_duck_life_4_hacked_unblocked.pdfIn PDF document text
- https://s3.amazonaws.com/fodose/camera_gadget_for_android.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d8c3b7dc-4819-421c-9ecf-f73cfbaa3a35/electrnica_de_potencia_circuitos_di.pdfIn PDF document text
- https://s3.amazonaws.com/fizup/placas_de_reconocimiento_para_pastores.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_off0000e7ec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7EC | 5304 bytes |
SHA-256: 7db1b2bebe7e26808396f407eae97afacb85b929c10a332c401bd240c11e8b4b |
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font_01_sfnt_off0000fa19.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA19 | 10744 bytes |
SHA-256: f6b3104b3e3e58e85715018f4cdb8a18b76dbd5bfa67bf577f96f37a061b7fd3 |
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