MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links pointing to a known malicious redirector, identified by heuristics as an SEO redirector for free-download phishing. The ML classifier and ClamAV detection strongly indicate malicious intent. The primary IOC is the malicious URL used in the lure.
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://yafferge.ru/strik?utm_term=family+feud+game+download+ios In PDF document text
- https://cdn-cms.f-static.net/uploads/4468531/normal_6026e6dad2a16.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4420743/normal_5febe9572f710.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4388407/normal_5fe3494b5b78b.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4477892/normal_5fdf245caaf4b.pdfIn PDF document text
- http://sunufosabupes.scienceontheweb.net/hp_1102w_wireless_setup_windows_10.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4443325/normal_5ff50a2a8b057.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4490752/normal_6013b13d1d2a3.pdfIn PDF document text
- http://sevezor.scienceontheweb.net/que_significa_estilo_de_vida_occidental.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4490534/normal_601fae99b21d3.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://s3.amazonaws.com/mizeteb/ged_science_practice_test_with_answers.pdfIn PDF document text
- https://s3.amazonaws.com/farowug/zeduparofireveravid.pdfIn PDF document text
- https://s3.amazonaws.com/remeranexe/angular_viewchild_template_variable.pdfIn PDF document text
- https://s3.amazonaws.com/numunenoji/bezusisegi.pdfIn PDF document text
- https://s3.amazonaws.com/zifilobesumafi/jarosiribekuxewemesekekum.pdfIn PDF document text
- https://s3.amazonaws.com/gonima/excel_sheet_for_concrete_mix_design.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_off0000ded7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDED7 | 5080 bytes |
SHA-256: 42f9bc5f8914a7f43676c6d61957aec480e139e50670c1cbbe9c146b816d439f |
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font_01_sfnt_off0000f02a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF02A | 10292 bytes |
SHA-256: 4e3fc6fb87037b9654b2a672290326181a7e1eed924e03811152dfcdd2d9487d |
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font_02_sfnt_off0001131f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1131F | 4324 bytes |
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f |
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