MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of external links, many of which are designed to appear as legitimate documents but lead to a redirector. The primary malicious URL identified is https://ponafet.ru/strik?utm_term=who+will+pick+up+donated+furniture, which is likely used for phishing or to serve a second-stage payload. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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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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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External URI info PDF_URIPDF contains an external URL action
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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://ponafet.ru/strik?utm_term=who+will+pick+up+donated+furniture PDF link annotation
- http://carinsusa.info/spectrum_math_workbook_grade_8_free92cvz.pdfIn PDF document text
- https://s3.amazonaws.com/pevuwarobuvowa/pinuvubivo.pdfIn PDF document text
- http://kuwofadenokul.iblogger.org/kundalini_shakti_book.pdfIn PDF document text
- https://s3.amazonaws.com/mufukep/psychology_of_web_design.pdfIn PDF document text
- https://s3.amazonaws.com/somisilegex/libro_como_ganar_amigos_e_influir_sobre_las_personas_resumen.pdfIn PDF document text
- http://varuzajuv.22web.org/lanric_cable_ladder_catalogue.pdfIn PDF document text
- https://s3.amazonaws.com/jagux/fcra_investigative_consumer_report_authorization.pdfIn PDF document text
- http://hurricane1.space/kabaddi_score_sheet_hdr6078.pdfIn PDF document text
- http://velavedi.iblogger.org/string_format_method_apex.pdfIn PDF document text
- http://levantemosaic.com/how_to_connect_hp_laserjet_m1212nf_mfp_to_wireless_networkiy2xh.pdfIn PDF document text
- https://s3.amazonaws.com/tawosutosuxi/is_it_better_to_cut_hair_wet_or_dry_with_clippers.pdfIn PDF document text
- https://s3.amazonaws.com/xijilesuzuxo/filijejep.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://557345b1-98c6-442d-b460-9e357c178e5b.filesusr.com/ugd/dfb5f8_c9e51c823b294480861b79a8f76f5b06.pdf?index=trueIn PDF document text
- http://kotafonapajawut.epizy.com/the_hierophant_tarot_love_outcome.pdfIn PDF document text
- http://dutuzapeka.rf.gd/network_marketing_business.pdfIn PDF document text
- http://regisebe.epizy.com/52334283758.pdfIn PDF document text
- https://ac4cd5cf-e861-4b1b-a585-e47049f737a6.filesusr.com/ugd/843280_3dd74ebc581743ff8b476656c167f7f5.pdf?index=trueIn PDF document text
- http://raziwisubuza.rf.gd/gopro_hero_6_black_user_guide.pdfIn PDF document text
- https://0793e221-2e7e-4176-aae8-4ff4b75d8f7a.filesusr.com/ugd/64bd79_335fc2d7b45048428b574f770c090c46.pdf?index=trueIn PDF document text
- https://979cd01f-16ea-4d2c-b189-234964c95597.filesusr.com/ugd/d4c4cf_a620e4ef72a74a1ca893016149caf1ce.pdf?index=trueIn 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_off0000e799.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE799 | 5236 bytes |
SHA-256: cbfb98c4f2acde2fe462e1e216bb270d227fca306be27c0b62ebf563260b8eec |
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font_01_sfnt_off0000f980.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF980 | 10732 bytes |
SHA-256: e026196a7d77d40364e168ca89503e19368419a0ad4a46864a4acde6f7812579 |
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