MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 User Execution: Malicious File
The PDF contains a large number of external links to various PDF files hosted on disposable domains, indicating a link farm or SEO manipulation tactic. The ClamAV detection and ML classifier strongly suggest malicious intent, likely phishing or malware distribution. The embedded URLs and the heuristic firings for PDF_SEO_LINK_FARM and PDF_SEO_DISPOSABLE_LINK_FARM support this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
Heuristics 6
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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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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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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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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://vilenefex.ru/wix?keyword=dolores+cannon+the+convoluted+universe+book+1+free+pdf PDF link annotation
- https://tupeduwexawagov.weebly.com/uploads/1/3/1/6/131607208/342898.pdfIn PDF document text
- https://wumotobabupe.weebly.com/uploads/1/3/0/7/130775865/xuwoxirerilira.pdfIn PDF document text
- https://jadibezunapav.weebly.com/uploads/1/3/4/6/134610372/nagewewuriz.pdfIn PDF document text
- http://jonebukusopovet.mygamesonline.org/circulatory_system_worksheet_grade_6.pdfIn PDF document text
- https://cdn.sqhk.co/naboxolat/bmjdGhh/83796914315.pdfIn PDF document text
- http://parrrtner.xyz/webagujadajesijilibso1he.pdfIn PDF document text
- https://cdn.sqhk.co/zedujunuwuxe/dthejjK/binary_logistic_regression_interpretation_of_results.pdfIn PDF document text
- http://1eyvgo.xyz/how_to_treat_arthritis_in_shoulder_and_necklnjyz.pdfIn PDF document text
- http://cmb-societe.com/total_studio_2_max_review5o5gh.pdfIn PDF document text
- https://cdn.sqhk.co/somisafeg/gjJjgha/sarizomuzobafemo.pdfIn PDF document text
- https://cdn.sqhk.co/jigugabopu/hAbvJhi/magiwisawaxeb.pdfIn PDF document text
- https://cdn.sqhk.co/lalivaga/Tja8OIX/best_tiktok_video_app.pdfIn PDF document text
- http://viewcreditscore.info/80066212682z8ybt.pdfIn PDF document text
- https://vujufosidomo.weebly.com/uploads/1/3/1/4/131482916/gavojupuwededuz.pdfIn PDF document text
- http://xedeporib.medianewsonline.com/1970_ford_mustang_mach_1_428_cobra_jet_value.pdfIn PDF document text
- https://tiwibuvemugijaj.weebly.com/uploads/1/3/0/7/130776889/popupi-tilililorelez.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://b2d1eea7-aef5-47fc-962c-88b5513ecafc.filesusr.com/ugd/3a57bc_7cbc438658e4478d833198449cf4ba2e.pdf?index=trueIn PDF document text
- https://e8677ced-6330-435e-8237-200fb10408a4.filesusr.com/ugd/a4c1fa_ba7f912528d74986a98fafbb861494af.pdf?index=trueIn PDF document text
- https://0ecef3a8-5193-4df1-8dcb-1b7dd0f2be2a.filesusr.com/ugd/e6092c_25415f79fe814a95a85f02254493f337.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/9d2797b7-3f63-479e-af9e-61b2d0b02b9f/lerobiv.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e4a1504a-7596-43f9-bd07-22e17fdc7c26/zixafor.pdfIn PDF document text
- https://b9387e75-0942-48a6-8a47-0bd3f0224277.filesusr.com/ugd/fc485c_f1c89097ee9a4a5abfa7f65cf54a4308.pdf?index=trueIn PDF document text
- http://fekejuw.atwebpages.com/17723886243.pdfIn PDF document text
- https://459ec6dd-5b69-4322-a182-74abbfaa0e48.filesusr.com/ugd/221eaa_5d3f670e7b0142ca96b8a7c7e178e44e.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_off0000f27b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF27B | 5556 bytes |
SHA-256: 6bfa3e321d85949e6ed7d3fd7d5883f10ea26d2187aeb9e47f19d2eeec10ed51 |
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font_01_sfnt_off00010566.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10566 | 11592 bytes |
SHA-256: 5476157d0bbf93f6f62b3fd332caa0d4608cfd99c5653f52c1f1ec8b04840451 |
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