MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, many pointing to disposable hosting services, indicating a link farm or phishing attempt. Heuristics confirm the presence of malicious redirector links and a large number of external PDF links. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or SEO spam.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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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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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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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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://crophysi.ru/strik?utm_term=historical+development+of+the+concept+of+life+pdf In PDF document text
- https://zosetujisux.weebly.com/uploads/1/3/4/2/134266291/moxozun.pdfIn PDF document text
- https://tukumexof.weebly.com/uploads/1/3/4/7/134721389/xovidoni_kerudetowew.pdfIn PDF document text
- https://fumunavizagoz.weebly.com/uploads/1/3/4/2/134235019/poledevelasak.pdfIn PDF document text
- https://kuxesilivalagi.weebly.com/uploads/1/3/5/9/135963561/6656505.pdfIn PDF document text
- https://bovimifukid.weebly.com/uploads/1/3/4/8/134882826/f8a2be2ecf7c2.pdfIn PDF document text
- http://zugapuvu.mywebcommunity.org/how_to_avoid_pattern_day_trader_rule_robinhood.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4477877/normal_5fffff2495d85.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4408462/normal_5fe8488dbc14f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4410194/normal_5fe79928891ae.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4408712/normal_605258e4f261b.pdfIn PDF document text
- https://gazasajud.weebly.com/uploads/1/3/4/8/134879445/gumoduvozeninorazid.pdfIn PDF document text
- https://suwudaxodorepe.weebly.com/uploads/1/3/4/8/134885248/javosutuduwi.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4404953/normal_600cef4e7983d.pdfIn PDF document text
- https://duvokazi.weebly.com/uploads/1/3/4/1/134108747/1957931.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/fedure/79078341775.pdfIn PDF document text
- https://0404cab7-c021-4537-be79-420bcb2f88cc.filesusr.com/ugd/52c240_6f9ac99863d74a11b0a81b87325241fa.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/dubiditiginowo/restaurant_honfleur_guide_michelin_2017.pdfIn PDF document text
- https://s3.amazonaws.com/datarofapakil/44547343545.pdfIn PDF document text
- https://s3.amazonaws.com/nuselufuzo/n_h_letter_whatsapp_status_video.pdfIn PDF document text
- http://zijiwaras.onlinewebshop.net/aptitude_test_questions_and_answers_infosys.pdfIn PDF document text
- https://4eff3ec4-d147-45d1-be73-876d9e1d0019.filesusr.com/ugd/efb3f0_ec8ff56547f347d58e22f678d7014231.pdf?index=trueIn PDF document text
- https://1c92f6d8-19eb-429c-9239-1cf6be91372f.filesusr.com/ugd/cc1a03_51fddd39ccaa4533b51bdc073d87b146.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_off0000f84a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF84A | 5416 bytes |
SHA-256: f14a6c004ac560ae9b8056bcbb47f49ade68bba85fee36d81a4e535cc317eeb6 |
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font_01_sfnt_off00010a90.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A90 | 10652 bytes |
SHA-256: 5687246a49474e26213e7c7aaa9d70f68179d38e3a9caa2292c0a72a9cfa1932 |
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