MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links, many pointing to disposable hosting and redirectors, indicating a link farm designed to obscure malicious destinations. One critical heuristic identified a link to known malicious redirector infrastructure. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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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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://yafferge.ru/wix?keyword=why+did+islam+spread+so+quickly+answers In PDF document text
- https://cdn.sqhk.co/bofadulal/6jbihoN/pudebereradigetaweganapo.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4409239/normal_602ff0706a32a.pdfIn PDF document text
- http://kikebumanexewuj.22web.org/19151360859.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4393911/normal_60297cb0b8cd3.pdfIn PDF document text
- https://cdn.sqhk.co/sesekopusoj/MpgcgcN/menosego.pdfIn PDF document text
- http://libertinemodels.com/63623048567aclxb.pdfIn PDF document text
- http://xugerovogubex.22web.org/largest_information_technology_companies_in_europe.pdfIn PDF document text
- https://cdn.sqhk.co/zasemewiti/eCu2NJZ/32612903884.pdfIn PDF document text
- http://stroymarketmetal.ru/93596631358u04uk.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4475197/normal_5fd89e23e1a15.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://3c86e5df-9a55-47dd-9d5b-c207b25ec6cd.filesusr.com/ugd/72bf36_3fd830bf395a42e1a7dd9de87edd3d9e.pdf?index=trueIn PDF document text
- https://cf075d60-af7c-4c71-a16c-5c8c125a9bb7.filesusr.com/ugd/cc03df_9bbf9d2d9f7d425f887ff71fabd40c97.pdf?index=trueIn PDF document text
- http://kebowikosu.epizy.com/3935142299.pdfIn PDF document text
- http://difesasud.epizy.com/37765654725.pdfIn PDF document text
- http://sogefotasir.epizy.com/dawexamogapinekizab.pdfIn PDF document text
- https://c0b8f06b-4e98-4d3d-89ef-2f08caba629a.filesusr.com/ugd/0c8cc8_eaf5a86e39dd442bb14c7f00ec3db810.pdf?index=trueIn PDF document text
- http://lapekekefexe.rf.gd/140cc_powermore_engine_reviews.pdfIn PDF document text
- https://c788b29d-df2d-4d46-9946-349e8cce89b7.filesusr.com/ugd/a9e086_b1d02ffb1b2b4d7989d8e91e6e976f96.pdf?index=trueIn PDF document text
- http://lunowakaneruf.rf.gd/cuanto_es_un_metro_cubico_en_pulgadas.pdfIn PDF document text
- https://6593eeda-10fe-4128-810f-cbbc79f0a4f8.filesusr.com/ugd/c0a4bf_ed53da308d454485b315c2ba81d96cca.pdf?index=trueIn PDF document text
- http://riremeg.rf.gd/download_the_weeknd_starboy_album_free.pdfIn PDF document text
- http://xojorefalez.rf.gd/82659861770.pdfIn PDF document text
- http://famefikapipu.epizy.com/93792891653.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_off00010218.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10218 | 5512 bytes |
SHA-256: cc1a8a1d1efca74f2e3d1e1b2f738c2ca26b55c363bcb7abdfbf5d5ae44c39a9 |
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font_01_sfnt_off000114c1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x114C1 | 10864 bytes |
SHA-256: d05708d27418037960fdfeba0fc05ec72b5d2a662647464a400dc16a41904b96 |
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font_02_sfnt_off000139ac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x139AC | 4324 bytes |
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
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