MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains a large number of external links, many pointing to disposable hosting, suggesting a link farm or SEO manipulation tactic. The ClamAV detection and ML classifier strongly indicate malicious intent, likely phishing or malware distribution. The embedded URL points to a domain associated with a link farm, which is a common lure for phishing or malware delivery.
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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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://zajinet.ru/strik?utm_term=how+to+determine+bearing+capacity+of+soil PDF link annotation
- https://cdn-cms.f-static.net/uploads/4372735/normal_602429518d182.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4482002/normal_5fc5754c0173d.pdfIn PDF document text
- http://wuwibapuwete.22web.org/carpal_tunnel_syndrome_journal.pdfIn PDF document text
- http://kutufirix.iblogger.org/77962226267.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4387412/normal_5fcdd4a6e891c.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/7ad4b2f9-465f-4c2a-adab-163ad0935f26/70424145698.pdfIn PDF document text
- https://s3.amazonaws.com/mojivikapeti/how_to_use_kirby_vacuum_cleaner.pdfIn PDF document text
- https://s3.amazonaws.com/gagagakigibapo/fuwovobu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/19590ab6-bd70-4b09-86aa-69f98baa1c7d/how_to_tell_if_your_transmission_fluid_is_leaking.pdfIn PDF document text
- https://s3.amazonaws.com/tifuwuw/bandhan_bhojpuri_audio_song.pdfIn PDF document text
- https://aaa8450b-5959-4376-bf95-5e5e4b45aab3.filesusr.com/ugd/bcfc74_b2a87e421cbf4232a07a14dbf68d6fc2.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/f318224e-ee8f-4447-a239-ece2dfc7df8b/la_odisea_resumen_corto.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0918c8de-fe48-4506-b055-c9175fe5febc/how_to_write_a_research_paper_outline_middle_school.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/045b5045-0614-4645-aa9c-739814ab200e/element_tv_remote_codes_optimum.pdfIn PDF document text
- https://63150c49-9e7f-4923-bc7a-1e4049050ce6.filesusr.com/ugd/cba449_0313b7c15c394888968e182d24c09dae.pdf?index=trueIn PDF document text
- https://006b50d4-ad2a-4261-8279-34542eb0d7b0.filesusr.com/ugd/a640e9_8259581bc8194198a0d5e25fb425978a.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/7e5283c4-bd39-4828-8f08-a946aa4e4bfd/xfinity_x1_box_will_not_turn_on.pdfIn PDF document text
- https://s3.amazonaws.com/tawosutosuxi/8265874064.pdfIn PDF document text
- http://vaxuraribo.rf.gd/71227038693.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1591d485-f2bb-41ba-8d79-4b1207878f5b/dasopuwemulorurumazululix.pdfIn PDF document text
- https://b064d0e4-88d6-4b7e-8087-8ebf790fcba6.filesusr.com/ugd/ca32a8_7adecd3592fe4ec9b4370b4e5111a6e3.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_off0001067b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1067B | 5768 bytes |
SHA-256: 55cbdd782250c4c8686db57ee3d287571b0d19bc6dd418774a4e7fdc55f88bed |
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font_01_sfnt_off00011a1f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A1F | 12796 bytes |
SHA-256: 0d53dc594d4ecfabcd698b4057ca5e406b2962dc22c348d56a6b3d0ce28e9e07 |
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