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 domains, suggesting a link farm or SEO spamming operation. The primary URL, 'https://jottigo.ru/strik?utm_term=systematic+theology+grudem+pdf+free+download', is presented as a search result, likely to trick users into downloading further malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
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://jottigo.ru/strik?utm_term=systematic+theology+grudem+pdf+free+download PDF link annotation
- https://cdn-cms.f-static.net/uploads/4473052/normal_605159aac7ab0.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4369776/normal_5fcbb0487eb7d.pdfIn PDF document text
- https://gunubamevozapub.weebly.com/uploads/1/3/3/9/133997290/mubalikibotetofifa.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4485005/normal_60114aa8f404d.pdfIn PDF document text
- https://palujaburufo.weebly.com/uploads/1/3/2/7/132740236/03effdfe.pdfIn PDF document text
- https://vekiruwubutut.weebly.com/uploads/1/3/1/0/131070393/kexotadi_sewemenipe_miwererojanamuk_jeligasogeg.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4413017/normal_60024b66d6216.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4454543/normal_600a1dbaa885a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4464524/normal_602b2caf9365d.pdfIn PDF document text
- https://pugixodazujok.weebly.com/uploads/1/3/2/7/132710779/8505682.pdfIn PDF document text
- https://kudojiluro.weebly.com/uploads/1/3/4/4/134441165/xixadijunegu.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4465402/normal_5ffcd90128063.pdfIn PDF document text
- https://xisilejawot.weebly.com/uploads/1/3/4/0/134016881/kokedujekajap_nepufuveredir.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/d4c92257-b3a8-49ef-ac47-7e3a7d93bfe1/how_to_size_conductors_for_transformer.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/721be8db-66a7-4846-a3fe-777565048c33/fatazedopik.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/43aaf381-c81f-40c5-9460-93b77e72a035/ketono.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9783660d-cd06-42c4-b10b-db0f7f053c2f/what_are_the_types_of_distributive_shock.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3438d9fc-9a0f-420c-b831-4475f54594a1/harry_potter_and_the_order_of_the_phoenix_summary_shmoop.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4ba64655-e7bd-4fa2-ad54-728be798962b/9083591366.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a6d484e9-6cbc-4a59-8386-316913c91eef/bergeys_ford_north_bethlehem_pike_spring_house_pa.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c361e903-c4cf-4c99-8f40-f0c586798d87/how_to_fix_f0_error_on_air_conditioner.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/72b6e517-d052-4461-9571-f5fafb09ac95/onan_7500_diesel_generator_service_manual.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e1f4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1F4 | 5864 bytes |
SHA-256: bf312eb12c75ff93b04fe64687579977763498b321b8cece7c7bf92de0fcc5c7 |
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font_01_sfnt_off0000f5da.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5DA | 10808 bytes |
SHA-256: 5fd8f62ba7f6c5fd54f5c7b7ececdcaabfad3353076dad335a3e99db5a349579 |
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font_02_sfnt_off00011b21.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B21 | 16204 bytes |
SHA-256: 532315dfdc59b350d447ad91845dd8cc72a836e684f536ab9a4305dc5b53fb8e |
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