MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of external links, many hosted on disposable domains, indicating a link farm or SEO manipulation tactic. The ML classifier flagged this PDF with high confidence as malicious. The presence of external URIs and a link farm suggests an attempt to redirect users to potentially harmful content or to manipulate search engine rankings.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
Heuristics 5
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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://baarspo.ru/strik?utm_term=how+to+clean+the+black+and+decker+dustbuster PDF link annotation
- https://cdn.sqhk.co/kominepoli/h5Sn8m1/rupuli.pdfIn PDF document text
- https://cdn.sqhk.co/wuwexosul/fHjgVid/68720181871.pdfIn PDF document text
- https://cdn.sqhk.co/manuguwe/JiejfxF/36805572533.pdfIn PDF document text
- https://cdn.sqhk.co/xasexuwosul/NkjjifP/civil_war_chancellorsville_battle.pdfIn PDF document text
- http://gigabaru.22web.org/lefutakexakojer.pdfIn PDF document text
- https://cdn.sqhk.co/maxevurux/gl6hh91/sasezilefonakaxuxemorusib.pdfIn PDF document text
- http://begedotupatato.66ghz.com/71876669147.pdfIn PDF document text
- https://cdn.sqhk.co/wimiwupo/xjejcgf/movie_maker_windows_free_best.pdfIn PDF document text
- https://cdn.sqhk.co/gufemazibafi/jMgfyic/xofiturugumivuzefimubiv.pdfIn PDF document text
- https://cdn.sqhk.co/lawipavoso/pjbDjfZ/92084651413.pdfIn PDF document text
- https://cdn.sqhk.co/kupawusel/ahiegjn/zuvudofuwepage.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/5e52a1b5-5fb9-474d-9f16-df68d40272ef/59902507430.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c9dfbaa1-c80e-4d39-999d-e8f15f3b629f/subway_melt_salad_nutrition_facts.pdfIn PDF document text
- https://790985df-dfec-4a08-b509-00f37668cf87.filesusr.com/ugd/a421e3_8506c34220a14879812dcc3a68a0e133.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/5f7df2cf-aa45-4d5e-b958-e2d09de178eb/62898251001.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7fc98cbb-e3c3-48d1-b14d-37388e30b601/44970092484.pdfIn PDF document text
- https://411be8f8-4ba1-40b5-9edf-cc4a2c3d5ecc.filesusr.com/ugd/a86d68_5ef675fef20245d3afbcf279e4be0c64.pdf?index=trueIn PDF document text
- https://aee666f7-65d2-4416-8089-42e5bd85255d.filesusr.com/ugd/c4036c_06ee34e11a1f474a9b794a3a180157ab.pdf?index=trueIn PDF document text
- http://tiginusoxer.rf.gd/41250484900.pdfIn PDF document text
- http://rututovabin.rf.gd/21219588539.pdfIn PDF document text
- http://sepisug.rf.gd/waxekedi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/798fc341-99e8-43a9-80d0-30a53daf3070/cuanto_equivale_un_decimetro_cubico_en_milimetros.pdfIn PDF document text
- https://8964868a-aef6-4da0-9a9b-29de7c28e0c5.filesusr.com/ugd/b910ae_9da7bce4237943218fc96a43c7fbf447.pdf?index=trueIn PDF document text
- https://c2dbac7f-2075-4dc1-ad03-af0d0352bff2.filesusr.com/ugd/278743_18091b146549435d8cdc93b98aa0514f.pdf?index=trueIn PDF document text
- http://mugekalamiwatek.epizy.com/sijimawoligutotirivazuw.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f065.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF065 | 5284 bytes |
SHA-256: 20d29d0451ecf8997e59004de7b561bea5e6fd17c374503f0161523c5271e3d7 |
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font_01_sfnt_off00010260.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10260 | 10580 bytes |
SHA-256: c2536519666d65b23c6ae1956446d86603353765f840eae468062ba119a2ee8c |
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