MALICIOUS
186
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 scheme. ClamAV and ML classifiers identify it as malicious, specifically a phishing trojan. The embedded URLs, such as https://kuzutuzo.ru/strik?utm_term=how+to+replace+drive+belt+on+craftsman+dys+4500, likely serve as lures or entry points to malicious content.
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://kuzutuzo.ru/strik?utm_term=how+to+replace+drive+belt+on+craftsman+dys+4500 PDF link annotation
- https://mekebibarefuj.weebly.com/uploads/1/3/5/3/135335096/subozupil-fivupu.pdfIn PDF document text
- https://dojibabebane.weebly.com/uploads/1/3/2/6/132682208/18c4b35945e.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4462037/normal_5fe1c4548e675.pdfIn PDF document text
- https://bugomalaked.weebly.com/uploads/1/3/5/3/135324661/gunimobexup_pakodamafema.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4469827/normal_601ec1d88e51b.pdfIn PDF document text
- https://bivibubumi.weebly.com/uploads/1/3/1/6/131637176/1ee010.pdfIn PDF document text
- https://gewilowada.weebly.com/uploads/1/3/0/7/130776716/zinexotiwubojapi.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4373997/normal_601d36aa0a99a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4426687/normal_6057967d0dc77.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4408476/normal_5ff16882f017a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4476766/normal_6042c43e0a25e.pdfIn PDF document text
- https://jokesekarizav.weebly.com/uploads/1/3/1/4/131407558/8752525.pdfIn PDF document text
- https://lopenedaxi.weebly.com/uploads/1/3/1/6/131606218/fifewubu_rivavovedowir_zokejemi.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/90451485-0912-462c-88e4-293175247ff2/free_online_digital_marketing_courses_with_certificates_by_google_garage.pdfIn PDF document text
- https://s3.amazonaws.com/kufazete/wafojegerereluregevo.pdfIn PDF document text
- https://s3.amazonaws.com/wegugus/zixinuletabaka.pdfIn PDF document text
- https://s3.amazonaws.com/nuvukivaxiren/rca_10_windows_tablet_with_detachable_keyboard_w101.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a99a9dad-40e6-4599-8058-e65012f4bd4e/2018_tesla_model_3_interior_dimensions.pdfIn PDF document text
- https://s3.amazonaws.com/fulosobezur/frick_refrigeration_parts.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/40f4611e-2878-4f2f-b240-632746ee6525/22902106010.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_off0000df47.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF47 | 6012 bytes |
SHA-256: 70b9ec9d503f7b100d1a20ca75b0310af8aac32bff016f3c5a33f75b34cf8f44 |
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font_01_sfnt_off0000f3c9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3C9 | 11028 bytes |
SHA-256: a00bfb7dfa2fac483d094b9736e1557b51911c22a7f5b702136fc13b651164e2 |
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