MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of links to external PDFs hosted on disposable domains, a common tactic for SEO link farms and phishing campaigns. One of the embedded URLs, 'https://yafferge.ru/strik?utm_term=la+ci+darem+la+mano+analysis', is identified as a malicious redirector. ClamAV also detected this file as 'Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0', further indicating malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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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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 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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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/strik?utm_term=la+ci+darem+la+mano+analysis In PDF document text
- https://wavidamos.weebly.com/uploads/1/3/4/3/134316051/wasasixurubetukuso.pdfIn PDF document text
- https://nitowapesapu.weebly.com/uploads/1/3/4/4/134442046/bevopipavini.pdfIn PDF document text
- https://losewilim.weebly.com/uploads/1/3/4/8/134854933/tizifipixubuf-daduwukoxulijub-fipixulileno.pdfIn PDF document text
- https://josabinisepev.weebly.com/uploads/1/3/1/4/131452942/e6c893.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4409395/normal_606663a41ed2b.pdfIn PDF document text
- https://fozunisomizu.weebly.com/uploads/1/3/4/6/134666093/b48960dc3713.pdfIn PDF document text
- https://mubagaluzab.weebly.com/uploads/1/3/4/8/134874300/1988931.pdfIn PDF document text
- https://nupigefaxobabu.weebly.com/uploads/1/3/1/0/131070289/6474089.pdfIn PDF document text
- https://xovesoxak.weebly.com/uploads/1/3/0/8/130813458/pudidaja.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4378382/normal_605f58a75507f.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/c488fa8a-9164-4ba9-9815-1d2216f2c02b/what_type_of_external_text_structure_is_used.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/554b809e-775b-4653-8128-9287e699b73e/plantronics_backbeat_fit_2100_problems.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f32c89da-a178-45de-863e-d83d9a41c555/jumumizenatogakum.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5adef799-684f-4694-a2f7-54404d41c6e5/attestation_demployeur_destine__ple_emploi_telecharger.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2c7c26f2-e744-41ac-b250-89b05afc0877/7620155980.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e9345d60-f42e-4e80-9678-fe7162a04ce2/86380404089.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e22b9211-f359-4db5-9d19-a32be3416114/soundpeats_bluetooth_headphones_one_side_not_working.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9a9c62da-87f4-4ad0-af09-b1023f4909fd/2012_dodge_avenger_rt_top_speed.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_off0000fe03.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE03 | 5128 bytes |
SHA-256: 77a93904bf2388a4d77092ce00ec926cc0408df28f4e8bf268cc8216d0d2788c |
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font_01_sfnt_off00010f64.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F64 | 11636 bytes |
SHA-256: 795a4bdbfb8078fa114e9fc09ad5e8f67ae30b4c325ee9ec11a4e0ad84bc877a |
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