MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://dafemum.ru/strik?utm_term=how+to+fix+a+noisy+whirlpool+refrigerator PDF link annotation
- https://static.s123-cdn-static.com/uploads/4443341/normal_5fe513051c121.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4375071/normal_60477f850cdf9.pdfIn PDF document text
- https://forikejuze.weebly.com/uploads/1/3/4/6/134632550/pabiwobulut.pdfIn PDF document text
- https://xidoxuzi.weebly.com/uploads/1/3/4/7/134707988/6886746.pdfIn PDF document text
- https://lasajiboz.weebly.com/uploads/1/3/1/3/131379041/25615aa1a.pdfIn PDF document text
- https://davanowaxisipu.weebly.com/uploads/1/3/5/3/135318110/xedunofaxapi_venawulit_xafojatuvorameb.pdfIn PDF document text
- https://jomagikovire.weebly.com/uploads/1/3/1/4/131408086/dojis.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4409118/normal_604938d95879d.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4467573/normal_5fcc9f8e8f587.pdfIn PDF document text
- https://xafosaxit.weebly.com/uploads/1/3/1/8/131859261/siwusowifatamo.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/00db98c2-ac49-4d32-a0a5-2d746289dd65/74231690328.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6872e12e-ec46-4587-b60b-dabf54f8f306/44443232988.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4dc1a8b5-e7aa-4d51-9b9a-4b3d8427f78f/polymorph_vs_true_polymorph.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2b46e68b-d591-4df2-8cf6-99085635c5b8/gofokuto.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a72a1763-5d61-45ab-a272-7a950f899cf7/2017_lexus_rx_350_cargo_capacity.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e08bf6e5-a4ed-4e08-997f-44342eae269b/45089855235.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8a412867-11c3-41ae-9c93-33c73e10c27f/baby_bjorn_high_chair_buy.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e9305c18-8d66-4333-a114-567e4437d791/24987574481.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ea570fdf-d22d-4757-9b85-0d74c8211350/baby_bjorn_high_chair_weight_limit.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/dd3dc4dc-a7ae-451e-915f-c4faacadb7b7/how_to_build_trust_in_a_relationship_after_betrayal.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b6169752-6ab2-454e-9d2d-720e7d752d33/68618892067.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5afef109-5fc7-4b0b-88cf-ff2b1f3e976e/resea_del_libro_el_espejo_enterrado_de_carlos_fuentes.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/272da6ae-0d71-4440-a695-080a70e5addb/star_trek_discovery_episode_8_season_2.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_off0000f915.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF915 | 5384 bytes |
SHA-256: 4f0c11cef1c8490ef1acfa45b70ee4f46ae3ff546fc4b86abd13199c9b0f16d4 |
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font_01_sfnt_off00010b84.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B84 | 10520 bytes |
SHA-256: 546a70bebf61de4b00bb108373065dc4d5ae170df8951ac39f24b4a23f2b29f2 |
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