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 0.9997
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://mezovuduw.ru/123?utm_term=medical+certificate+format+for+new+job+joining PDF link annotation
- https://cdn-cms.f-static.net/uploads/4493891/normal_604355be75b02.pdfIn PDF document text
- https://sikenobavusemel.weebly.com/uploads/1/3/2/6/132682861/duwitimotojetor-zonirato-nafarukapokipuv.pdfIn PDF document text
- https://rusiwenul.weebly.com/uploads/1/3/5/3/135327855/vadepex.pdfIn PDF document text
- https://pevetuximamit.weebly.com/uploads/1/3/1/6/131606263/lodebuda_kajoginip_vetezulodizepo.pdfIn PDF document text
- https://worejefaluki.weebly.com/uploads/1/3/4/4/134456715/2045908.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4446774/normal_5ffc9586bed5e.pdfIn PDF document text
- https://vodazifuja.weebly.com/uploads/1/3/4/2/134265633/5958fafdbcf99.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://0df6220b-9630-4647-aab6-0d9db69b9d59.filesusr.com/ugd/8b97dd_c0651983a3fc4e80af314c3ecaf21698.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/3996acbf-58b2-4405-9987-09c38e9a6723/what_does_wr_10_bar_mean_on_a_watch.pdfIn PDF document text
- http://rotanejepajedef.rf.gd/address_label_template_avery_l7162.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/496b6593-3d00-4965-b2cd-2c90c7881350/68289520047.pdfIn PDF document text
- https://625f08e2-3d8e-45b5-8e8c-b95d001c5c7c.filesusr.com/ugd/d94ae5_19c8be6565d8448bb6caa7cc27025b8b.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/98274e20-a323-4018-89fd-82b5138dac57/2017_amc_10b_problem_17.pdfIn PDF document text
- https://a32e93c2-1aa3-4149-af29-aa5d163ab988.filesusr.com/ugd/40336e_4d1cdd326aff42ce93fe2253b689d51c.pdf?index=trueIn PDF document text
- https://b01cffea-7a05-49e8-9781-04202a21c04b.filesusr.com/ugd/d5d855_41c03e4347f24a9ca90b0318f70d12f4.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/4e0fd28d-c46a-4d7b-832d-c3e24d09426a/61720141009.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/082b1e3b-2584-4fa7-ba20-e516ab753d12/kubomenanuxekefusi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/11c790d8-751b-4790-9b9b-b1c6a37a2e9c/kojuguboruboxatoxu.pdfIn PDF document text
- http://zarenubopopo.epizy.com/new_company_introduction_mail_format.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8d677fa9-ae38-40b0-9757-e499b20946db/wendys_breakfast_burrito_nutrition_information.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4f7cc806-d59f-40bf-9d6e-24fd75c7709a/tecnicas_de_redaccion_coherencia_y_concordancia.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_off0000e666.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE666 | 5476 bytes |
SHA-256: 2b81897196d99b9a242ad62a93d3544f2995609b0cf6dab3d46ae5205666a8dc |
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font_01_sfnt_off0000f912.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF912 | 11332 bytes |
SHA-256: 66f88da454c5a0b0fb73559c30cdd2e347d35728b69de0e03c80646b9edea640 |
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