MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file exhibits characteristics of a phishing lure, specifically designed to attract users searching for study materials. It employs a link farm and redirector to obscure the ultimate destination, which is identified as a potentially malicious URL. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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://midufefew.ru/wix?keyword=ati+teas+study+manual+sixth+edition PDF link annotation
- http://nasufulorejuwe.mywebcommunity.org/keurig_b40_descale_instructions.pdfIn PDF document text
- https://burufazifefep.weebly.com/uploads/1/3/4/5/134584298/8538980.pdfIn PDF document text
- https://gotedajasokidu.weebly.com/uploads/1/3/1/4/131407980/30a28.pdfIn PDF document text
- https://cdn.sqhk.co/bezakebijuk/jdjiLij/dash_questionnaire_scoring.pdfIn PDF document text
- https://jawasolasazilem.weebly.com/uploads/1/3/1/3/131379174/jatazibimokar.pdfIn PDF document text
- https://cdn.sqhk.co/fexejikexew/jcgBTjd/infectonator_survivors_1._1._2_trainer.pdfIn PDF document text
- https://kijujula.weebly.com/uploads/1/3/4/7/134756294/sozepamisase.pdfIn PDF document text
- https://vutubazedo.weebly.com/uploads/1/3/2/7/132740780/duxepifunikole.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://3bcdeb60-9876-4d14-bc0a-1dd1632c647c.filesusr.com/ugd/16a96a_5ca73d5b2b9c42daa2aaedcc7ab074e2.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/sowirutelevolur/hampton-bay_uc7078t_fan-hd_ceiling_fan_remote_control.pdfIn PDF document text
- http://positajugopisu.myartsonline.com/sevuwe.pdfIn PDF document text
- https://6f46ab72-b8e3-4ec2-8f01-cb5d6491dab7.filesusr.com/ugd/9a120b_78ac5506eac74d91af9690e17eddf0ec.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/babetafaperaxov/zonimudufumimusujaxat.pdfIn PDF document text
- https://s3.amazonaws.com/remeranexe/free_worksheet_ordinal_numbers_grade_1.pdfIn PDF document text
- https://8eccd3b7-fb20-4588-a5b5-4d8c58591879.filesusr.com/ugd/0e6328_b84a680596134d39a13223b8281e24fd.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/musoxifuvitalo/revenge_creeper_song.pdfIn PDF document text
- https://s3.amazonaws.com/bogijexu/pizerowejorasututovanamu.pdfIn PDF document text
- https://s3.amazonaws.com/wefemabeni/dowisebepenizebide.pdfIn PDF document text
- https://s3.amazonaws.com/lakujusitejojet/73530865618.pdfIn PDF document text
- https://caf0f927-206f-4b4e-aa34-0dd3da53679b.filesusr.com/ugd/83d902_69154707dab04555858b6d9e7fb9a532.pdf?index=trueIn PDF document text
- https://45b0b119-5f8c-43e7-b437-4e12d17c1c81.filesusr.com/ugd/3826db_cfdbb923f474477297c8a0ba53110012.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/davubewu/72002862133.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_off0000ecf0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECF0 | 5128 bytes |
SHA-256: 958e097cfe3f2375163803c42dac076bc76694ee4bc579f2f4caa85b2e2c3346 |
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font_01_sfnt_off0000fe47.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE47 | 11136 bytes |
SHA-256: e8f3bb5a0f317024e411fb22a270ca97567ae84808cf482053bdf0089a616ca1 |
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