MALICIOUS
136
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The file is a PDF document that contains a heuristic firing indicating it is a phishing lure. It redirects to the URL https://pelibifir.ru/strik?utm_term=reacci%25C3%25B3n+de+molisch+para+carbohidratos, which is flagged as an external URI and an SEO redirector. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
Heuristics 5
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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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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://pelibifir.ru/strik?utm_term=reacci%25C3%25B3n+de+molisch+para+carbohidratos PDF link annotation
- https://cdn-cms.f-static.net/uploads/4471230/normal_601b98448f207.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4497685/normal_6055719bb163d.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4415291/normal_60045a6e8738f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4379474/normal_6025f2053f588.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4424013/normal_60296282eb321.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4446260/normal_60375d9b0e5ae.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4410985/normal_605a9940aed9d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366063/normal_603d0b82e3b74.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4386609/normal_5fd2ded56f7e8.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4424682/normal_5fc732fd2578a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4451035/normal_601850f3bae88.pdfIn PDF document text
- http://fontawesome.iohttp://fontawesome.io/license/In PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/jivuxo/jozezijexorivul.pdfIn PDF document text
- https://s3.amazonaws.com/wibadinavosunom/android_9_galaxy_s5_mini.pdfIn PDF document text
- https://s3.amazonaws.com/farokof/18347014256.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e9ae1ec2-1069-497f-bbf0-50e514579072/pesinesig.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/30e8deae-472d-464e-a79e-f6031345fe9b/jigobugaluxonunumafibamel.pdfIn PDF document text
- https://s3.amazonaws.com/pogolo/37107890660.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c698bdf3-7966-4d46-937b-2d0da34ce271/what_are_the_five_conflict_resolution_strategies_discussed_in_the_lesson.pdfIn PDF document text
- https://s3.amazonaws.com/zosevid/primordial_deities_greek_gods.pdfIn PDF document text
- https://s3.amazonaws.com/pibajuwi/ketchikan_alaska_map.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/53c22426-8439-46e1-8407-892b7d801718/kekiduf.pdfIn PDF document text
- https://s3.amazonaws.com/zetituri/digestive_system_physiology_worksheet.pdfIn PDF document text
- https://s3.amazonaws.com/najubu/arachnid_dart_board_reset_button.pdfIn PDF document text
- https://s3.amazonaws.com/pewebopufupe/66876015318.pdfIn PDF document text
- https://s3.amazonaws.com/loneminovu/73564695836.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/493757b1-e764-4b77-8a30-d82d5dd45b33/zisikonatuti.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f991.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF991 | 1604 bytes |
SHA-256: f1ea24defaecdff0d5afa2e9d5759d771eca4ee13a911d9e240e6f0e02955bc3 |
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font_01_sfnt_off000101ac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101AC | 5596 bytes |
SHA-256: 8548b2aadfec09d6fb25c5762a4c9138830e70406e296475ce44692e00197de0 |
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font_02_sfnt_off00011441.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11441 | 12152 bytes |
SHA-256: 1a4c2c97a5c5a9b464e739e63b448d0502aa426d408f3fdf3c0042a859d55a41 |
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