MALICIOUS
136
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains an embedded URI and a high-severity heuristic firing for an image lure linking to an SEO redirector, specifically 'https://seumenha.ru/strik?utm_term=how+to+read+a+book+fast+wikihow'. This suggests the document's primary purpose is to trick users into visiting a malicious site. No scripts were extracted, but the PDF structure and embedded URL are strong indicators of a phishing attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://seumenha.ru/strik?utm_term=how+to+read+a+book+fast+wikihow PDF link annotation
- https://cdn-cms.f-static.net/uploads/4464534/normal_6034f23440989.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4482848/normal_5fcfea5a01390.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4383918/normal_600cfcb1abfcb.pdfIn PDF document text
- http://gejesixave.scienceontheweb.net/jimurudoluxotobudisamak.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4380675/normal_5fe4d7003e671.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4404103/normal_604e47828ac7d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4480397/normal_5fd7cf5885190.pdfIn PDF document text
- http://dusikazo.mypressonline.com/5421437426.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4482872/normal_60373754a90a4.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4474992/normal_604cc75f38db0.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://s3.amazonaws.com/naxozelozude/90383170648.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/87ed0188-bf5d-4d3d-9db7-bc38872453bf/55006894629.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/692e12e3-cebe-4207-85e4-1c9e00e13c85/guess_how_much_i_love_you_fabric_cloth_works.pdfIn PDF document text
- https://s3.amazonaws.com/farokof/jigegaranutanalib.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1ab10e8e-1bf3-44b4-9ea5-428d33e2141d/gudedikopawowexudajiji.pdfIn PDF document text
- https://s3.amazonaws.com/fadadedezeker/idsa_guidelines_for_complicated_urinary_tract_infection.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3c0477b2-fa00-4ba4-8344-b4c6500964b8/renag.pdfIn PDF document text
- https://s3.amazonaws.com/xulepiwa/artificial_intelligence_books_free.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4f996c46-977b-44a7-9407-90947204cb57/peace_like_a_river_love_like_a_mountain_guitar_chords.pdfIn PDF document text
- http://sidepojedava.myartsonline.com/marine_corps_physical_fitness_program_mco.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0073d80d-ad21-4f6d-8970-26c381a32eca/what_does_the_flashing_red_light_on_my_furnace_mean.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ed3ffc54-7f49-4c79-b6bf-a3fa5d3df190/35430941512.pdfIn PDF document text
- https://s3.amazonaws.com/mexijegedakol/lista_verbos_irregulares_ingles_traduccion_espaol.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_off0000ef50.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF50 | 4904 bytes |
SHA-256: c7f0b2b6887d1748aae13533da14cfad3f1b00d4fe73bf744c5404ee5d3d43c8 |
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font_01_sfnt_off0001001a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1001A | 11392 bytes |
SHA-256: d34e25ab3e9163fa4609b794fa628a410338e8e79a867c40747587f3cc78ab96 |
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font_02_sfnt_off0001266d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1266D | 4324 bytes |
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3 |
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