MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous external links, a technique commonly used in SEO link farms to manipulate search engine rankings or distribute malicious content. The presence of a URL pointing to "midufefew.ru" with a keyword suggesting educational material indicates a lure to potentially malicious sites. ClamAV and ML classifiers also flagged this PDF as malicious, supporting the phishing/malware distribution intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9989
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://midufefew.ru/wix?keyword=microbes+in+the+environment+lab+answers PDF link annotation
- http://fatowafelu.iblogger.org/how_has_soccer_influenced_the_world.pdfIn PDF document text
- https://jasebezaf.weebly.com/uploads/1/3/4/6/134630561/710819ee9019ab0.pdfIn PDF document text
- https://cdn.sqhk.co/jumifokujuje/ebhMjfA/43247519525.pdfIn PDF document text
- http://tusoret.22web.org/27839500955.pdfIn PDF document text
- https://derikuboxema.weebly.com/uploads/1/3/0/7/130776504/xonilajojedozexijap.pdfIn PDF document text
- https://zuxijonimobazi.weebly.com/uploads/1/3/5/3/135351106/6330542.pdfIn PDF document text
- https://cdn.sqhk.co/kikolibub/KQvhiRc/interstellar_rocket_league_price_pc.pdfIn PDF document text
- https://cdn.sqhk.co/jawubibegeba/hbtjfja/subirajimujewe.pdfIn PDF document text
- http://kufemotobenin.66ghz.com/best_football_skills_to_learn.pdfIn PDF document text
- https://vinovubetiloj.weebly.com/uploads/1/3/4/6/134679092/01153.pdfIn PDF document text
- https://xekekulok.weebly.com/uploads/1/3/1/8/131857590/1973686.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/lopadivupudexa/timuguledarisobuxipowe.pdfIn PDF document text
- http://lopejad.epizy.com/cumulative_update_for_windows_10_error.pdfIn PDF document text
- https://4b0cdf75-2e42-4830-99f1-bbdbaec3f661.filesusr.com/ugd/891219_dfba76eadfbb4c0ca261a1018a360027.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/mivokozibu/archbishop_mccarthy_school_uniforms.pdfIn PDF document text
- http://mosoveta.rf.gd/6764499171.pdfIn PDF document text
- http://vapedefomagejev.epizy.com/add_custom_font_to_wix.pdfIn PDF document text
- https://df256b98-640c-444d-885a-8195c7360722.filesusr.com/ugd/40b9e6_7087617c20564434962e967b2f280035.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/pevarijidasalop/xukisikevataxaranej.pdfIn PDF document text
- https://s3.amazonaws.com/mesotodimus/gerresheimer_annual_report_2016.pdfIn PDF document text
- http://tugojan.rf.gd/snatam_kaur_albums_free.pdfIn PDF document text
- https://s3.amazonaws.com/zidosozawok/33741192613.pdfIn PDF document text
- http://fawumewaja.epizy.com/14135032066.pdfIn PDF document text
- https://9ebe8999-295a-4f11-87dc-c96f3e1b46ff.filesusr.com/ugd/8de238_d33bf212938547e1a133adfc66a0ea07.pdf?index=trueIn PDF document text
- https://6d706a39-1f93-4f1a-9423-caccf7e65e71.filesusr.com/ugd/69f91f_202076a7cb5147c7bdd11ebad449acfe.pdf?index=trueIn 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_off0000d569.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD569 | 3112 bytes |
SHA-256: e2fd12e393b75b6a1e72cb2013ac2c9b211b2d0bf9f53dce5e08d099c0fb9ed4 |
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font_01_sfnt_off0000e08c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE08C | 5336 bytes |
SHA-256: f5fc8fbfa0b5790a7ab46ca9e6c98efa65a886fa0283a02427b6702c59741bc9 |
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font_02_sfnt_off0000f2a5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2A5 | 10340 bytes |
SHA-256: 35adc08a4001345bb87b748840a7d50d5c02ea0d96c0550623932e734a60d490 |
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