MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains a large number of external links, identified by the PDF_SEO_LINK_FARM and PDF_SEO_DISPOSABLE_LINK_FARM heuristics. The primary URL observed is 'https://vilenefex.ru/123?utm_term=thought+provoking+meaning+in+telugu', which is likely part of a link farm designed to manipulate search engine results or redirect users to malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent, classifying it as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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://vilenefex.ru/123?utm_term=thought+provoking+meaning+in+telugu PDF link annotation
- https://cdn.sqhk.co/gupuwiwi/jjamgdZ/67770256793.pdfIn PDF document text
- https://cdn.sqhk.co/goduwonon/mhbCcjf/39475571470.pdfIn PDF document text
- https://cdn.sqhk.co/vuwewiwudesi/qhhqJAZ/dead_eyes_lyrics.pdfIn PDF document text
- http://kaxesurodiwewok.iblogger.org/bayesian_methods_for_hackers_free.pdfIn PDF document text
- http://pokafujadiso.iblogger.org/the_great_depression_was_a_period_of_class_9_mcq.pdfIn PDF document text
- https://dozogifelezu.weebly.com/uploads/1/3/4/3/134313369/fedusunofomesas_ganuwani.pdfIn PDF document text
- https://cdn.sqhk.co/towevefizub/WShi1ih/6189629840.pdfIn PDF document text
- https://cdn.sqhk.co/sirepajaku/dthi28w/1451187614.pdfIn PDF document text
- https://wezisaveveto.weebly.com/uploads/1/3/3/9/133999444/tifomejamus.pdfIn PDF document text
- http://surevixa.22web.org/vadunarorenuni.pdfIn PDF document text
- https://rawuwivusezorom.weebly.com/uploads/1/3/1/4/131406564/lozepugodudusex-naxapejewotedof-gajuwet-livumerubomo.pdfIn PDF document text
- https://lupogupep.weebly.com/uploads/1/3/4/4/134444844/4ae2b53.pdfIn PDF document text
- https://cdn.sqhk.co/fapewejav/86NVjha/reruw.pdfIn PDF document text
- http://duxojiz.iblogger.org/89981155764.pdfIn PDF document text
- https://motisodufar.weebly.com/uploads/1/3/5/4/135400919/sadoxej.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://fedorahosted.org/lohitIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- http://xowirife.rf.gd/fetabozuleb.pdfIn PDF document text
- http://bonizeza.epizy.com/curse_of_strahd_maps_for_players.pdfIn PDF document text
- http://welurolakis.epizy.com/carpophilus_hemipterus.pdfIn PDF document text
- http://vajapojaperusu.myartsonline.com/what_are_the_innovative_teaching_methods.pdfIn PDF document text
- http://zowofiz.myartsonline.com/what_were_the_three_colonial_regions_in_early_america.pdfIn PDF document text
- http://darokajiwebag.rf.gd/dukozuvezikutila.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f36a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF36A | 5012 bytes |
SHA-256: f6bac2db274191c37c1b0260e31c98b42eac697702a5a80c579defb68e30043d |
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font_01_sfnt_off00010449.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10449 | 56728 bytes |
SHA-256: 3560abe7ea8c12c679b4e35d4eb16d195d5a0e6ab3635e957dd753f947f80360 |
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font_02_sfnt_off00016bc8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16BC8 | 10624 bytes |
SHA-256: 2bcebe747b849e4d281694a255f3816e8ba99640361b6db75dd3be2a09d6b594 |
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font_03_sfnt_off00018feb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18FEB | 4324 bytes |
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34 |
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