MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, containing numerous external URLs, many of which are hosted on disposable domains or redirectors. The primary malicious URL identified is https://vilenefex.ru/strik. This behavior suggests the document is designed to redirect users to potentially harmful websites, possibly for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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/strik?utm_term=best+buffalo+monster+movie+2020 PDF link annotation
- http://luxomozuk.mypressonline.com/ezcurra_que_es_el_neoliberalismo.pdfIn PDF document text
- https://cdn.sqhk.co/puvegipuros/M9YLjjf/kofir.pdfIn PDF document text
- https://sibanozaniso.weebly.com/uploads/1/3/4/8/134858677/1907631.pdfIn PDF document text
- https://jinikegubu.weebly.com/uploads/1/3/4/8/134873825/bepomudowadu_vevugogewuzumi.pdfIn PDF document text
- http://pepujolajerikur.66ghz.com/anthem_blue_cross_medicaid_appeal_form.pdfIn PDF document text
- http://lulopoboxefon.scienceontheweb.net/sword_art_online_alicization_lycoris_patch_1.11.pdfIn PDF document text
- https://cdn.sqhk.co/kefofepobam/hjdRNhe/video_editing_free_online_no.pdfIn PDF document text
- http://mowefopovog.mywebcommunity.org/lirr_babylon_line_weekend_schedule.pdfIn PDF document text
- http://basagutidabe.sportsontheweb.net/51767319731.pdfIn PDF document text
- https://lupemofuxuxutuj.weebly.com/uploads/1/3/1/3/131383332/f305d715.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/7987c9fb-a633-487c-a4d4-c30ac52249cc/tixefovesulemijogolijeme.pdfIn PDF document text
- http://xezeruv.epizy.com/black_and_white_twitter_icon.pdfIn PDF document text
- https://c145ee04-3c3b-4786-8b94-e0511401b322.filesusr.com/ugd/de65f7_7bb2286f5377496db47acaf27e5bc838.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/3659c865-3a90-4287-bbad-2a22e45988ea/ejercicios_ecuaciones_de_primer_y_segundo_grado_3_eso.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/fdfab080-b9b4-4eb1-ac66-80e18a82e2a0/jexapefevuzojikavujixer.pdfIn PDF document text
- https://19e6fc83-c281-4d06-93fd-e8b16a02b90a.filesusr.com/ugd/ce5d00_6d6fee8c276545c7bc4c90f62e49ca8c.pdf?index=trueIn PDF document text
- https://6acf0ca1-aa41-4771-8b91-54baff69ee7f.filesusr.com/ugd/7d1dc9_da71156aebb74764b0a8cb042f6ac4ca.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/055c092e-f9a7-49c9-bd01-00d475ecb2e1/nordictrack_c2000_weight_limit.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0909af5c-f6f2-4a9c-b65c-64893ab25006/somawopalinofebusodux.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_off0000ff3b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF3B | 5436 bytes |
SHA-256: 36d788aef88f4328d3c8f611396f79ed24d4929e4ea44288614e6d1aea692540 |
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font_01_sfnt_off000111aa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111AA | 11780 bytes |
SHA-256: 11dc7e61621ed508025e267d0999a46d56cbe2e4fb96aa92f6e2d14b4bba81b9 |
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