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, many pointing to disposable hosting, suggesting a link farm designed to redirect users. The primary malicious URL identified is https://vilenefex.ru/strik, which is likely used for phishing or malware distribution. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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=spektrum+dx7+transmitter+charger PDF link annotation
- http://sugoxebojun.getenjoyment.net/gakumubakekulopebo.pdfIn PDF document text
- http://vepenuvix.mygamesonline.org/russian_words_and_phrases.pdfIn PDF document text
- https://cdn.sqhk.co/noxisoture/c0DStct/full_hd_3d_wallpapers_1920x1080_4k.pdfIn PDF document text
- http://jojazinex.mygamesonline.org/refraction_of_light_at_plane_surfaces_class_10.pdfIn PDF document text
- http://xodaxedepapopox.mygamesonline.org/al_arabiyyah_bayna_yadayk_teacher_s_book_download.pdfIn PDF document text
- http://nositadox.mypressonline.com/manual_practico_de_acupuntura_auricular.pdfIn PDF document text
- https://cdn.sqhk.co/nawovoso/sjgZI6w/riwasix.pdfIn PDF document text
- https://cdn.sqhk.co/menumuxod/gM1idF4/mepulobigemoz.pdfIn PDF document text
- http://jalosus.mygamesonline.org/good_and_scates_validity_test.pdfIn PDF document text
- http://vevebopawo.mywebcommunity.org/ablowitz_complex_variables.pdfIn PDF document text
- http://xibawolafubiz.getenjoyment.net/anemia_en_el_embarazo_oms.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://e5acd528-9925-4355-98ed-6c6122c9c19a.filesusr.com/ugd/49fecd_a94d29fff6984c43a8b8ec41d0cabefd.pdf?index=trueIn PDF document text
- http://dazejifudora.onlinewebshop.net/colitis_amebiana_tratamiento.pdfIn PDF document text
- https://dc383e6d-b7a3-4e67-a88a-227fa542b6c3.filesusr.com/ugd/72b0e7_d59529c87a314ef490b18cfbb9ac9857.pdf?index=trueIn PDF document text
- https://443275ec-395d-4f86-84c9-2ed7a250e117.filesusr.com/ugd/7d471d_cebabc73a8044ee89cca7d1a78e1feab.pdf?index=trueIn PDF document text
- https://5b2b9875-3923-4577-9ef6-0527498c95e7.filesusr.com/ugd/4e6dd5_69617ff6663d4423b0dc7a4d1017f10e.pdf?index=trueIn PDF document text
- https://1d20f49f-ccd6-4d05-b9af-9ecc574be1a3.filesusr.com/ugd/7b50d7_ccab9d7284f14d54a806617bb6534ca4.pdf?index=trueIn PDF document text
- https://f8071fb1-33dc-4bb9-9fe9-292e0ca0d861.filesusr.com/ugd/253000_a91b31d07ff1480fa635528fe02727ca.pdf?index=trueIn PDF document text
- https://bd7a0a6f-bbfd-49cc-ba41-c3f2778102d9.filesusr.com/ugd/9ea91e_9714c39ba01c4774a5874c06f9ee6a47.pdf?index=trueIn PDF document text
- http://wudazebej.atwebpages.com/32095567875.pdfIn PDF document text
- https://748e6e98-33e2-4bd1-95aa-01ea3505a154.filesusr.com/ugd/704f6c_3d8c568d0878428f8c5f3d748d000467.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e62e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE62E | 5772 bytes |
SHA-256: 10e1d3e2d84705b458693844b87676da454602cb4c9df3f4f568b35f647a19cb |
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font_01_sfnt_off0000f9b0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9B0 | 11560 bytes |
SHA-256: 7ba167d6d0be88d43115990db4e3f65895856be5e108bbd834b80f6eada37960 |
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font_02_sfnt_off0001214b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1214B | 16204 bytes |
SHA-256: a109d5cc1a8599929bd7702a943337bd153faf2776ff4e30ac39a15e38c17cef |
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