MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file is identified as malicious by ClamAV and a machine learning classifier, indicating a high likelihood of malicious intent. It functions as a link farm, presenting numerous external PDF links under the guise of search results for a dictionary download. The primary malicious URL observed is vilenefex.ru, which likely serves as a gateway to further malicious content or phishing attempts.
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/award?keyword=illustrated+oxford+dictionary+pdf+download PDF link annotation
- http://moxipafuxoxo.mygamesonline.org/16327234507.pdfIn PDF document text
- https://selilanabos.weebly.com/uploads/1/3/4/8/134875664/kipakewad.pdfIn PDF document text
- http://vozuzutiwajuzip.getenjoyment.net/architectural_drafting_handbook.pdfIn PDF document text
- http://dexaputanit.mygamesonline.org/how_do_i_bypass_incompatible_hp_ink_cartridges.pdfIn PDF document text
- http://sugameloxufe.mywebcommunity.org/all_of_me_john_legend_piano_sheet_music.pdfIn PDF document text
- http://sewawena.scienceontheweb.net/characteristics_of_romanticism_in_english_literature.pdfIn PDF document text
- https://webesetumisurut.weebly.com/uploads/1/3/4/3/134318687/618690.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://14535e1a-360a-4d01-a655-fa33e115c80e.filesusr.com/ugd/b222ea_65c5525d00164262ba6feaa03504d3c4.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/tutapaxi/bubble_bash_2_game_free.pdfIn PDF document text
- https://bad3f395-1638-4667-b349-d6f934eeab49.filesusr.com/ugd/ed2d23_29ce2472e6004b4990b611f6c3541824.pdf?index=trueIn PDF document text
- https://eed7fa7e-4f31-4ba6-8269-e73f07ac74c5.filesusr.com/ugd/93374d_66ad601e509b4ee78be3b8166da7acfa.pdf?index=trueIn PDF document text
- https://19508648-7f28-415f-8121-b57715dc1465.filesusr.com/ugd/9734e7_0f09375828ea4ccd91b730dcac29da19.pdf?index=trueIn PDF document text
- http://wizigipixe.atwebpages.com/40674069727.pdfIn PDF document text
- https://9539e3d7-93ad-434a-85ac-22bd9bdb82bb.filesusr.com/ugd/df7b34_35b363a3c0804a12b72289076a3418b2.pdf?index=trueIn PDF document text
- https://f6e2a16f-d004-42cd-8f17-0463e090774c.filesusr.com/ugd/c70c35_1b159dbda7b847d99f561808b5e4ba7b.pdf?index=trueIn PDF document text
- http://wusozupit.myartsonline.com/68338278152.pdfIn PDF document text
- https://s3.amazonaws.com/xapidajovaji/15788102052.pdfIn PDF document text
- https://a161ff94-1a6f-4367-b6f8-8e513a5e676d.filesusr.com/ugd/4c7633_b428075944834850ad1c5f5ff44d0f9b.pdf?index=trueIn PDF document text
- https://73ea35ec-f0b0-4773-8bcb-d62b778c7de8.filesusr.com/ugd/a8e976_5b17a465d1f2498da6d3a7e4e2ed56e3.pdf?index=trueIn PDF document text
- https://d52aed46-be45-4f9b-8106-cf6fc7ee66c0.filesusr.com/ugd/b148e5_c27fdb10898a41be91d51674d37f630f.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/luropiw/free_calming_relaxing_music.pdfIn PDF document text
- https://s3.amazonaws.com/rezugekolaba/46031030784.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_off0000d26f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD26F | 5348 bytes |
SHA-256: a537c8c301d3e3a7f675fe67150faa0ef6f223fd517b68078bb16fdefe8d0648 |
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font_01_sfnt_off0000e4cd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4CD | 10328 bytes |
SHA-256: 6eaa715a00dbe6e8e94bc242b1c8c1e23867b9f4729ce3ac7611ab4bf02b63f2 |
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