MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document contains a large number of external links, many hosted on disposable domains, suggesting a link farm designed to distribute malicious content or phish users. The primary URL, vilenefex.ru, is associated with a search query about audio interfaces, likely a lure. ClamAV detected this file as Pdf.Phishing.Trojan, and ML classifiers also flagged it as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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=how+to+use+behringer+xr18+as+audio+interface PDF link annotation
- https://tunedewujanan.weebly.com/uploads/1/3/5/3/135345761/dc06f876720d3b.pdfIn PDF document text
- https://nimomobef.weebly.com/uploads/1/3/4/4/134458394/0ad9e1.pdfIn PDF document text
- https://kaperimivegorew.weebly.com/uploads/1/3/4/3/134371305/e750c7cca5.pdfIn PDF document text
- https://detawokigar.weebly.com/uploads/1/3/1/4/131453745/lenuruk.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://89d37d93-eaf9-4fc7-8d5e-07438b8f18e7.filesusr.com/ugd/e80f4c_8fdc91f4aacd4e52b56b37a38898e81e.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/1e408d7d-1613-4a4d-90c0-50cf9455cfb1/49288709692.pdfIn PDF document text
- https://6e37e838-c278-4d46-baa9-25b8497af200.filesusr.com/ugd/fbcb80_0228f9cef420465faf7e6f53254c1774.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/11f1b94c-5712-4be9-a722-6a1009afecff/le_petit_nicolas_cartoon_characters.pdfIn PDF document text
- https://s3.amazonaws.com/pusolefosex/how_long_does_it_take_to_do_an_ecg.pdfIn PDF document text
- https://4eff3ec4-d147-45d1-be73-876d9e1d0019.filesusr.com/ugd/efb3f0_926394e7443a460b91935c88fde6e26b.pdf?index=trueIn PDF document text
- https://c9254e9e-0e71-498a-8384-ab4c929b52b4.filesusr.com/ugd/0699ff_819660c32d2c4d00ac71058e1ce8f4a8.pdf?index=trueIn PDF document text
- https://923a8ca3-316b-4844-b38f-9bc955ad4852.filesusr.com/ugd/312e0e_9576de723f234bcf80bf85a37b9e0e75.pdf?index=trueIn PDF document text
- https://a39ac558-8fe8-437d-9e10-dc9402d6cb9c.filesusr.com/ugd/1ebe14_79d3685588a840e3ad1a79f7543d5e5e.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/jazofi/ingenuity_boutique_collection_swing_and_rocker_reviews.pdfIn PDF document text
- https://012a8781-80b6-4d33-8f63-56d56ef93f15.filesusr.com/ugd/6d3794_2629baff025e425aa7a1b1b8893fb0c1.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/begijufadi/94249762555.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b1a5e0fc-f95a-4c20-881d-aea0b9223cc5/ledopezijezu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6773967c-d84c-4d2b-9928-0da6dcb4eef5/rainbow_fish_coloring_page_printable.pdfIn PDF document text
- https://4b002d3c-a55f-42ce-816c-238f848e88a9.filesusr.com/ugd/3398cc_f1f3745381554cab9d78c2feb8d84a39.pdf?index=trueIn PDF document text
- https://9cf93ecd-64ee-4ad6-afcc-f350577a7522.filesusr.com/ugd/c4dbd3_d62d6f49d6e2475c94548f9ad2fbd90f.pdf?index=trueIn PDF document text
- https://f635e5d9-31b1-4f19-b758-7a623be10181.filesusr.com/ugd/6cf0f5_1472667a184a41a7a54031761f386eae.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000114c6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x114C6 | 5756 bytes |
SHA-256: c01f3c2c6f832c98dfd467502cce20b2e84eb9975b91f11e8b1034cfd1c54a4b |
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font_01_sfnt_off00012872.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12872 | 10880 bytes |
SHA-256: d99ed06e2e50f63eea636cff1f4b682155eb705356110ef05571a9f572669cd7 |
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