MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was identified as malicious by a machine learning classifier and ClamAV, flagging it as a phishing trojan. It contains a large number of external links, many hosted on disposable domains, suggesting a link farm or SEO spam operation designed to redirect users to malicious content. The document body, though heavily obfuscated, contains a title related to atomic radius, likely a lure to disguise the 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://midufefew.ru/strik?utm_term=how+to+figure+out+which+element+has+the+largest+atomic+radius PDF link annotation
- https://vavixama.weebly.com/uploads/1/3/4/4/134471840/pokamebokazun.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4495241/normal_60516f821122f.pdfIn PDF document text
- https://merusedezut.weebly.com/uploads/1/3/4/3/134361649/ea0092.pdfIn PDF document text
- https://luzonenof.weebly.com/uploads/1/3/4/5/134509067/fazabetuxurog.pdfIn PDF document text
- https://wunurobi.weebly.com/uploads/1/3/4/8/134881210/8742077.pdfIn PDF document text
- http://raguvigawak.mypressonline.com/datoxaxowemu.pdfIn PDF document text
- https://dugepenen.weebly.com/uploads/1/3/1/3/131379306/pibumapexulogik.pdfIn PDF document text
- http://pokezokebawi.mygamesonline.org/fudarewoxozi.pdfIn PDF document text
- http://lomidal.mygamesonline.org/soda_chrome_extension.pdfIn PDF document text
- https://sekuruzinof.weebly.com/uploads/1/3/4/8/134897543/wibewokubotovid-wosufi-kumet.pdfIn PDF document text
- https://wevabubuked.weebly.com/uploads/1/3/4/5/134584052/3425724.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4382406/normal_605a52b321a76.pdfIn PDF document text
- http://nakekizedexu.getenjoyment.net/89378486009.pdfIn PDF document text
- http://norasuzajo.mywebcommunity.org/phantom_bangla_comics_free_download.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4424646/normal_6056c305858a7.pdfIn PDF document text
- http://lazategomid.scienceontheweb.net/cours_loi_binomiale_1ere_s.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://dolanuvusipegu.myartsonline.com/jamesitowezuzo.pdfIn PDF document text
- https://c809e8a6-5bdf-489d-8d8c-df4e4638a115.filesusr.com/ugd/45a296_c9c53894327e4ad986b6b29c471b8aa8.pdf?index=trueIn PDF document text
- https://438e95ed-c264-4db5-88d3-1a9ca8b91b86.filesusr.com/ugd/733c1f_86431329d8184a7c9f0053d690ad551c.pdf?index=trueIn PDF document text
- https://c546c886-5aa5-41cc-813f-4ed3e146772c.filesusr.com/ugd/b3e52d_77dec91629624a59b32de1d379e3c58a.pdf?index=trueIn PDF document text
- http://nujugeteteda.myartsonline.com/antibacterial_activity_of_silver_nanoparticles.pdfIn PDF document text
- http://dapizodipe.myartsonline.com/42740398061.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_off00013a08.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13A08 | 5488 bytes |
SHA-256: d4ba3027d198ce0abee7e347b9e291cd9f82ab39af43dac4e9a79635ce13a601 |
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font_01_sfnt_off00014c9b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14C9B | 11708 bytes |
SHA-256: de497ee7cd698c61319e2dd3965bcd6a3b77f5bf8f63a261e3bb2bf850d72907 |
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