MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of external links, many hosted on disposable domains, suggesting a link farm or phishing lure. The 'ML_NYX_PDF_MALICIOUS' and 'CLAMAV_DETECTION' heuristics confirm its malicious nature. While no scripts were explicitly extracted, the PDF structure and embedded URLs indicate a malicious intent to redirect users to potentially harmful content.
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=couples+therapy+workbook+30+guided+conversations+to+reconnect+relationships+pdf PDF link annotation
- https://fakebomazeb.weebly.com/uploads/1/3/1/4/131453402/a9e857a1f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4449424/normal_6027c2307d683.pdfIn PDF document text
- https://mixenabunagoxo.weebly.com/uploads/1/3/5/3/135320093/784b609e533c.pdfIn PDF document text
- https://tubuzitobez.weebly.com/uploads/1/3/4/1/134108618/koporevivu-sawifiwavutexob-goxokemo.pdfIn PDF document text
- https://letosuve.weebly.com/uploads/1/3/0/7/130739520/4007649.pdfIn PDF document text
- https://malosana.weebly.com/uploads/1/3/5/3/135323031/9264165.pdfIn PDF document text
- https://pirivelel.weebly.com/uploads/1/3/4/5/134505874/54cb36b8.pdfIn PDF document text
- https://vadanidubaseb.weebly.com/uploads/1/3/6/0/136089859/senemoba-jamebufis-vovisux.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4484370/normal_601241dc3eb58.pdfIn PDF document text
- https://tujozidu.weebly.com/uploads/1/3/4/6/134694944/motugimoguwi.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4447107/normal_6011e4cc76cc5.pdfIn PDF document text
- https://xajixaze.weebly.com/uploads/1/3/2/3/132302973/4793939.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4479435/normal_5fdb9d5a5c465.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4470841/normal_5fe8498ad7b41.pdfIn PDF document text
- https://nexijapa.weebly.com/uploads/1/3/5/3/135309594/zenuwumavofukoseti.pdfIn PDF document text
- https://wutupebepa.weebly.com/uploads/1/3/3/9/133997315/ledosibis_xalobebogakuzuk.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/fifuto/credit_suisse_annual_report_2018.pdfIn PDF document text
- https://s3.amazonaws.com/mejawiwomak/ariston_andris_lux_water_heater_manual.pdfIn PDF document text
- https://s3.amazonaws.com/bulozor/dokodewozuvinobunamot.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a3738d9b-0351-4968-a3d2-cebd2b4e570b/zumose.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/86152d32-28f1-483d-acca-006d992cf52f/55824376579.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_off00013567.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13567 | 6088 bytes |
SHA-256: cccba32cd77d1e0397ec440383f4dbddae439434c12288acdad2f74994417005 |
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font_01_sfnt_off00014a2e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14A2E | 11528 bytes |
SHA-256: 3d85e4eb33a1725dc686f70687e96de03c74ecb1858a51d44ebe7a87986e897d |
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