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, indicating a link farm or phishing operation. The ML classifier and ClamAV detection strongly suggest malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a phishing or SEO manipulation campaign, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://nipisod.ru/strik?utm_term=varispeed+626vm3+alarm+codes PDF link annotation
- https://zarokosa.weebly.com/uploads/1/3/5/3/135300057/9176850.pdfIn PDF document text
- https://jagedebake.weebly.com/uploads/1/3/0/7/130738918/gozove_wuwunosoda.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4365545/normal_6031c28a952d5.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4446502/normal_5fcb2f3c61c16.pdfIn PDF document text
- https://pusiravuzefabi.weebly.com/uploads/1/3/4/4/134483733/82279dc20febe.pdfIn PDF document text
- https://zifalopo.weebly.com/uploads/1/3/1/3/131379769/fujifutifav_givujaxoxosuseb.pdfIn PDF document text
- https://ludabasekid.weebly.com/uploads/1/3/2/7/132740342/sizimanabi.pdfIn PDF document text
- https://sofotegepure.weebly.com/uploads/1/3/4/5/134522016/04d6ec.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4393034/normal_5fcd67b9ee130.pdfIn PDF document text
- https://static.s123-cdn-static-d.com/uploads/4417403/normal_60aff4811a21a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4426257/normal_605b613f80ce1.pdfIn PDF document text
- https://molipose.weebly.com/uploads/1/3/4/6/134644393/wifeke.pdfIn PDF document text
- https://rexaririwe.weebly.com/uploads/1/3/1/6/131637114/5508118.pdfIn PDF document text
- https://nowitijot.weebly.com/uploads/1/3/4/7/134716658/468990.pdfIn PDF document text
- https://lerizizevu.weebly.com/uploads/1/3/4/3/134314130/kasenuneli.pdfIn PDF document text
- https://mesakejaj.weebly.com/uploads/1/3/4/7/134754162/dusik-lesuk-sigimos-luselufewu.pdfIn PDF document text
- https://xesupolapiban.weebly.com/uploads/1/3/4/5/134586318/2e862763800.pdfIn PDF document text
- https://xusuzipurojovup.weebly.com/uploads/1/3/4/3/134325257/musaf.pdfIn PDF document text
- https://nidixinaxob.weebly.com/uploads/1/3/0/7/130739699/vudepixa-mapigidupuzagub-nufotinuriru-bonumo.pdfIn PDF document text
- https://rumobenugata.weebly.com/uploads/1/3/1/4/131454452/gogiwu-jufavumolubulo-bijuwakajevim-jejib.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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_off00010b28.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B28 | 5696 bytes |
SHA-256: 2d5555409fd2922000dc0f6b513e1a2f13c10e99a7db2f35695f4af942e5c839 |
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font_01_sfnt_off00011e77.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E77 | 12172 bytes |
SHA-256: 0d4d46683264cbb5f4d0338befbffda97b3769f2a5ff19e4b857768aa7fd8ae7 |
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