MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged as malicious by multiple heuristics, including a critical ClamAV detection and an ML classifier. It contains a large number of external links, many hosted on disposable domains, suggesting a link farm or phishing operation. The embedded URL 'https://baarspo.ru/strik?utm_term=what+causes+false+positive+pregnancy+blood+tests' indicates a potential phishing lure related to health information.
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://baarspo.ru/strik?utm_term=what+causes+false+positive+pregnancy+blood+tests PDF link annotation
- https://lukexurilewudon.weebly.com/uploads/1/3/4/3/134335891/mafitiguperixet-fovegi-fuzojiborekus.pdfIn PDF document text
- https://xalekosud.weebly.com/uploads/1/3/5/3/135350534/730575.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4415770/normal_6035c3a5ccfc2.pdfIn PDF document text
- https://musegozaxugovu.weebly.com/uploads/1/3/0/8/130873783/rijuwisoliraxowu.pdfIn PDF document text
- https://vuminuzatadabem.weebly.com/uploads/1/3/4/3/134311796/lugolobiro_zepexanew_buvekafokawuw_xolafabesex.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4466408/normal_5ff69b2c9ce62.pdfIn PDF document text
- https://gorejirulikem.weebly.com/uploads/1/3/4/7/134738880/9573309.pdfIn PDF document text
- https://xirugavo.weebly.com/uploads/1/3/4/3/134337246/6025010.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4391642/normal_5ff4129ee2aa0.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4445340/normal_60532065b9b24.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4460045/normal_6064fc3ca2211.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4494432/normal_60609b13bd222.pdfIn PDF document text
- https://vuxanuvawemot.weebly.com/uploads/1/3/4/7/134719342/8489363.pdfIn PDF document text
- https://kiparefewegapip.weebly.com/uploads/1/3/2/6/132682538/bbe5b55f1cf28.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4454436/normal_600e41e0a32c8.pdfIn PDF document text
- https://betutinixe.weebly.com/uploads/1/3/4/4/134481053/kuzusipu.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4403533/normal_6041496ccdda6.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/9797a0bf-58d8-4e81-a4b6-9235403a053a/sapiens_a_brief_history_of_humankind_audiobook_free_download.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c8c22693-fde0-43f7-961a-552d182859f2/73991576249.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f67db2a9-a2b0-444d-870e-e4b6ad093c2e/49703953853.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/83a093a2-2762-4947-b5dc-c370b132b229/45581365168.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_off0000f30c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF30C | 5732 bytes |
SHA-256: c748b4d461619ea5e2183f47217e4ae4f8fb3ba11d04f5b913cf4f834d51aa34 |
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font_01_sfnt_off0001069a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1069A | 10292 bytes |
SHA-256: b5bd8e4c16b6f30aa9345110c9d55d4fd81f076846ab205064d0f077fb87e5f3 |
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