MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier indicating a high probability of maliciousness. It contains a large number of external links, many pointing to disposable hosting, suggesting a link farm designed to redirect users. The primary malicious URL identified is https://baarspo.ru/123?utm_term=the+economist+pdf++2019, which is likely used for phishing or to serve a second-stage payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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/123?utm_term=the+economist+pdf++2019 PDF link annotation
- https://delovamubikener.weebly.com/uploads/1/3/4/7/134707073/venetivepari_bijazopi.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4374181/normal_602680e0630ce.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4459784/normal_602b2d06722fb.pdfIn PDF document text
- https://wazeketarawowaw.weebly.com/uploads/1/3/4/5/134587567/wunowo.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4389384/normal_600a225e464cf.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4454168/normal_6064d606e8217.pdfIn PDF document text
- https://bewokeramubi.weebly.com/uploads/1/3/1/6/131636949/rivakizuvexan.pdfIn PDF document text
- https://nitogufufuwal.weebly.com/uploads/1/3/3/9/133997090/6033571.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4393508/normal_602288db74c02.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4382186/normal_5fde015aab412.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4374847/normal_601f3eb38360e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4500897/normal_600aba19a9be6.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4375353/normal_6040e3e469bda.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4455670/normal_602ef7a29490c.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://wixugigir.pbworks.com/f/16300285315.pdfIn PDF document text
- http://lopasexosew.pbworks.com/w/file/fetch/144776343/application_of_educational_psychology_in_teaching_learning_process.pdfIn PDF document text
- http://piwomimagito.pbworks.com/w/file/fetch/144842439/michio_kaku_the_universe_in_a_nutshell_full_presentation_big_think.pdfIn PDF document text
- http://wekibivu.pbworks.com/w/file/fetch/144434229/dokodurul.pdfIn PDF document text
- http://sokulus.pbworks.com/w/file/fetch/144469026/42897636832.pdfIn PDF document text
- http://katafuzum.pbworks.com/w/file/fetch/144907194/gasegoti.pdfIn PDF document text
- http://natizasex.pbworks.com/w/file/fetch/144734703/elementos_de_derecho_efrain_moto_salazar_descargar.pdfIn PDF document text
- http://dakenesemi.pbworks.com/w/file/fetch/144914463/4176099857.pdfIn PDF document text
- http://serizedez.pbworks.com/w/file/fetch/144606672/93668401108.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_off00011b0a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B0A | 5488 bytes |
SHA-256: ddac6d08c865182acf201913e8e21b52c32a8301fb54ee8071dbfff067a68ace |
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font_01_sfnt_off00012da0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12DA0 | 13988 bytes |
SHA-256: d50f86d688d488e036459669c0980e167c930d1731066b3ed06bad0a4b2dcdfc |
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