MALICIOUS
196
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 for Pdf.Phishing.Trojan. The presence of a large number of external links, including a link farm and an SEO redirector, suggests an attempt to direct users to malicious websites. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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://medvor.ru/pbw?utm_term=react+bootstrap+ecommerce+template+free PDF link annotation
- https://static.s123-cdn-static.com/uploads/4367640/normal_5ff0ce9f38950.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4495975/normal_602dda7551a53.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4374984/normal_6019bd0c5ad6b.pdfIn PDF document text
- https://funiduned.weebly.com/uploads/1/3/4/7/134773133/fujasawitokoborij.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4410702/normal_5fc9beac5f198.pdfIn PDF document text
- https://vamabeloketofip.weebly.com/uploads/1/3/4/3/134344852/5697614.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4454671/normal_6023653b13776.pdfIn PDF document text
- https://xokotenesuku.weebly.com/uploads/1/3/1/4/131438709/rogitebakavavoxi.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4373271/normal_5ff0334a5bd55.pdfIn PDF document text
- https://milonotupilo.weebly.com/uploads/1/3/5/3/135347339/5099536.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368758/normal_60498e5bc4fce.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4381090/normal_5fd0604831498.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4444110/normal_604a80649183b.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4384036/normal_6008c9f02be4d.pdfIn PDF document text
- https://fobabugukejapa.weebly.com/uploads/1/3/4/5/134576868/tenupetumajupisibi.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4481072/normal_5ff4ecf76231c.pdfIn PDF document text
- https://pebusopewege.weebly.com/uploads/1/3/4/7/134752512/8d59263.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4392854/normal_60561076d3bdb.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4459321/normal_5fceb6b2b558a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4445729/normal_6067be0651608.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://savavaze.pbworks.com/w/file/fetch/144470985/transistor_configuration_download.pdfIn PDF document text
- http://lulimogosan.pbworks.com/w/file/fetch/144524013/tunixexitejidumakeso.pdfIn PDF document text
- http://jesababa.pbworks.com/w/file/fetch/144425370/does_total_fitness_do_nhs_discount.pdfIn PDF document text
- http://sokulus.pbworks.com/f/kesolaxozol.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_off0000ff2c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF2C | 5308 bytes |
SHA-256: fab128466b5fa4ec37dddac9d550efeb330ec06987c02426383915f6ea41efdf |
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font_01_sfnt_off00011123.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11123 | 10616 bytes |
SHA-256: b9027020322263f5f2db6c695fe7c98772c83830640a36c91cca2182d1620304 |
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