MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document contains numerous external links, many of which point to SEO-optimized PDF files, suggesting a link farm or phishing campaign. The primary link directs to a URL that appears to be an SEO redirector, likely used to obscure the final destination, which is suspected to be a phishing or malware distribution site. The ML classifier and ClamAV detection strongly indicate malicious intent.
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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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://ketchas.ru/pbw?utm_term=how+to+tighten+a+bolt+in+a+tight+space PDF link annotation
- https://static.s123-cdn-static.com/uploads/4387586/normal_5ff06e37c5455.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4378845/normal_5fca4d507eab3.pdfIn PDF document text
- https://pozemake.weebly.com/uploads/1/3/0/7/130776760/1d77201409db3.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4380531/normal_601a7f1349ad2.pdfIn PDF document text
- https://fasexonepagi.weebly.com/uploads/1/3/0/9/130969542/luzubo-fuluwituris-nemowogilige-fibexiwixavov.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4476301/normal_5ff7858bb83e5.pdfIn PDF document text
- https://static.s123-cdn-static-d.com/uploads/4369323/normal_60b38e5a80868.pdfIn PDF document text
- https://gepubife.weebly.com/uploads/1/3/4/3/134315704/xakoxem_xakokikozegugul.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4488809/normal_5fe4b43dafda3.pdfIn PDF document text
- https://zuxibonidape.weebly.com/uploads/1/3/4/8/134889984/e3f03f.pdfIn PDF document text
- https://desijikero.weebly.com/uploads/1/3/5/9/135964668/dudavake.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4470833/normal_606195ba0e0cf.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4475727/normal_6009d21845901.pdfIn PDF document text
- https://mufuxavezefajox.weebly.com/uploads/1/3/4/4/134497947/0ff0ce8354.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4407060/normal_6041e3c445021.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4382208/normal_5fda0b83903d0.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4365636/normal_60021b41366a4.pdfIn PDF document text
- https://newzealandrx.co.nz/buy-cialis-soft-new-zealand.htmlIn 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/63391ef8-a862-4890-97eb-17818438e7f2/jasetil.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/013ad2cb-ce14-43c6-a655-5c8bd97db0f8/bomba_hidraulica_paletas_funcionamiento.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/65bcadb8-527b-4c12-a13d-00fa1b20a595/40640402031.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_off0000e8b8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8B8 | 5292 bytes |
SHA-256: 73a3286aeaa85df4ac950e23419cc41c9e8e09d8d64379ea35c71c398e9c7e00 |
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font_01_sfnt_off0000facc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFACC | 11092 bytes |
SHA-256: 3ead552414293bb1b49b3f61178689a777696de9927e6c9f7189dd02247de751 |
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