MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to disposable hosting or compromised CMS upload directories, indicative of a link farm designed to distribute malicious content. The ClamAV detection and ML classifier strongly suggest malicious intent, likely related to phishing or malware distribution via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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 http://annabarons.lv/files/files/13619986269.pdf In PDF document text
- http://morenoroofing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613689f7405f0---tusawupekanaro.pdfIn PDF document text
- http://watthaistuttgart.de/userfiles/file/visugutijafefevag.pdfIn PDF document text
- http://yachtandgulet.com/userfiles/file/38205535593.pdfIn PDF document text
- https://xn----7sbbg1ddpkdc.xn--j1amh/uploads/files/58626325413.pdfIn PDF document text
- https://xn--b8qxb801j.tw/upload/files/wozuxizixuvokodisugu.pdfIn PDF document text
- http://99hospitalitygroup.com/ckfinder/userfiles/files/28022748628.pdfIn PDF document text
- http://donghotam.com/luutru/files/239139329.pdfIn PDF document text
- https://chsins.tw/uploads/files/202109130316171500.pdfIn PDF document text
- https://intelean.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143412d71325---37283715389.pdfIn PDF document text
- http://kozszemle.hu/uploads/files/11756607247.pdfIn PDF document text
- http://oishisushigd.com/uploads/files/41229929681.pdfIn PDF document text
- https://markaoyun.com/calisma2/files/uploads/50233394048.pdfIn PDF document text
- http://tischlerei-schlusche.de/sites/default/files/file/dagitonawazimumuvoxesot.pdfIn PDF document text
- http://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613dc6c625f89---tupisabisuvixipofivuwi.pdfIn PDF document text
- http://ketphatthinh.vn/upload/files/nataxojukibe.pdfIn PDF document text
- http://shopabrang.com/images/files/setuwewukuro.pdfIn PDF document text
- http://rideco.hu/upload/file/19707759462.pdfIn PDF document text
- http://phdpecs.hu/userfiles/files/fabalaranow.pdfIn PDF document text
- https://fcksa.com/ckfinder/userfiles/files/ziwibife.pdfIn PDF document text
- http://thrifty-uy.com/files/others/29070436223.pdfIn PDF document text
- http://creativeindustries.ru/uploads/userfiles/file/136034652.pdfIn PDF document text
- https://krainaogrodow.eu/zdjecia/fck/file/larimopurabeko.pdfIn PDF document text
- https://playindiano1.in/ckfinder/userfiles/files/vizoj.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=raw+2016+watch+onlinePDF link annotation
- https://www.thc.gda.pl/ckfinder/userfiles/files/1035884410.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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000aef6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAEF6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c708.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC708 | 14552 bytes |
SHA-256: 3b8d876292dd3d3dd160423f9e1071f9c182afc2b59b17ed2d29da21d57eb9b7 |
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font_02_sfnt_off0000eb4c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB4C | 10652 bytes |
SHA-256: 3d7233d083a2a66bb0d14d3648dbe54673dd25a7621461f901a13ed5429caa68 |
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