MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains embedded JavaScript and external URIs, indicating a malicious intent to redirect users to potentially harmful content. The heuristic 'PDF_SEO_UTM_REDIRECTOR_LINK' specifically points to a phishing lure disguised as a free download, hosted on a compromised WordPress site. The ML classifier and ClamAV detection further support the malicious nature of this file.
Machine Learning
- Nyx PDF Classifier malicious score 0.7397
Heuristics 7
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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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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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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://wirut.co.za/XSRYdR1H?utm_term=bambara+kannaley+movie+comedy PDF link annotation
- http://ambulatorioveterinarioilprato.eu/userfiles/files/18680142080.pdfIn PDF document text
- http://vizit-k.net/uploads/editor/files/97725266820.pdfIn PDF document text
- https://euforbiabulgaria.gbinvest.net/uploads/pages/files/xutobidivuzopenowojexoj.pdfIn PDF document text
- https://adamant54.ru/userfiles/files/97179456134.pdfIn PDF document text
- https://serviceelectric.ca/userfiles/file/27090651681.pdfIn PDF document text
- http://www.krishnashouse.com/ckeditor/kcfinder/upload/files/zuxetupewadunowetafawas.pdfIn PDF document text
- http://czyxchem.com/upload/files/94210474664.pdfIn PDF document text
- http://prospekt-rostov.ru/ckfinder/userfiles/files/55882062753.pdfIn PDF document text
- http://cgpreceptor.com/ckfinder/userfiles/files/36845759356.pdfIn PDF document text
- http://nandishoverseas.com/UserFiles/File/51703797380.pdfIn PDF document text
- https://midlanddevelopers.com/backend/web/kcfinder/upload/files/tinitagifovelebepenug.pdfIn PDF document text
- http://kbinteriery.cz/userfiles/file/nilibiko.pdfIn PDF document text
- https://nicemexico.net/wp-content/plugins/formcraft/file-upload/server/content/files/16200e6da933d2---53907025800.pdfIn PDF document text
- http://xn--q20b13r9leepaeb.net/upload/file/202202271256467756.pdfIn PDF document text
- http://theshop24.com/userfiles/file/4443951242.pdfIn PDF document text
- http://www.regional4.org.ar/administrador/kcfinder/upload/files/subumoxatudul.pdfIn PDF document text
- http://danchrisjewelry.com/userfiles/file/30438835508.pdfIn PDF document text
- http://www.varnamonarradio.se/admin/kcfinder/upload/files/folaboxubizozar.pdfIn PDF document text
- http://www.css-jp.com/upfile/files/2022/03/19/35518688731.pdfIn PDF document text
- https://dipinkrishna.com/wp-content/plugins/formcraft/file-upload/server/content/files/1622b0fe641659---gojodepib.pdfIn PDF document text
- http://radioevangilereal.com/assets/ckfinder/core/connector/php/uploads/files/bubexugi.pdfIn PDF document text
- https://kvartira-zalog.ru/wp-content/plugins/super-forms/uploads/php/files/3dea51d7e6070008630d5e2db277b65d/33357404541.pdfIn PDF document text
- http://pustelnik-budownictwo.pl/ckfinder/userfiles/files/79413713651.pdfIn PDF document text
- http://primesystem.kz/app/webroot/js/kcfinder/upload/files/giwuverenodona.pdfIn PDF document text
- http://sgrdinstitutionspandher.org/sgrd/userfiles/file/33473591933.pdfIn PDF document text
- http://ndc-group.ru/uploads/files/66576071698.pdfIn PDF document text
- http://asktasi.com/ckeditor/kcfinder/upload/files/dolipirivabufiveno.pdfIn PDF document text
- https://ost-fogging.com/upload/files/rupafexofeget.pdfIn PDF document text
- https://davaocarrental.com/images/file/90426475283.pdfIn PDF document text
- https://entabe.jp/upload/20220221/files/22518320600.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_off0004ffb2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4FFB2 | 19576 bytes |
SHA-256: 476283c2a5c2d0c403e71ccadff038f78cf5426558c413157d0b3c940793b363 |
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font_01_sfnt_off00053298.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x53298 | 16560 bytes |
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9 |
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font_02_sfnt_off000549b8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x549B8 | 10728 bytes |
SHA-256: c9399c5379163dedc70ee72f17e0241036e3e2e3ddacf4abd13b00d5b5b811ad |
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