MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ClamAV as a phishing trojan and ML classifiers indicated a high probability of maliciousness. Heuristics identified the document as a link farm, with numerous external URIs pointing to potentially compromised or disposable hosting. The presence of multiple PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM firings strongly suggests a malicious intent to redirect users to harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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 https://queure.ru/uplcv?utm_term=android+10+ui+kit+figma PDF link annotation
- http://hoangnampte.vn/quangbasanpham/app/webroot/upload/image/files/fitafo.pdfIn PDF document text
- http://lachambredechos.com/userfiles/file/69811516776.pdfIn PDF document text
- https://lanna-flyingclub.com/ckfinder/userfiles/files/binex.pdfIn PDF document text
- http://prestinoequitacion.com/imagenes/upload/files/25554771323.pdfIn PDF document text
- http://reclaimsplus.com/wp-content/plugins/super-forms/uploads/php/files/860d8eaef2d6c1db7e80bc461eefb58d/wepalumubebaxetej.pdfIn PDF document text
- https://hongmao.tw/uploads/files/202109011804596454.pdfIn PDF document text
- https://golf-tout-terrain.com/publish/page/file/rowawosupesi.pdfIn PDF document text
- http://megalaserasia.com/upload///4060920313.pdfIn PDF document text
- http://sarkar.ie/userfiles/file/29093671827.pdfIn PDF document text
- http://chonburi33.com/userfiles/file/gufarutarasuka.pdfIn PDF document text
- http://dgelc.com/userfiles/file/20210908195459.pdfIn PDF document text
- https://louvre.lv/res/wysiwyg/file/pejijikekafolesajodil.pdfIn PDF document text
- http://hotelniagararimini.eu/userfiles/files/47038667972.pdfIn PDF document text
- https://shatalarab-llc.net/userfiles/files/85119988986.pdfIn PDF document text
- http://maxitelt.no/wp-content/plugins/formcraft/file-upload/server/content/files/16139389a94de1---69901012060.pdfIn PDF document text
- http://tobn56.com/UpFiles/file/49396025706.pdfIn PDF document text
- http://musicpark-live.de/userfiles/file/setibefubapojofelotem.pdfIn PDF document text
- http://milcontabil.com.br/wp-content/plugins/super-forms/uploads/php/files/tu122mn7e81iphu4f8pve1i0q6/67134590688.pdfIn PDF document text
- http://www.haztartasigepszakuzlet.hu/pics/file/subasawitebana.pdfIn PDF document text
- http://ewhamd.net/upFiles/ckeditor/files/92306819252.pdfIn PDF document text
- http://dlastudenta.org/Upload/file/7463464757.pdfIn PDF document text
- https://doitsolutions.co/wp-content/plugins/super-forms/uploads/php/files/c155f6636c80cdfa4047271cee27ebfb/jutejozetup.pdfIn PDF document text
- http://colafranceschi.it/userfiles/files/lokotobopusemazuwevasipa.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_off0000ca67.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA67 | 17600 bytes |
SHA-256: 99e51f4e37326eac79873187d75ec79f82e8781880befb41eba8d8a817b76235 |
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font_01_sfnt_off0000f801.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF801 | 10696 bytes |
SHA-256: d0867565a5e60651772514388d680fb2c31aba259976f7c6fb3adeab07f20379 |
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font_02_sfnt_off00011068.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11068 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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