MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous external links, many pointing to PDF files hosted on various domains, indicating a link farm designed to redirect users. Heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' suggest these links are part of a scheme to distribute malicious content or phish for information. The ML classifier and ClamAV detection further support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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://smidgel.ru/uplcv?utm_term=pes+2019+app PDF link annotation
- https://realimpacto.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1614c60e73fd81---duliziwezovanuw.pdfIn PDF document text
- http://hgbs.de/userfiles/file/vekesoxedenuwufefuvovofel.pdfIn PDF document text
- http://pekbdt.com/filespath/files/20210913193517.pdfIn PDF document text
- http://baggiez.net/userfiles/file/puranaviwu.pdfIn PDF document text
- http://georgekoldun.com/var/upload/file/gunutazefepi.pdfIn PDF document text
- http://tongrentangthai.com/UserFiles/file/tojimanaredixogiperulabif.pdfIn PDF document text
- http://webmenuplus.com/images/file/29622518326.pdfIn PDF document text
- https://easresidence.ro/app/webroot/files/userfiles/files/54151125959.pdfIn PDF document text
- https://servingltda.com/userfiles/file/fefexuje.pdfIn PDF document text
- http://www.smartlandgroup.com/ckfinder/userfiles/files/71999661337.pdfIn PDF document text
- http://lso-msm.com/userfiles/file/73577776574.pdfIn PDF document text
- https://rougezenekar.hu/files/file/dakusakifafudefejula.pdfIn PDF document text
- http://vanillasky-ch.com/images/files/65430948361.pdfIn PDF document text
- http://wangguanhardware.com/userfiles/file/lorepojer.pdfIn PDF document text
- https://sandalyecenneti.com/wp-content/plugins/super-forms/uploads/php/files/gkav9oeevc1itu7n81vrk9lhrq/40482551809.pdfIn PDF document text
- http://nhadephoanhao.vn/upload/ckupload/files/61692486494.pdfIn PDF document text
- http://imhyuk.com/imhyukeditor/userfile/file/napodexobowikifa.pdfIn PDF document text
- https://fleseriuassociates.ro/files/file/52320273290.pdfIn PDF document text
- http://chiesamadremarsala.eu/userfiles/files/11283528477.pdfIn PDF document text
- http://debandhelder.nl/ckfinder/userfiles/files/34083580984.pdfIn PDF document text
- https://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/161487a6fc321e---29829093888.pdfIn PDF document text
- http://eatatrudy.com/uploads/files/53055148669.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_off0000ae5f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAE5F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c676.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC676 | 10148 bytes |
SHA-256: 5521f27a8a76d9bf3c33a0715d277dc64702ef83d8ce971cf036e3c1ce74e959 |
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font_02_sfnt_off0000dd66.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD66 | 16720 bytes |
SHA-256: f8dde5f50aafe2ab14850e670514d601a25d9df550152db1f38249449e467edb |
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