MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains multiple links pointing to compromised WordPress sites and other domains, which in turn host other PDF files. This pattern suggests a link farm designed to distribute malicious content, likely for phishing or malware delivery. The ClamAV detection and ML classifier strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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://laborke.ru/uplcv?utm_term=passive+voice+with+the+present+and+past+simple PDF link annotation
- https://www.inkfactory.pk/wp-content/plugins/formcraft/file-upload/server/content/files/160945ed8558fb---93611250574.pdfIn PDF document text
- http://tapestry.cz/images/file/files/suropitobabek.pdfIn PDF document text
- https://marksiegeldds.com/wp-content/plugins/super-forms/uploads/php/files/aa3cd071df653fe5f8eceed1aca84238/rerusoxamamolodorixit.pdfIn PDF document text
- https://endoaccessories.com/wp-content/plugins/super-forms/uploads/php/files/akumn3hnh7csege4rhbbuggfgv/65707506623.pdfIn PDF document text
- http://www.alex-vasilkov.ru/images/wisdom/file/52004656169.pdfIn PDF document text
- https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/09232356568f5183d88c1f30f177c036/85030293451.pdfIn PDF document text
- http://aquamedia.cn/ckfinder/userfiles/files/jozetevuzolalewanoka.pdfIn PDF document text
- https://balance-global.com/wp-content/plugins/super-forms/uploads/php/files/3heqri3levlu71p9juotg8rnr4/82185677023.pdfIn PDF document text
- http://icloudcleaners.com/uploads/account/autoresponderfiles/zomedix.pdfIn PDF document text
- http://carsongrad75.com/clients/3/35/35717660c32d3dd9b0ffde8f33a19d23/File/kepipolitu.pdfIn PDF document text
- http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/v0rp5aoivqiivjni2j4mr8io72/77592550912.pdfIn PDF document text
- https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/24f2c90cd65edb4c4405cd7cfe498684/fojab.pdfIn PDF document text
- https://gmonlinestore.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b74bbb30f29---fegupexagesek.pdfIn PDF document text
- http://ankurgroups.com/userfiles/file/lufuxapunexadesasozisevi.pdfIn PDF document text
- https://www.carrentchiengmai.com/files/xijemulipo.pdfIn PDF document text
- https://sgpropertylawyers.com/wp-content/plugins/super-forms/uploads/php/files/a5b7a96852197fccee36d1cf5e41c469/vedomex.pdfIn PDF document text
- https://apoiotelecom.com/imagens/img_fckeditor/file/71826774794.pdfIn PDF document text
- http://ambulatorioveterinarioscapindandrea.it/userfiles/files/46448122377.pdfIn PDF document text
- https://aliencosmicexpo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ee4d29875c---47653820419.pdfIn PDF document text
- https://manualismedicina.hu/fileok/file/gubuxadeko.pdfIn PDF document text
- https://avis-medical.ma/wp-content/plugins/super-forms/uploads/php/files/47dd526b98e2860827d921473f500104/25942769556.pdfIn PDF document text
- http://erbilsunhotel.com/wp-content/plugins/super-forms/uploads/php/files/fq1od2f2rjlb1tdqh7pe3bke25/86883120916.pdfIn PDF document text
- https://morabia.fi/images/file/mowupesotasikowozidir.pdfIn PDF document text
- https://atkarisuli.hu/userfiles/file/86721590306.pdfIn PDF document text
- http://vanxuantravel.com/upload/files/43473588929.pdfIn PDF document text
- https://atlanthealth.com/wp-content/plugins/super-forms/uploads/php/files/00006d104be2b255dc5194753ad3113b/jisuv.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_off0000f2d1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2D1 | 17168 bytes |
SHA-256: 34abb274679a8720ea2913a9a30ed9fb8a87d2c69948069630942ff659dd1b93 |
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font_01_sfnt_off00011fc7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FC7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000137de.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x137DE | 10932 bytes |
SHA-256: c311d664aeeb11dc93884ff3611f26cc652199b0ce131cb89c695ec742ecd278 |
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