MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links pointing to compromised WordPress sites and other domains, suggesting it functions as a link farm to distribute phishing or malware. The presence of embedded URLs and the heuristic PDF_SEO_DISPOSABLE_LINK_FARM firing strongly support this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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://garglob.ru/uplcv?utm_term=traditional+rissoles+and+gravy PDF link annotation
- http://worksafeorg.com/wp-content/plugins/super-forms/uploads/php/files/0qgkm947mj93lp3uc20jkpuuu7/33732859091.pdfIn PDF document text
- https://olmitek.by/wp-content/plugins/super-forms/uploads/php/files/ae8lr1o7p6087lfl2qp8sf06a1/82825796422.pdfIn PDF document text
- http://automotiveenergy.cz/userfiles/file/wosixezeliralobekoge.pdfIn PDF document text
- http://www.zav-mito.si/wp-content/plugins/formcraft/file-upload/server/content/files/160a7b73d5fb1e---30198394509.pdfIn PDF document text
- http://misspacificus.com/clients/873634/File/surelo.pdfIn PDF document text
- https://www.ideaklinikkadikoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098687e0f1ef---18985931634.pdfIn PDF document text
- https://imapcb.org/wp-content/plugins/super-forms/uploads/php/files/amdr9h68uj7qnjr5jg4im2k3q3/71009136401.pdfIn PDF document text
- https://www.hotel-palladium.gr/wp-content/plugins/super-forms/uploads/php/files/c9n9p83ajohrm0eodskcgvq1gq/tujebebupakepuzeza.pdfIn PDF document text
- http://osc-pribor.ru/products_pictures/file/53820835158.pdfIn PDF document text
- https://swift-tw.com/lcc/upload/files/24611315797.pdfIn PDF document text
- http://anhbanglaw.com/userfiles/file/23640278930.pdfIn PDF document text
- https://sandalyecenneti.com/wp-content/plugins/super-forms/uploads/php/files/dnkf1bqtidj150eqra34kcjqnp/84455708668.pdfIn PDF document text
- https://zzarosiscarampola.it/file/31214239401.pdfIn PDF document text
- http://denki-shonan.com/uploadsfile/95616496090.pdfIn PDF document text
- https://tripleccompanies.com/wp-content/plugins/super-forms/uploads/php/files/98560f4601f154f7278dd7369135cfda/96821617014.pdfIn PDF document text
- https://nuregio.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606da5798783f---78612391930.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_off0000df63.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF63 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f775.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF775 | 17516 bytes |
SHA-256: 2a873e085773612c9aefd0802b3faa271c0e7f8c0184e782c65c61e603d29be4 |
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font_02_sfnt_off000124d2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x124D2 | 10568 bytes |
SHA-256: 5640e83c0986da0b2dce8dda174b37db8db08e6b0f9339043ac876bdb9c035d1 |
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