MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier. It contains a link farm pointing to multiple compromised WordPress sites, suggesting a phishing or malware distribution attempt. The embedded URLs are likely used to redirect the user to malicious content or download further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9486
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://krisoc.ru/uplcv?utm_term=i+was+you+were+he+was PDF link annotation
- http://birons.net/wp-content/plugins/super-forms/uploads/php/files/577fe4ab9f34cae27344ade2788d2d74/gibipajupimom.pdfIn PDF document text
- https://vinisfarm.com/wp-content/plugins/super-forms/uploads/php/files/76bc9e2bc6a50745b9a5eb7101c7bd85/77236126418.pdfIn PDF document text
- https://realestateconnect.biz/wp-content/plugins/super-forms/uploads/php/files/4qfmqeevmrek04u4qde9birm56/94909611021.pdfIn PDF document text
- https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/03b4b161f440c827ecfd26a33e615def/98441552381.pdfIn PDF document text
- http://dobrasekacka.cz/userfiles/file/3922485311.pdfIn PDF document text
- https://creationstationdance.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092412377a89---benubave.pdfIn PDF document text
- http://amdind.com/userfiles/file/lojen.pdfIn PDF document text
- https://jaiminsales.com/ckfinder/userfiles/files/vupulejuzike.pdfIn PDF document text
- https://gk-termopanel.ru/wp-content/plugins/super-forms/uploads/php/files/a91ed9ee5107f67a062de7a43fc322de/47096208470.pdfIn PDF document text
- https://hondamienbac.vn/userfiles/file/koxobifoji.pdfIn PDF document text
- https://trucraftsmanship.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d524307a8eb---13467718501.pdfIn PDF document text
- http://xn--80aab8aioy.xn--p1ai/userfiles/file/91986652530.pdfIn PDF document text
- https://drainscovers.com/wp-content/plugins/super-forms/uploads/php/files/b72c6c595f187b89598f7c44192fb18d/jovosagalodedezeno.pdfIn PDF document text
- http://smartmedicaleg.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086cb842c958---nasaj.pdfIn PDF document text
- https://gulfsupremesa.com/ckfinder/userfiles/files/kasigipogedab.pdfIn PDF document text
- https://emergent-partners.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092451394bdd---61854482262.pdfIn PDF document text
- https://laser-arena.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1607e347031bd4---zonigexodoro.pdfIn PDF document text
- http://foire-fromages-et-vins.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c95b5eb4c2---16026153507.pdfIn PDF document text
- https://ijpdua.com/contents//files/47660160272.pdfIn PDF document text
- http://orchid-daikanyama.com/userfiles/file/mudosaxadosufu.pdfIn PDF document text
- https://maydongy.com/wp-content/plugins/super-forms/uploads/php/files/qcl74apfr02oj312hhf7g1dl8s/83243011018.pdfIn PDF document text
- https://universal4shipping.net/userfiles/file/tuxonaguboxiwulafosovu.pdfIn PDF document text
- https://ercrs.org/wp-content/plugins/super-forms/uploads/php/files/2qo70moa34sh7gip9v99ij6l73/21897235570.pdfIn PDF document text
- https://mymango.ru/wp-content/plugins/super-forms/uploads/php/files/b51a489f9175a227a63067f6656f981d/43190243651.pdfIn PDF document text
- http://training-solutions.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160d9348ba38cb---74722213386.pdfIn PDF document text
- https://amirep.com/wp-content/plugins/super-forms/uploads/php/files/7cf4fa5a38f788004e9b80585e933d5d/25459862155.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 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f14d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF14D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001095f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1095F | 18884 bytes |
SHA-256: d559fd2bdae3c2a56952c6f022a3a88ec273f607afd5d8b68ac6df5e2cc6370d |
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font_02_sfnt_off00013822.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13822 | 10116 bytes |
SHA-256: 677182878c867b954a89b7b4e045f0fe86cde12496cc86ab80f480022e7110c2 |
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font_03_sfnt_off00014ef0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14EF0 | 17160 bytes |
SHA-256: 0031c3c2ba3b90d97080a977e9401a565477d1436ef4c4b456ff0784fff818bd |
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font_04_sfnt_off00016861.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16861 | 2064 bytes |
SHA-256: 5221cc56e96b657ff7c15f49bf1fbf1b5222e15cd7ffd769ce953162a3e53832 |
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