MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to compromised WordPress sites and appear to be part of a link farm. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or distributing further malware. The primary function observed is the redirection of users through a network of potentially compromised websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9932
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://fobiy.net/wp-content/plugins/super-forms/uploads/php/files/7a5941db3f5577bcf9ff6ddbbb6eb858/26025052383.pdf In PDF document text
- http://www.biotanika.pl/upload/file/xabuledopebete.pdfIn PDF document text
- https://gruppopolidori.com/upload/image/file/23393189872.pdfIn PDF document text
- https://smilepaper.tw/archive/upload/files/menedobulidi.pdfIn PDF document text
- http://www.kliningstroy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a2e9f238c57---11017035636.pdfIn PDF document text
- https://victory-agency.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c87155d3251---bogusigopobovavorilab.pdfIn PDF document text
- http://www.peretprod.ro/content-images/file/45517768269.pdfIn PDF document text
- http://www.iso-clean.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160cdaabdedc60---gomawosowudipajegijagafo.pdfIn PDF document text
- http://baraanduliaptti.org/userfiles/file/vomek.pdfIn PDF document text
- https://nceptionsolutions.com/wp-content/plugins/super-forms/uploads/php/files/b3b91637bc9114e0cf8b777f0f17267d/nuwumosusebaj.pdfIn PDF document text
- https://readxyz.com/wp-content/plugins/super-forms/uploads/php/files/aca4cbe1c9f0d3df6326e5ffaaf16162/desawaguwasemobuwilatiseb.pdfIn PDF document text
- http://krukewittfarms.com/userfiles/file/26507973742.pdfIn PDF document text
- http://fandimnarodaku.cz/upload/file/15130086773.pdfIn PDF document text
- http://broadviewlibrary.org/uploaded_bvlib/file/bafomolofovanexa.pdfIn PDF document text
- https://yildizwebpaket.com/calisma2/files/uploads/jokugofepij.pdfIn PDF document text
- http://camel-republic.com/media/userfiles/files/xipojujemuwidux.pdfIn PDF document text
- http://cana.vn/uploads/userfiles/file/fovakodokibij.pdfIn PDF document text
- https://advancedbusiness.co/wp-content/plugins/super-forms/uploads/php/files/c29d34186d9efbbeb8c298ad95782968/35634109690.pdfIn PDF document text
- http://basaritarim.net/admin/editor_resim/file/64126436256.pdfIn PDF document text
- http://orchid-daikanyama.com/userfiles/file/talanobujel.pdfIn PDF document text
- https://aryaayur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609afa9573912---vubokijobezo.pdfIn PDF document text
- https://jollytime.ru/wp-content/plugins/super-forms/uploads/php/files/6607a9fa1d55101dc2fce4b2664d2641/68231485741.pdfIn PDF document text
- https://malimbe.africa/wp-content/plugins/super-forms/uploads/php/files/8dd92f9e4c767f94ff6767ddaa9cce71/jukib.pdfIn PDF document text
- http://skuplaptop.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16090ad7d08699---bakafogote.pdfIn PDF document text
- https://smoothnomad.com/wp-content/plugins/super-forms/uploads/php/files/1d2ve4vnt578dgkrmiank24rqo/51300158414.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=act+3+scene+5+as+you+like+it+summaryPDF link annotation
- 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_off0001412a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1412A | 17588 bytes |
SHA-256: a5aa6a0a85f08ee421665e5a82a6d5904db7752cef7f6da7e8fd0ba64f4470cc |
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font_01_sfnt_off00016f4b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16F4B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00018762.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18762 | 10984 bytes |
SHA-256: 829acb5a00bb85cf05094138591f2ce3fb380b73b2a106e6428e172fc3550021 |
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