MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links, many pointing to compromised WordPress upload directories, suggesting a link farm designed to redirect users to malicious content. The presence of these links and the overall detection indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://artsketch.ru/wp-content/plugins/super-forms/uploads/php/files/8973ed2dda3dc167b040ea5bc093aeda/sunenisebolilivunexo.pdf In PDF document text
- http://alwaditrading.com/userfiles/files/pesamujeresonuze.pdfIn PDF document text
- https://www.partyshuttlebus.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1612ffa6798af9---bipixaroluxogi.pdfIn PDF document text
- https://givemeit.ru/wp-content/plugins/super-forms/uploads/php/files/f31111c56332bf76b7fd4588315998da/tagubedudif.pdfIn PDF document text
- http://xn--80aaeiengkwpz6p.xn--p1ai/pub/file/didof.pdfIn PDF document text
- http://aa-nusd.jp/63324965557.pdfIn PDF document text
- https://mymango.ru/wp-content/plugins/super-forms/uploads/php/files/c1f863132037a69c9f3c8ca325a86d9f/7285594624.pdfIn PDF document text
- https://argumentua.com/i/file/jabude.pdfIn PDF document text
- http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/vi3mal3bprf7oaof9kinkudov3/kutikid.pdfIn PDF document text
- https://digireg.cz/upload/mutugegipepunowoxonewalu.pdfIn PDF document text
- http://globalnetworks.de/www.galabau-poscher.de/main/preview/ckfinder/userfiles/files/bitotubaduvexukedojoxagon.pdfIn PDF document text
- https://pensionatiitalianiinportogallo.it/wp-content/plugins/super-forms/uploads/php/files/c8af80f36507cc328f9b991542dabb5f/gekitarikufawamixoj.pdfIn PDF document text
- https://tehnol.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a37d0fafbda---famowebovelexo.pdfIn PDF document text
- https://accuratesearch.com/userfiles/file/51512947233.pdfIn PDF document text
- http://immodraft.de/images/architekten_agentur_images_/file/xinatomadekaz.pdfIn PDF document text
- http://studiopignotti.it/userfiles/files/jarotefatarepofatu.pdfIn PDF document text
- http://tlproduct.com/userfiles/file/94822105931.pdfIn PDF document text
- http://makaifruits.com/wp-content/plugins/formcraft/file-upload/server/content/files/16100c3fa92a31---gusox.pdfIn PDF document text
- https://ecoretras.com/file/14147136638.pdfIn PDF document text
- http://www.argentum.com/wp-content/plugins/super-forms/uploads/php/files/t9ef8bbhi55tn3d441v1b9666f/17815678616.pdfIn PDF document text
- http://mtlebanon62.com/clients/5/5e/5ee551a8be14a26d7d76bc5e90dd1372/File/lekuridiwigefelerufipez.pdfIn PDF document text
- https://www.sahabatkeluargahomecare.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4c1a3567b6---xutusevev.pdfIn PDF document text
- http://elitacasa.it/images/file/75620152903.pdfIn PDF document text
- https://ev-owners.jp/userfiles//files/lezeribatepakomuz.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=how+are+severance+packages+taxedPDF 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_off0000d30f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD30F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000eb21.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB21 | 17260 bytes |
SHA-256: c30ef7747f7068ba0cb7f5bd83ca6041383d1e0a40c5c3596a3144a9f46d06c2 |
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font_02_sfnt_off00011828.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11828 | 10888 bytes |
SHA-256: 39f38b6921e9fdc846f5445f2339099ba98f846910430ca0939581ab3fae1601 |
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