MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded URLs pointing to compromised WordPress upload directories and disposable hosting, suggesting a link farm designed to redirect users. The PDF structure and embedded URLs are consistent with phishing or malware distribution tactics.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://inwebjor.ru/uplcv?utm_term=thought+for+the+day+for+office+staff PDF link annotation
- https://www.amiunaorchestra.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160819310acf21---6169927074.pdfIn PDF document text
- http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/ttrefpv3pkb7hrhbmovtkd48g3/gilavemevozomowupa.pdfIn PDF document text
- https://www.inter-tube.co.uk/wp-content/plugins/super-forms/uploads/php/files/b7d96907b9882d5c4d26fddfe61fdf5f/rujevetorolulitatatip.pdfIn PDF document text
- https://goactive.hu/wp-content/plugins/super-forms/uploads/php/files/e1cac12638a2ceadea4739ab9db4062c/gudufojozuvuvonunagor.pdfIn PDF document text
- http://sad-azov.ru/wp-content/plugins/super-forms/uploads/php/files/b93a664ca877c0c7d74e36e59d8aea18/vabamigebijovo.pdfIn PDF document text
- https://www.espymetcalf.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082b1c1d6ad0---diposudiwaraxe.pdfIn PDF document text
- http://93564497.com/userfiles/jipimevekulisipakotifiwek.pdfIn PDF document text
- http://woodwork.pl/ubezpiecz/obrazy/file/refiriwasat.pdfIn PDF document text
- http://longarmquiltacademy.net/fckeditor/userfiles/file/vinajubatemed.pdfIn PDF document text
- http://skybuildinfraprojects.com/uploads/rosikevupikilav.pdfIn PDF document text
- http://kibbkw.com/uploads/file/tazibe.pdfIn PDF document text
- https://dongytueduc.com/wp-content/plugins/super-forms/uploads/php/files/lu13528bjtlm7itl0sqjnrcup7/zasipovopuxolar.pdfIn PDF document text
- http://uniondeautoescuelas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c3bff386cb---dabidem.pdfIn PDF document text
- https://prosperitas.be/data/assets/file/pijozeguvewo.pdfIn PDF document text
- https://claphamjunction.com.au/wp-content/plugins/super-forms/uploads/php/files/20ee9a1ced42710e6fa6ada2c9e50151/6612819841.pdfIn PDF document text
- http://orkoien.com/userfiles/files/45261496181.pdfIn PDF document text
- http://btc-ltd.com/upload/file/30348114172.pdfIn PDF document text
- http://techsystem.gr/data/uploads/ckeditor/files/47690940745.pdfIn PDF document text
- https://beachesbrewing.com/wp-content/plugins/super-forms/uploads/php/files/24e34d4defcdcac1838f4649c6e79e20/30052320334.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_off0000eaf0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEAF0 | 10780 bytes |
SHA-256: 748896eed78251232219bc5a33a9d8b97e04ebfea8515bc0494f739bc437acd2 |
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font_01_sfnt_off000103c6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103C6 | 16768 bytes |
SHA-256: 2e292795f176e75cc13fad2be1b999afaf24e632767109799673d0c22a531a44 |
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font_02_sfnt_off00012f95.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F95 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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