MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The ML classifier and ClamAV detection strongly indicate maliciousness. The PDF contains numerous links pointing to compromised CMS upload storage and disposable hosting, characteristic of a link farm designed to redirect users to malicious sites. While no scripts were explicitly extracted, the PDF structure and embedded links suggest an attempt to exploit users through a phishing or malware distribution lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
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://salvamontbihor.ro/app/webroot/files/userfiles/files/lasij.pdf In PDF document text
- https://nscs.org/wp-content/plugins/super-forms/uploads/php/files/99078ea7d24cb0feccade370c4188189/61102197524.pdfIn PDF document text
- https://www.frankreich-ferien.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1608b02f4e00f3---56866867519.pdfIn PDF document text
- http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608550f6e18f2---wedudonoronalipi.pdfIn PDF document text
- https://fortlauderdale-carservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d75fd2af629---28066899001.pdfIn PDF document text
- http://macautemple.com/userfiles/file/tefejiwigaximitipitokab.pdfIn PDF document text
- https://kantankacreative.com/wp-content/plugins/super-forms/uploads/php/files/bf6663030609e107a5a9100e60a1234c/subojomufijimapepugosetap.pdfIn PDF document text
- http://banglenhospital.com/UserFiles/File/17836593197.pdfIn PDF document text
- https://www.arphplumbing.co.uk/wp-content/plugins/super-forms/uploads/php/files/qc7p9amq1nu0cjtlisjmaqsffv/73985987294.pdfIn PDF document text
- https://ccveg.org/wp-content/plugins/super-forms/uploads/php/files/0vd2125bukpg8fnkfkmdpdivl8/siviravamutamepamo.pdfIn PDF document text
- http://speckrepeg.by/UserFiles/files/gejuzigukosefonoto.pdfIn PDF document text
- http://www.holderit.com/wp-content/plugins/formcraft/file-upload/server/content/files/160add2c260e51---junisuwakivumojunejale.pdfIn PDF document text
- https://sellerflows.com/wp-content/plugins/super-forms/uploads/php/files/014717235718e237c7b9b0a9e31f3df9/kosamuwosareku.pdfIn PDF document text
- http://fotoprint.lv/downloads/file/nivut.pdfIn PDF document text
- http://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161153d660b33c---miwexowevo.pdfIn PDF document text
- https://steammining.com/userfiles/file/buxawuvaxagamoz.pdfIn PDF document text
- http://www.studiolegalefusimorelli.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa54d166a21---81449558915.pdfIn PDF document text
- https://talenthunt.biz/userfiles/file/gabozu.pdfIn PDF document text
- http://mesotects.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5f4f87ffdd---11701211863.pdfIn PDF document text
- http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610837b7113b2---bimopulafomexiwalajubawa.pdfIn PDF document text
- https://chiataiec.com/userfiles/Proj_Name//files/dezusisajigipufezogajasov.pdfIn PDF document text
- https://eandjfamilyhealthcenter.com/wp-content/plugins/super-forms/uploads/php/files/f983b7bf512067a1202c5fdba6ea4a2f/muvuvusolumiwekomun.pdfIn PDF document text
- http://diamond6ranch.com/userfiles/file/61432182004.pdfIn PDF document text
- http://www.franklinwebdesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160708ed6b6300---jotufoxew.pdfIn PDF document text
- https://lamaisonducoeur.ca/upload/editor/file/sojexilusawimozudirudo.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=bases+for+town+hall+9PDF 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_off0000ed0e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED0E | 10524 bytes |
SHA-256: b384e23c2779aa50bf6d663c1a784f69dcd6f428691041cb2976a7547cb3f616 |
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font_01_sfnt_off00010519.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10519 | 18164 bytes |
SHA-256: f836c269b6bed2c43f651f7b2ce62a5ba7fb4a672b5bd8dd9d6684e52bbad540 |
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font_02_sfnt_off0001345b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1345B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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