MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The ML classifier and ClamAV detection strongly indicate maliciousness. The PDF contains numerous links pointing to compromised WordPress sites, suggesting a link farm designed to redirect users to malicious content. The presence of multiple distinct hosts and the use of form upload plugin paths indicate a coordinated effort to host malicious files.
Machine Learning
- Nyx PDF Classifier malicious score 0.9866
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://cutletsmeat.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608dff529397d---85205330219.pdf In PDF document text
- https://jaunimodienos.lt/wp-content/plugins/super-forms/uploads/php/files/21bi8aflqg7nt1vjjmd1j0h1uk/78225945762.pdfIn PDF document text
- https://adtw1.com/ckfinder/userfiles/files/94361481447.pdfIn PDF document text
- https://idd.no/ckfinder/userfiles/files/65345808064.pdfIn PDF document text
- http://www.training4thefuture.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608759e1d4074---90467210548.pdfIn PDF document text
- https://linardi.ru/files/file/gejajafafumulivilapuwu.pdfIn PDF document text
- http://www.marsagri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac38c3058db---nenosefamejiv.pdfIn PDF document text
- http://www.marcelasemper.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c46da214d7---tixubiz.pdfIn PDF document text
- https://www.d-table.com/wp-content/plugins/super-forms/uploads/php/files/6d190f2b0c7eaa2aa112cc24e4e5472e/luzamividowizodika.pdfIn PDF document text
- http://sghscsjamarai.org/guruhargobind/userfiles/file/21020704077.pdfIn PDF document text
- http://kadernictvo-svetlana.sk/editor_uploads/system/files/21018723721.pdfIn PDF document text
- https://tamtam.com.ua/wp-content/plugins/super-forms/uploads/php/files/568d90ca1dade6d17ed5e97f7155927b/xevik.pdfIn PDF document text
- http://secohthailand.com/file_media/file_image/file/31142721695.pdfIn PDF document text
- https://cursosadistanciayonline.com/medios//files/24697338689.pdfIn PDF document text
- http://hi-reid-solutions.com/wp-content/plugins/super-forms/uploads/php/files/a518a1424e32032a45d6e5af0853e444/77493428741.pdfIn PDF document text
- http://testplanet.nl/uploads/files/numepabu.pdfIn PDF document text
- https://www.marthatrotts.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1608244f84c5c5---38336973792.pdfIn PDF document text
- http://curry-box-deluxe.de/userfiles/file/vowidufufo.pdfIn PDF document text
- https://notofthisgalaxy.com/wp-content/plugins/super-forms/uploads/php/files/mpdscte3ndndb498ugdkj93v5g/84154628488.pdfIn PDF document text
- http://amako-ra.com/wp-content/plugins/super-forms/uploads/php/files/185f749f77b8e69ea2525f964e094284/51644083820.pdfIn PDF document text
- http://finemetal-cn.com/upload/files/33618504156.pdfIn PDF document text
- http://zajazd-broadway.pl/galeria/file/fovuzaregozolo.pdfIn PDF document text
- https://3dreamstudios.com/wp-content/plugins/super-forms/uploads/php/files/0f875a8e99f3865b5b07c654c12d8352/mevujetitiwupejumidowovit.pdfIn PDF document text
- https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/0daafe06f45cff3d6133539ca24e4c35/dabimazesarekoja.pdfIn PDF document text
- https://www.reachcast.ca/wp-content/plugins/super-forms/uploads/php/files/072295fbd21ca7fc1a8dea1e1d949de0/nuwalulumotamasibo.pdfIn PDF document text
- http://robwalker.net/fckupload/file/bugejasubuw.pdfIn PDF document text
- https://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b288291a489---fajewopodazenewul.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=lista+de+verbos+regulares+e+irregulares+en+ingl%C3%A9s+pdfPDF 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_off0000fd65.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD65 | 17868 bytes |
SHA-256: 535f7e81356aeb8814fbaa101e0af14b3fc36a2f5c61c1b64688f95f5fe9fdbe |
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font_01_sfnt_off00012ae7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12AE7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000142fe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x142FE | 11092 bytes |
SHA-256: cb3a43730e3d5504df32d9d0468138d1e8924fdb1ec500478fb726a77ffbb811 |
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