MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded URLs, many of which point to compromised WordPress sites. The ML classifier and ClamAV both flagged this file as malicious, specifically identifying it as a phishing or trojan PDF. The primary function appears to be directing users to potentially malicious or SEO-manipulated content through a link farm.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://gresathouse.com/wp-content/plugins/super-forms/uploads/php/files/2d93ddf3fd7bd31038d8d7a35a2bec8e/kemugaduse.pdf In PDF document text
- http://lnimeina.it/userfiles/files/folokeponadazavop.pdfIn PDF document text
- https://lsp.od.ua/wp-content/plugins/super-forms/uploads/php/files/iitl40lbnasq7dqebf5nt8add3/piderukasemewegidoxu.pdfIn PDF document text
- http://brunagabriele.it/userfiles/files/52242193231.pdfIn PDF document text
- http://psychologkmalinowska.pl/ckfinder/userfiles/files/bamikefuwapudet.pdfIn PDF document text
- https://bursaceviritercume.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089e6f4e3251---5215170017.pdfIn PDF document text
- http://koreaseals.com/ckfinder/userfiles/files/2449185664.pdfIn PDF document text
- http://zabradli-znerezu.cz/userfiles/file/29975006646.pdfIn PDF document text
- http://candemdientu.com/Images_upload/files/95627336099.pdfIn PDF document text
- http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/0abj0h1sf89rjp8i90b7smtqk6/luner.pdfIn PDF document text
- http://nutronicltd.com/userfiles/file/39433239380.pdfIn PDF document text
- http://abogarestudio.com/userfiles/file/vuzedov.pdfIn PDF document text
- https://pikewallis.no/wp-content/plugins/formcraft/file-upload/server/content/files/160beb7c3460b9---paponixi.pdfIn PDF document text
- http://ashioke.com/images/library/File/73556791017.pdfIn PDF document text
- http://autoscuolecasetta.it/userfiles/files/11304614943.pdfIn PDF document text
- http://isystemlab.com/admin/ckfinder/userfiles/files/68932675061.pdfIn PDF document text
- https://advancedbusiness.co/wp-content/plugins/super-forms/uploads/php/files/88904104d22864bf8fc4edc6922972e8/82348681450.pdfIn PDF document text
- https://bem-sa.com/img/file/dajoraxir.pdfIn PDF document text
- http://www.expertnutritionadvisor.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a92e01a0bca---13304588871.pdfIn PDF document text
- https://apoc.com.au/wp-content/plugins/super-forms/uploads/php/files/7fe44f7cce602538b86332859c936ab9/77437679674.pdfIn PDF document text
- http://softwarefactory.nl/images/file/12015015754.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=how+to+clean+lg+direct+drive+washing+machine+filterPDF 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://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_off0000f23c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF23C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010a4e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A4E | 16672 bytes |
SHA-256: 9c1168959092ab78adfb03e2eed3a465212df628674d9c0f679ef3bb3ec68a52 |
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font_02_sfnt_off00013581.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13581 | 11068 bytes |
SHA-256: dacff52fc4e59c1ae1227925c136976703db91286d17fcd4218105a0998b316f |
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