MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. It contains numerous embedded URLs that point to compromised CMS uploads and disposable hosting, suggesting a link farm designed to manipulate search engine results or redirect users to malicious sites. While no scripts were explicitly extracted, the PDF structure and embedded URIs are indicative of a phishing or SEO spam campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9984
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 http://www.facyt.com.ar/ckfinder/userfiles/files/likolaguv.pdf In PDF document text
- https://hoffmanowska.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1613b0d26891a2---vetir.pdfIn PDF document text
- http://robbes.nl/media/files/55676348300.pdfIn PDF document text
- http://nyitotthaz.hu/userfiles/files/1963531439.pdfIn PDF document text
- https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134e7b6ac004.pdfIn PDF document text
- https://testpensija.bankai.lv/ckfinder/userfiles/files/lonirejurafuge.pdfIn PDF document text
- https://saya.ro/app/webroot/files/userfiles/files/97437202015.pdfIn PDF document text
- http://a-range.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1613bf3463788e---pusekawopajumefo.pdfIn PDF document text
- https://www.entornopublicitario.com/wp-content/plugins/super-forms/uploads/php/files/aa7f77df6520e10c6aef6377d2a0cb57/73199333872.pdfIn PDF document text
- http://finproekt-msk.ru/userfiles/file/jolawirebodezomuvenorak.pdfIn PDF document text
- https://growlocals.com/wp-content/plugins/super-forms/uploads/php/files/323fb8ffbb2570d71548db5051b33637/22795024241.pdfIn PDF document text
- https://stgeorgedentalcare.in/ckfinder/userfiles/files/zututatafuroxelazu.pdfIn PDF document text
- http://shopcloud.cloud/ckfinder/userfiles/files/25928923678.pdfIn PDF document text
- http://riversedgefm.com/files/file/43862691880.pdfIn PDF document text
- https://gamletaarnhuset.no/wp-content/plugins/formcraft/file-upload/server/content/files/161463f255f00b---9741281030.pdfIn PDF document text
- http://xn----1-6cdapb2bdyqawnpcindqfc.xn--p1ai/media/file/77066327911.pdfIn PDF document text
- https://mabuksusu.com/contents/files/petakejal.pdfIn PDF document text
- http://abaj.cz/UserFiles/File/79916747883.pdfIn PDF document text
- http://alfavs.eu/userfiles/file/57404899428.pdfIn PDF document text
- http://ggmtc.net/userfiles/files/81337693992.pdfIn PDF document text
- https://ajitcoatings.com/uploads/tifetiruporagojiz.pdfIn PDF document text
- https://eminentland.com/admin/userfiles/files/ravoj.pdfIn PDF document text
- https://edinburghpools.com/contents/files/wilogojowetadonanajagi.pdfIn PDF document text
- https://rodolphe-blanchet.fr/Rodolphe/fckeditor/file/58327958475.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=gta+san+andreas+in+android+freePDF 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_off000193cc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x193CC | 18560 bytes |
SHA-256: 049dcb85ff1d448e834a9142c88e5cc7214d0d508596d3a09272f34b77c4a1de |
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font_01_sfnt_off0001c3cd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1C3CD | 10340 bytes |
SHA-256: 69dcdf3b5ad6a262f2b478e8c3d68e10002b95d0fb1a111d2910f5ba70c860c8 |
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font_02_sfnt_off0001db4b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1DB4B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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