MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable domains, indicating a link farm designed to obscure the final malicious destination. The presence of these link farms strongly suggests an attempt to lure users to a malicious site for phishing or further malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9986
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://badaranquehablar.com/userfiles/files/jetamomugiroda.pdf In PDF document text
- http://residencecarlofelice.com/userfiles/files/dujoxewupununudekew.pdfIn PDF document text
- https://www.habitat-morvan.fr/ckfinder/userfiles/files/41769916373.pdfIn PDF document text
- http://polkovnik.su/upload/file/wokupenitupitaduwedozez.pdfIn PDF document text
- http://kopdesign.nl/userfiles/file/57982403555.pdfIn PDF document text
- http://agedwedfjtj.pretty-match.com/upload/files/6150237476.pdfIn PDF document text
- http://www.c-l-r-p.com/admin/ckfinder/userfiles/files/morarigujowepusexoxup.pdfIn PDF document text
- http://dominant.name/userfiles/file/metebazowamonaxovuworo.pdfIn PDF document text
- http://premo.at/userfiles/file/xuniwopukefazilisom.pdfIn PDF document text
- http://diagonal.org.ar/wp-content/plugins/formcraft/file-upload/server/content/files/1613dadd3cbb4f---20035628736.pdfIn PDF document text
- https://metroguards.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613b10260e952---xajezalogalizelolobikadav.pdfIn PDF document text
- https://mirrorlink.com/public/files/files/xebiwusugeniresalabolada.pdfIn PDF document text
- https://rebates.forex/wp-content/plugins/super-forms/uploads/php/files/v6k1mg25a4274vg5rmq08o3rr6/7576568323.pdfIn PDF document text
- https://bodegoncriollo.com/userfiles/file/poxatonenasakapepow.pdfIn PDF document text
- https://tessuno.com/upload/files/6144d75696273.pdfIn PDF document text
- http://malovanesklomh.cz/images/file/9692217612.pdfIn PDF document text
- http://z-sinpro.com/upload/files/mifuzezuboloxa.pdfIn PDF document text
- http://omeofest.eu/userfiles/files/64698390542.pdfIn PDF document text
- http://sk4education.com/ckfinder/userfiles/files/93537164826.pdfIn PDF document text
- http://220-wm01.netdbhosting.com/file/58902240297.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=is+nine+prime+or+compositePDF link annotation
- http://perfecturology.cafe24.com/upload/editor/imagefile/rufabet.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_off0000b0f2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB0F2 | 15400 bytes |
SHA-256: 13f066b06cf3eb16066ff38f9faad91059e4c4a653091b563b6674fdf3efc6bf |
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font_01_sfnt_off0000d7e2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7E2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000eff9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFF9 | 10276 bytes |
SHA-256: 407c18097cbfcf64e827b2da5e41c2790ddd50beac468ca7f572761e3e028c24 |
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