MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm designed to lure users to malicious content. The ClamAV detection and ML classifier strongly suggest a phishing or trojan payload is being distributed via these links. No scripts were extracted from this sample.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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://krisoc.ru/uplcv?utm_term=how+do+you+get+robux+when+someone+buys+your+gamepass PDF link annotation
- https://allcondosales.rodeodrivecondosale.com/userfiles/files/megubagafenisatorusu.pdfIn PDF document text
- http://bugaboo-buffalo.eu/UserFiles/File/57373122539.pdfIn PDF document text
- http://fkm-lux.by/var/upload/file/49826617426.pdfIn PDF document text
- https://seroinstitute.com/wp-content/plugins/super-forms/uploads/php/files/152507989b93391fe0e6d500e915e1f9/wolapikadiwaki.pdfIn PDF document text
- http://supair-lux.hu/ckfinder/userfiles/files/zovifelobutaxotudanifazok.pdfIn PDF document text
- https://tkbhanna.com/ckfinder/userfiles/files/wimigu.pdfIn PDF document text
- https://www.chauffeur-prive-nice.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16130d88deec0b---nipotedeluxoje.pdfIn PDF document text
- http://plenar.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1613570c592d42---24227166289.pdfIn PDF document text
- https://shieldtech.cz/ckfinder/userfiles/files/maxez.pdfIn PDF document text
- https://autoradiator.mn/uploads/ckfinder/files/dufixobaretitig.pdfIn PDF document text
- https://psiakocky-potisk.cz/webpagebuilder/ckfinder/userfiles/files/79562184000.pdfIn PDF document text
- http://getem.eu/files/file/58714318553.pdfIn PDF document text
- https://10s317.com/uploads/files/202109190327507890.pdfIn PDF document text
- https://kungfuclasshongkong.com/louis/taichi/ckfinder/userfiles/files/goziniguwamotilorej.pdfIn PDF document text
- http://sentezetutmerkezi.com/upload/ckfinder/files/wewixixo.pdfIn PDF document text
- http://2446665a.ru/ckfinder/userfiles/files/texigi.pdfIn PDF document text
- https://brincandoeaprendendo.com/fotosempresa/files/65349660196.pdfIn PDF document text
- http://zonazero.es/userfiles/file/wozolaz.pdfIn PDF document text
- http://kompletucetnictvi.cz/files/file/38238993980.pdfIn PDF document text
- https://cathita.vn/upload/files/widenanazokafusisopanoji.pdfIn PDF document text
- http://cambresisemploi.fr/ckfinder/userfiles/files/kerekon.pdfIn PDF document text
- https://defi128.phpascal.com/userfiles/files/7952163548.pdfIn PDF document text
- https://pjkconstruction.ca/images/file/172987701.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_off0000b18d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB18D | 11236 bytes |
SHA-256: 8c2be9f293d37334b1ddc25eb84cbf97e4fa5de3bcd8d72baf24d93e709ddce6 |
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font_01_sfnt_off0000cb56.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB56 | 14784 bytes |
SHA-256: e33587e01e0a3d7b6698d6129398132498fc5b78c22c7c087d14cba08cf15dc3 |
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font_02_sfnt_off0000f09d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF09D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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