MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous external links, many pointing to compromised WordPress sites or disposable hosting, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution. The presence of multiple PDF-specific heuristics related to URI and link farms reinforces this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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://oniceh.ru/uplcv?utm_term=android+cast+receiver PDF link annotation
- http://nickels.design/ckfinder/userfiles/files/tokaxusu.pdfIn PDF document text
- https://tramtron.vn/uploads/files/files/gidotoxejetibawobabun.pdfIn PDF document text
- http://master-sign.ru/ckfinder/userfiles/files/zufupex.pdfIn PDF document text
- https://mosoptagro.ru/wp-content/plugins/super-forms/uploads/php/files/96258a1350c5192cfdb3bf979abc640d/dabufujiwebezo.pdfIn PDF document text
- http://xn--80aamwn.xn--p1ai/userfiles/file/reledegoras.pdfIn PDF document text
- http://geteffective.biz/uploadfiles/file/ganigekuxab.pdfIn PDF document text
- http://evevoyance.fr/adh/.-/file/65889919871.pdfIn PDF document text
- https://lolakarimova.uz/ckfinder/userfiles/files/84544522932.pdfIn PDF document text
- https://geloracinta.com/contents/files/jedadalufaxafinepoliwu.pdfIn PDF document text
- http://musicpark-live.com/userfiles/file/8790189896.pdfIn PDF document text
- https://joyfool.art/wp-content/plugins/super-forms/uploads/php/files/8747d29fafd8952aefe6f2ce291ec5de/52535757421.pdfIn PDF document text
- http://mybyblos.com/userfiles/file/tivoliferamusira.pdfIn PDF document text
- http://nitexprofi.cz/userfiles/file/dezamufononedavatevaju.pdfIn PDF document text
- https://aporpeter.ro/userfiles/file/bamez.pdfIn PDF document text
- https://www.advids.io/wp-content/plugins/formcraft/file-upload/server/content/files/161358122d38d0---funopib.pdfIn PDF document text
- http://pieseclimaauto.com/files/file/69981923003.pdfIn PDF document text
- http://jgbt.us/pds/userfiles/files/lonidepefe.pdfIn PDF document text
- http://hcvitamin.com/webroot/img/files/84648542406.pdfIn PDF document text
- https://www.hsbofmn.com/ckfinder/userfiles/files/mutewaxil.pdfIn PDF document text
- https://noursportevents.com/wheelmarine/userfiles/file/xivubufev.pdfIn PDF document text
- http://dyneco.kr/userData/board/file/jazivujelopoguxe.pdfIn PDF document text
- http://www.sg-callenberg.de/wp-content/plugins/formcraft/file-upload/server/content/files/16145abf67d54b---73149781471.pdfIn PDF document text
- http://honda-vo.com/upload/file/96996736750.pdfIn PDF document text
- http://www.iuoelocal870.com/kaizen/ckfinder/userfiles/files/67001169113.pdfIn PDF document text
- https://bxthirteen.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/9457d5a0156a6fb93388142e05badd0e/vexatererovagibabajifi.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_off0000dcdb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCDB | 17896 bytes |
SHA-256: c6aa2ef6d6a64c8032c54580ad3b2ac279d284d794d861d90ceda17fb8aa99e6 |
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font_01_sfnt_off00010b3f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B3F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012356.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12356 | 10364 bytes |
SHA-256: d3996f756e14340a6c48230677aa58be7f8c272c92bdfb57894bb6b20b8ef1b8 |
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