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 CMS upload directories or disposable hosting, indicating a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly support its malicious nature, likely serving as a lure for further compromise.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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 http://cokhihoaiduc.com/uploads/files/46061913465.pdf In PDF document text
- https://doucetplasticsurgery.com/ckfinder/userfiles/files/lodivixiroze.pdfIn PDF document text
- https://nonbodepsg.com/uploads/files/zutebel.pdfIn PDF document text
- http://alliance-ic.ru/uploads/file/18333904624.pdfIn PDF document text
- https://dollarplus98.com/images/upload/files/lijuw.pdfIn PDF document text
- https://biblioteka-koneck.pl/ckfinder/userfiles/files/19177858311.pdfIn PDF document text
- https://kermiradiatoriai.lt/images/files/61869376835.pdfIn PDF document text
- http://www.theagentpipeline.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612ebd80b9e75---vasanolapol.pdfIn PDF document text
- http://dribblebar.pl/userfiles/file/9653807197.pdfIn PDF document text
- http://blekinge.boj.se/uploads/userfiles/files/55539804085.pdfIn PDF document text
- http://azco.friend-match.com/upload/files/38877426694.pdfIn PDF document text
- http://moriefrusca.com/userfiles/files/damakimoru.pdfIn PDF document text
- https://www.breastcancerfoundation.in/wp-content/plugins/super-forms/uploads/php/files/f1bba6389670b6d0d9904d2d477457b7/16475943539.pdfIn PDF document text
- http://tuivaivietnam.com/uploads/files/monujodasewurekodinasufap.pdfIn PDF document text
- http://fst-uinsu.net/userfiles/files/xosanamed.pdfIn PDF document text
- https://uaqbakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613032745e219---73044563113.pdfIn PDF document text
- http://bangladeshceramicsociety.com/uploads/editor/files/jixorazimev.pdfIn PDF document text
- https://hcs1000.org/wp-content/plugins/super-forms/uploads/php/files/db3dc557771948d0ec20bf3fedc89af3/banivobujigowowos.pdfIn PDF document text
- https://www.pharmaright.ca/wp-content/plugins/super-forms/uploads/php/files/o6d1508mqsv1j44q6r30j429ho/15247020516.pdfIn PDF document text
- https://feng-shuiworld.com/userfiles/file/beginolexav.pdfIn PDF document text
- http://sun-green.de/ckfinder/userfiles/files/tafumu.pdfIn PDF document text
- https://eko-briketes.lv/userfiles/files/14974908230.pdfIn PDF document text
- http://unipell.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613691e385218---wumikavojokurinekoxe.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=windows+7+ultimate+x86+downloadPDF 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_off0000eabd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEABD | 15172 bytes |
SHA-256: b033c48e88526a6ccafd86aabaad274ca82f4b9f6860dca936de985df2252e0f |
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font_01_sfnt_off00011149.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11149 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001295b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1295B | 18468 bytes |
SHA-256: 44391073599fc6a12abf3f9ed9904844aba86cde877e60c38731b86f8fe334b3 |
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