MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF containing embedded JavaScript, which is a common technique for delivering malicious content. The PDF also hosts a link farm pointing to compromised WordPress sites, suggesting an attempt to distribute further malicious files. ClamAV detection as 'Pdf.Phishing.Trojan' further supports its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9874
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://bagandpack.ru/wp-content/plugins/super-forms/uploads/php/files/acb6df2f51c7be0aff34714c99f51aea/33641981281.pdf In PDF document text
- https://www.ideaklinik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160a1340f69bb8---57832192954.pdfIn PDF document text
- http://jump360.co/upload/files/20210724140227.pdfIn PDF document text
- http://manavpublicschool.org/manav/userfiles/file/8836293565.pdfIn PDF document text
- http://escuelasfutbol8.com/docs/files/vekobarijigupisu.pdfIn PDF document text
- http://albatrossmrn.com/konadnew/userfiles/file/14818181116.pdfIn PDF document text
- https://mimpiindah2.com/contents//files/88087230529.pdfIn PDF document text
- http://blow-w124.com/js/upload/files/89595816983.pdfIn PDF document text
- http://josquin-capella.de/download/momomozununowinum.pdfIn PDF document text
- http://dfh-consulting.com/userfiles/file/85125010957.pdfIn PDF document text
- https://polinagerz.ru/wp-content/plugins/super-forms/uploads/php/files/r7u20vhfa96722cedkc15sktml/fereporori.pdfIn PDF document text
- https://unique.global/wp-content/plugins/super-forms/uploads/php/files/b481c194b31c3108c2af952c69c71e32/sujawafav.pdfIn PDF document text
- http://pck.malopolska.pl/wp-content/plugins/super-forms/uploads/php/files/c3e1ddfca0cde9948793ae5e5c471e8e/86320198516.pdfIn PDF document text
- https://selectwifi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607325234259c---75565821138.pdfIn PDF document text
- https://infypos.com/infyposcms/media/12185645887.pdfIn PDF document text
- http://ip-golubev.ru/ckfinder/userfiles/files/filavazebu.pdfIn PDF document text
- https://www.azembay.com/wp-content/plugins/super-forms/uploads/php/files/qeli773t705n039brljk8e70s9/dorenijazupilupomenogawo.pdfIn PDF document text
- https://canadiancontractorservices.com/wp-content/plugins/super-forms/uploads/php/files/9976gnrg67f8q18j9nal4fkqd1/vuxugawobibubezopodas.pdfIn PDF document text
- https://gaseg.com/wp-content/plugins/super-forms/uploads/php/files/hf0sm2cp0g5lfbaj2nql9m4vrg/pufijotuvomipadoduz.pdfIn PDF document text
- https://e-lightingcontrols.com/wp-content/plugins/super-forms/uploads/php/files/2e401793269c4f3d69ab0fa42c37b945/74503956564.pdfIn PDF document text
- http://ganan10.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160d5c60312493---90511521889.pdfIn PDF document text
- http://phaptangpgvn.net/app/webroot/upload/files/pulupirojonaj.pdfIn PDF document text
- http://www.melodypods.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ce9f655556---zazogof.pdfIn PDF document text
- http://madang.eu/f_pds/fck/file/wunobixuginevak.pdfIn PDF document text
- https://mfdesign.hu/files/file/xudutuvesovegi.pdfIn PDF document text
- https://tocgia247.com/wp-content/plugins/super-forms/uploads/php/files/df2kbi5o1hvqg5pcnvcfdcqsg1/6318932204.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=dare+me+livro+pdf+portugu%C3%AAsPDF 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_off0001894e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1894E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001a160.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1A160 | 19856 bytes |
SHA-256: 1e1787a81f508a974abcf9c20701616a24277f1d15232fe4d58872513b88612b |
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font_02_sfnt_off0001d12f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1D12F | 11064 bytes |
SHA-256: 2590629a8f4c9c83ba20afd4e572b1dd59cb0fb7223a3d2ad29c53869a578c75 |
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