MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is a PDF document detected as malicious by ClamAV and an ML classifier. It contains numerous links to external websites, many of which are hosted on compromised WordPress installations, suggesting a phishing or malware distribution campaign. The presence of embedded URLs and the nature of the heuristics indicate that the document is designed to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9907
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=desarrollo+sustentable+un+nuevo+ma%C3%B1ana+2+edicion+pdf PDF link annotation
- https://diversified-nj.com/wp-content/plugins/super-forms/uploads/php/files/fd40beab51ad858196f4b24847db7694/suwukavopofem.pdfIn PDF document text
- https://wscnaturalhealings.com/wp-content/plugins/super-forms/uploads/php/files/1c4f1acc2601d359fba8175532458544/1411628214.pdfIn PDF document text
- http://julieesteban.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609eac0229422---gekijaridog.pdfIn PDF document text
- http://alhouti.com/userfiles/file/sitidiwe.pdfIn PDF document text
- http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/mm6hqjuoibfeq80472dsqmktk6/56158602390.pdfIn PDF document text
- https://www.golaw.net/wp-content/plugins/formcraft/file-upload/server/content/files/16086c9dcc9a04---67547020090.pdfIn PDF document text
- http://thaimassagemodel.com/ckfinder/userfiles/files/numijo.pdfIn PDF document text
- https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/8ac5df8ac5d69ed9666f6cbdb02aa993/zuwifolimiritakori.pdfIn PDF document text
- https://areshin.ru/wp-content/plugins/super-forms/uploads/php/files/75a54760adf973077d7babe16ef7b0bc/45433616812.pdfIn PDF document text
- http://binhchuachay.info/Images_upload/files/movujatejabowat.pdfIn PDF document text
- https://egokituz.org/files/galeria/files/baresavujemubidukew.pdfIn PDF document text
- http://www.herbertvanderbrugghen.nl/draft/14987756392.pdfIn PDF document text
- https://kuechentreff-schmid.de/wp-content/plugins/super-forms/uploads/php/files/2kip2lia8coiork34bb0k0miaj/79809377991.pdfIn PDF document text
- http://redwoodpwr.com/wp-content/plugins/super-forms/uploads/php/files/7sh67ecb1cvdekfp36s2c18rt6/89979814645.pdfIn PDF document text
- http://myexamadvisor.com/fck_uploads/files/43989029147.pdfIn PDF document text
- https://esteticarcare.com/wp-content/plugins/super-forms/uploads/php/files/899d70cc81b748b5bb06667695b85de9/59819065207.pdfIn PDF document text
- http://hotstamping.pl/files/file/joxefenewitelina.pdfIn PDF document text
- http://csaladiegyteruautok.hu/userfiles/files/31963854930.pdfIn PDF document text
- https://acornschoolcharleston.org/wp-content/plugins/super-forms/uploads/php/files/6bf7974034f99a6d6a029dc4188343c4/gofagelewetebuxojimowi.pdfIn PDF document text
- http://polimak.pl/userfiles/file/72111239625.pdfIn PDF document text
- http://bellezaeimagen.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1608772b048965---kebusojelafedu.pdfIn PDF document text
- http://www.benvenutialmare.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093fe7e91acd---sogivozijew.pdfIn PDF document text
- http://taispacedesign.com/upload/files/32544432839.pdfIn PDF document text
- https://rffsev.ru/wp-content/plugins/super-forms/uploads/php/files/14d554faedc138286ab76b3a83916771/65843058859.pdfIn PDF document text
- https://mimpishio2.net/contents//files/88188392274.pdfIn PDF document text
- http://czechnews.cz/userfiles/files/xejoxegovuxe.pdfIn PDF document text
- https://www.kunapak.com/wp-content/plugins/super-forms/uploads/php/files/6ajdukkel8fpdt5r6tdlmqmqmt/78746655717.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_off0000c4a1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC4A1 | 11416 bytes |
SHA-256: 88525663ac2a9b616c15e00ac7e434108a097c0e9e74ce24e174102d11bc8c66 |
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font_01_sfnt_off0000df2b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF2B | 17840 bytes |
SHA-256: 2f410b01c18f19b90ac2f4ecf02c5b603144fc3b804266103ad4924f2210c494 |
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font_02_sfnt_off00010cf3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CF3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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