MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links, many pointing to compromised WordPress sites, suggesting a phishing or malicious redirection scheme. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to lure users to malicious content or downloads. The file's structure as a link farm is a common tactic for distributing malware or conducting phishing campaigns.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f0270f43959.pdf In PDF document text
- http://patrick-jardinage.fr/ckfinder/userfiles/files/835627044.pdfIn PDF document text
- http://thefjordbaklawfirm.com/clients/876731/File/wemewujivakekoge.pdfIn PDF document text
- http://call.ae/wp-content/plugins/formcraft/file-upload/server/content/files/16099b5ab7884e---61682026548.pdfIn PDF document text
- https://mattweidnerlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f1209c5a914---37129123274.pdfIn PDF document text
- http://lichnyiybrand.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16077f58c99ed6---64598461684.pdfIn PDF document text
- http://www.assignproject.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072d83c23c26---47569836541.pdfIn PDF document text
- http://nuestratierrapremios.com/campannas/file/75723337691.pdfIn PDF document text
- http://khiconghoixuancong.com/Khicong/admin/userfiles/file/30797482858.pdfIn PDF document text
- https://torrentclub.vip/wp-content/plugins/super-forms/uploads/php/files/bjo6igmjcerobfht9vkf414isg/buzezezivanivewigiluwedem.pdfIn PDF document text
- https://qqhanoman.com/contents//files/15618383191.pdfIn PDF document text
- http://shreejians.com/userfiles/file/76829121165.pdfIn PDF document text
- http://www.viksexteriors.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608af785e56eb---fotuviresakokera.pdfIn PDF document text
- https://study4student.com/cache/fck_files/file/1561420267.pdfIn PDF document text
- http://ankurgroups.com/userfiles/file/12172732497.pdfIn PDF document text
- http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d044dc7d88a---jafim.pdfIn PDF document text
- https://braviengenharia.com.br/wp-content/plugins/super-forms/uploads/php/files/6fjaim9m20l8a698bhkf1j2d39/molumuvarunuvapuxariva.pdfIn PDF document text
- https://www.lorenzofranzone.it/wp-content/plugins/super-forms/uploads/php/files/65c9ec70b7ca3670f590296682585566/zifojulu.pdfIn PDF document text
- http://chronicles.ae/userfiles/files/finaxagidusefuzaserawezu.pdfIn PDF document text
- https://dazzlin.co.uk/wp-content/plugins/super-forms/uploads/php/files/b8eff1ce35627eda4bd929b9f29b0393/regotaz.pdfIn PDF document text
- https://mobiligennari.com/userfiles/file/29728479773.pdfIn PDF document text
- http://bettynblue.com/upload/fck_img/20210623/file/didewa.pdfIn PDF document text
- http://hart-metale.pl/gimnazjum/userfiles/file/lunimexitifekilodifo.pdfIn PDF document text
- http://goodwynva.com/clients/d/de/de91e19d235d8a3764238851c6b73f99/File/33690039892.pdfIn PDF document text
- http://axiomestates.com/userfiles/file/11705082664.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=philippine+pediatric+society+asthma+guidelinesPDF 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_off000110ab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x110AB | 21252 bytes |
SHA-256: 637d58b7767d8ef0fd4ca3be7c19cd9331329c22aadb58c00fe8593e486b6a2f |
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font_01_sfnt_off00014400.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14400 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00015c17.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15C17 | 11176 bytes |
SHA-256: 7d6b47b5c6ca596d53e6281e892fd99cadae24c6e4e05fa24fbe9323741a68bc |
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