MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous external URIs and is flagged as a link farm, suggesting it's designed to redirect users to potentially malicious websites. The presence of embedded JavaScript and ClamAV detection as 'Pdf.Phishing.Trojan' further supports a malicious intent, likely related to phishing or SEO abuse. The document body was unreadable, but the heuristics and URLs strongly indicate a malicious redirection scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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 https://catamma.ru/uplcv?utm_term=how+to+save+a+pdf+at+a+certain+zoom PDF link annotation
- http://mn-print.ru/ckfinder/userfiles/files/pifamusowixerem.pdfIn PDF document text
- http://korea-labels.com/ckfinder/userfiles/files/53856121123.pdfIn PDF document text
- http://mousike.it/img_ins/files/paduda.pdfIn PDF document text
- http://kesifveotesi.com/files/fawimojibane.pdfIn PDF document text
- https://rireenfrance.com/images/upload/files/7231346615.pdfIn PDF document text
- https://www.rongoldmanlaw.com/system/js/back/ckfinder/userfiles/files/3994641437.pdfIn PDF document text
- http://hrampetraipavlavosstanovlenie.ru/content/images/user/file/fazagokimufuratipedafelep.pdfIn PDF document text
- https://wonwon.taipei/photo/file/notoburedetilubisebum.pdfIn PDF document text
- http://iwilldoit.ru/uploads/files/files/rabewoxe.pdfIn PDF document text
- https://rebates.forex/wp-content/plugins/super-forms/uploads/php/files/d6ot0psg8g1tqgl1ea7ve7shu0/xuxarepexener.pdfIn PDF document text
- http://morenoroofing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613265f734ddd---wubugaxuxopujodigobuf.pdfIn PDF document text
- http://bainihu.com/upfiles/editor/files/21066171517.pdfIn PDF document text
- http://l-max.ru/userfiles/file/mowoxoturuduzomupaj.pdfIn PDF document text
- http://dichvumucin.com/upload/ckupload/files/18430301563.pdfIn PDF document text
- https://elemental-ia.com/userfiles/file/1848260958.pdfIn PDF document text
- http://cesurmakina.com/userfiles/file/mutug.pdfIn PDF document text
- http://phelieuviethung.vn/upload/files/dikerivusamexuvinufiwige.pdfIn PDF document text
- http://studiotrusso.it/userfiles/files/90207395487.pdfIn PDF document text
- http://reafamily.lt/ckfinder/userfiles/files/zirejomakonosonidup.pdfIn PDF document text
- http://www.oe.com.tw/ezadmin/ckfinder/userfiles/files/moxijibax.pdfIn PDF document text
- https://firesystem.ro/imagini_ws/faxanusinuzul.pdfIn PDF document text
- http://www.airportlimofortlauderdale.net/wp-content/plugins/formcraft/file-upload/server/content/files/1613484a761124---30771633714.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_off0000e8b5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8B5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000100c7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100C7 | 17704 bytes |
SHA-256: 84fe913a581c5d69a7fcb1fce3cfd85e8818916dff99eb22d1c84b1e67ae5f2d |
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font_02_sfnt_off00012e94.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E94 | 10936 bytes |
SHA-256: 1407d74fc047edaeb6ed08099304c2551a2bfde37cb47e01397d80d8a331be42 |
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