MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which point to compromised CMS uploads or disposable hosting, forming a link farm. The presence of embedded JavaScript suggests an attempt to execute malicious code, likely to download a second-stage payload or redirect the user to a phishing site. The ClamAV detection and ML classifier further support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://pistant.ru/uplcv?utm_term=schneider+electric+altistart+22+manual+deutsch PDF link annotation
- https://tectrongim.com/uploads/files/fovenativup.pdfIn PDF document text
- http://amsasecretariat.fr/userfiles/file/zevejinatuxavusuxoxizob.pdfIn PDF document text
- http://suankaew.net/upload/userfile/files/vegekoxekiduxu.pdfIn PDF document text
- http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/16074ac453bc12---10030728099.pdfIn PDF document text
- https://mytutr.com/wp-content/plugins/super-forms/uploads/php/files/e410d92ef089f3dd76e55b966c4c6212/69869747646.pdfIn PDF document text
- http://www.corazondelsol.es/ckfinder/userfiles/files/59060254575.pdfIn PDF document text
- http://lilit-realty.com/wp-content/plugins/super-forms/uploads/php/files/rbrdqlh3of5dlkgavrukhpbg06/ribibetofaxoxo.pdfIn PDF document text
- http://stnicholasway.com/userfiles/file/96573284902.pdfIn PDF document text
- http://musclecar-taps.com/js/upload/files/91026188715.pdfIn PDF document text
- http://canavesiobruno-architetti.it/userfiles/files/8046237227.pdfIn PDF document text
- https://bda.ch/ckfinder/userfiles/files/biliw.pdfIn PDF document text
- https://aannemingsbedrijfbarthulsbosch.nl/userfiles/file/34686792194.pdfIn PDF document text
- https://emprenderem.cl/files/xulatikowamevolopenul.pdfIn PDF document text
- http://kiiga.ru/userfiles/file/49708655264.pdfIn PDF document text
- http://wakingbeauty.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074fca69008c---10262869142.pdfIn PDF document text
- https://grupo-bahia-real-estate.com/ckfinder/userfiles/files/91142991663.pdfIn PDF document text
- https://tuvanthietke13-5.com/webroot/img/files/xigekeretot.pdfIn PDF document text
- http://soepcentrale-dekeyser.be/userfiles/file/83252565895.pdfIn PDF document text
- http://principessavencanice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a16d425913d---fewufuzeregukewomezabetar.pdfIn PDF document text
- https://www.cedicar.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa0d57396f3---sesirijefuxune.pdfIn PDF document text
- https://www.qbuildsoftware.com/wp-content/plugins/super-forms/uploads/php/files/34c99e081af4a79a23eab6c3ee402f7f/36041673429.pdfIn PDF document text
- http://taikenplan.jp/ckfinder/userfiles/files/kivelaxudomagebidaxigog.pdfIn PDF document text
- https://festivalecolo.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1609f6f0768ef8---15175584996.pdfIn PDF document text
- https://dcoderesearch.com/uploads/kofoxiwu.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_off0000b952.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB952 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d169.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD169 | 10808 bytes |
SHA-256: 468aeab2326ae546531ecd73edd79940fa0df47775687637c199afe1a725022d |
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font_02_sfnt_off0000ea26.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA26 | 16912 bytes |
SHA-256: d4744652331df1542d623224658ea9d3edfac30e07e49d0f4833ea162e1254d2 |
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