MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware delivery. No scripts were extracted, but the presence of a link farm is a common tactic for initial access.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
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://krisoc.ru/uplcv?utm_term=fray+in+english PDF link annotation
- http://srub-servis.ru/userfiles/file/82860226531.pdfIn PDF document text
- https://asaptransfers.co.uk/wp-content/plugins/super-forms/uploads/php/files/m7f138celpp7sdlsmkfci1d2f0/nevajexenoganokuxofadiw.pdfIn PDF document text
- http://lichnyiybrand.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160dc0f3c922ca---xonunisenamewopilofoxiged.pdfIn PDF document text
- http://wajl.net/img/file/202162511444.pdfIn PDF document text
- https://mikepromedia.com/wp-content/plugins/super-forms/uploads/php/files/c24ulrcfktgie06hff58jl9v85/42833533568.pdfIn PDF document text
- https://www.scmsgroup.org/ckfinder/userfiles/files/90459836777.pdfIn PDF document text
- https://esofagopisa.it/userfiles/file/95482644959.pdfIn PDF document text
- http://remobudostol.pl/pliki/kubepifazazasolabav.pdfIn PDF document text
- http://yanarfabrics.com/firma/files/8028805546.pdfIn PDF document text
- https://www.cir.cloud/wp-content/plugins/formcraft/file-upload/server/content/files/160b4384a72a6d---91372468370.pdfIn PDF document text
- http://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160c357926d0c0---65745158326.pdfIn PDF document text
- http://technoculture.cz/admin/upload/file/38521724789.pdfIn PDF document text
- http://thienanglass.vn/upload/files/94432032015.pdfIn PDF document text
- https://mama-light.net/business_school/uploads/file/35946197819.pdfIn PDF document text
- http://wamer.org/userfiles/file/lanazolepizonowowaw.pdfIn PDF document text
- https://rhagro.com.mx/wp-content/plugins/super-forms/uploads/php/files/e4cd6b40bf5ec31668c57ca5d7b2ecb4/mitexatinovoru.pdfIn PDF document text
- http://kiddeefire.com/media/userfiles/files/gobojinoli.pdfIn PDF document text
- http://baanpowertrain.com/wp-content/plugins/formcraft/file-upload/server/content/files/16113f7f327e70---91690020862.pdfIn PDF document text
- http://indyztyle.com/ckfinder/userfiles/files/83052960730.pdfIn PDF document text
- https://grahampropertytax.com/wp-content/plugins/super-forms/uploads/php/files/debe1e2e8fac755fd1a6416616a018e0/8248294831.pdfIn PDF document text
- http://entiambalaj.com/upload/file/91911479120.pdfIn PDF document text
- http://xedaptheduc.net/app/webroot/uploads/files/4875471661.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_off0000d4b3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4B3 | 17260 bytes |
SHA-256: 5b3bd5380efbc83ad3c382625569e256a0deb2a2e159b5063bc2f4396307ee27 |
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font_01_sfnt_off00010185.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10185 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001199c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1199C | 10260 bytes |
SHA-256: 65c14ef18740114a3de9e88e61d59e8b1d5af4aa80612c1e72f6149b23e14e63 |
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