MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier indicating maliciousness. It contains numerous embedded URLs that point to compromised WordPress upload storage and other disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of these external links and the overall detection profile strongly indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://wastran.ru/uplcv?utm_term=the+meaning+of+unethical PDF link annotation
- http://ccforum.kr/uploads/file/1631311467.pdfIn PDF document text
- https://whitelightdesign.com/wp-content/plugins/super-forms/uploads/php/files/23e7fd3bbbe85d505a73f51991712483/95992557860.pdfIn PDF document text
- https://www.quatainvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613a167420d2e---vopid.pdfIn PDF document text
- http://studiotecnicobonoli.com/userfiles/files/91191130673.pdfIn PDF document text
- https://uudanbury.life/files/file/buluvemigavuzomezibiditer.pdfIn PDF document text
- https://heritagelogs.com/wp-content/plugins/super-forms/uploads/php/files/20sspaldpskscqiiuf5invnv43/juvididiv.pdfIn PDF document text
- https://villanakarin.com/userfiles/files/95578170196.pdfIn PDF document text
- http://telangana99.com/userfiles/file/37766221882.pdfIn PDF document text
- http://flyingfish-stay.com/userfiles/file/jexad.pdfIn PDF document text
- https://dulsuc.cl/userfiles/file/zogumerebe.pdfIn PDF document text
- http://konikanarrowfab.com/ckfinder/userfiles/files/tefojutavemepo.pdfIn PDF document text
- http://www.expo-hotel.com/english/wp-content/plugins/formcraft/file-upload/server/content/files/16150e4136ad82---tabafulanozori.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/161431c38020d4---20825549450.pdfIn PDF document text
- http://zge-led.com/luodan/images/userfiles/file/xuwobebak.pdfIn PDF document text
- http://scsychem.com/upload/files/nitidadazezevizozaxufokap.pdfIn PDF document text
- http://www.kzhep.in.ua/wp-content/plugins/super-forms/uploads/php/files/bld7ha43d1oeo9qjlqgp9hknh6/vusujizugumefinojerani.pdfIn PDF document text
- http://matonaklawfirm.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/nufefukutitelanotesimax.pdfIn PDF document text
- http://gzbaosui.com/uploadfile/files/78130913369.pdfIn PDF document text
- http://daiichilogistics.com/uploads/news_file/37418303386.pdfIn PDF document text
- http://montoaneli.com/ckfinder/files/80597278965.pdfIn PDF document text
- http://namthangbasaltstone.com/uploads/image/files/96610796182.pdfIn PDF document text
- http://ros-audit.com/i/up/file/42690251857.pdfIn PDF document text
- http://slmj8.com/data/userfiles/files/72254536497.pdfIn PDF document text
- http://www.integra-cr.cz/administrace/ckfinder/userfiles/files/gidemada.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_off0000b465.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB465 | 17448 bytes |
SHA-256: e220c26c29072e86f69daf1ef34585da74b9f71af41fa6054f3fa811eb87d970 |
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font_01_sfnt_off0000e0c7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0C7 | 10580 bytes |
SHA-256: 88ad5accf11b6bd03ceb493994b8a03f1a221bc73180adace2decbf4c202b806 |
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font_02_sfnt_off0000f8bd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8BD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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