MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to compromised CMS upload directories or disposable hosting. Heuristics indicate this is a link farm designed to obscure the true destination. ClamAV and ML classifiers confirm the malicious nature, identifying it as a phishing or trojan PDF. The primary attack pattern involves luring users to click on these links, likely leading to further compromise.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://mebelpozakazu.ru/wp-content/plugins/super-forms/uploads/php/files/fec8161662cade03217a72da115e3724/77129335326.pdf In PDF document text
- http://air-ned.com/uploads/files/xojipake.pdfIn PDF document text
- http://zartmobilia.com/userfiles/file/20210917131455.pdfIn PDF document text
- http://muacuoi.vn/Pictures/files/bakuzolav.pdfIn PDF document text
- http://toyotarent.tw/FileData/ckfinder/files/20210909_2EAE0E63BC8EA092.pdfIn PDF document text
- http://abwcoliseum.com/uploads/files/84106459462.pdfIn PDF document text
- https://earthchartercities.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613108ed80e55---69728459574.pdfIn PDF document text
- http://xn--90aoa5aj.xn--p1ai/ckfinder/userfiles/files/xanopale.pdfIn PDF document text
- http://pyhunlian.com/uploadfile/file/pefomokogateke.pdfIn PDF document text
- https://nmcs.ca/userfiles/files/rizewimofawatujazak.pdfIn PDF document text
- https://www.jemelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/161368784e5379---kiwemunujozovube.pdfIn PDF document text
- http://umrllc.com/userfiles/files/7692901746.pdfIn PDF document text
- http://capri.lt/userfiles/files/13205701166.pdfIn PDF document text
- http://daglichtfilters.nl/ckfinder/userfiles/files/sakudupaximamevivabu.pdfIn PDF document text
- http://anneadamslaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/95855506909.pdfIn PDF document text
- http://laihoawedding.com/app/webroot/upload/files/49596034461.pdfIn PDF document text
- https://alteanetworks.fr/img/file/sixokitixofumotej.pdfIn PDF document text
- http://www.sindafaz.com.br/admin/editor/ckfinder/userfiles/files/5129242885.pdfIn PDF document text
- https://samsungklima.net/upload/ckfinder/files/xuvazoxisip.pdfIn PDF document text
- http://qianshunqs.com/admin/upload/xipuginibi.pdfIn PDF document text
- http://schokozentrale.de/idata/bigomuwupagiwa.pdfIn PDF document text
- http://yugreat.com/filespath/files/20210907144744.pdfIn PDF document text
- https://hmradiatoriai.lt/images/files/25604049307.pdfIn PDF document text
- http://abwcrainhwy.com/uploads/files/kupakewakosebu.pdfIn PDF document text
- http://dietetyka-24.pl/images/files/295986530.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=unturned+desert+military+vest+idPDF 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_off0000f448.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF448 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010c5f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C5F | 10576 bytes |
SHA-256: dba42606a6ad7c5e0b807c9a66d0c7f76037d81e3a0cd9cfe018a9010d791184 |
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font_02_sfnt_off0001247f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1247F | 17604 bytes |
SHA-256: 07e254704500c67b7c2294056afc9ebe02f43ea426253546873ae95879b8bcde |
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