MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous external links, many pointing to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of these links and the overall detection indicate an attempt to lure users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://irlanc.ru/uplcv?utm_term=new+update+funtouch+os PDF link annotation
- http://vanhacollection.com/images/files/pabekaxajodabomesani.pdfIn PDF document text
- https://realxenon.ru/uploads/files/jinoxevil.pdfIn PDF document text
- http://faisaltowel.com/survey/userfiles/files/milizafopegigo.pdfIn PDF document text
- http://revize-elektro.info/UserFiles/File/kevadonaxofobuwilisasaber.pdfIn PDF document text
- https://hophamthaibinh.com/upload/files/49189008833.pdfIn PDF document text
- http://cesnek-vysocina.cz/UserFiles/File/nebuziragozufekobubogud.pdfIn PDF document text
- http://xn--80aikni6a0b.xn--p1ai/images/file/4042934507.pdfIn PDF document text
- https://sipare.com.ar/wp-content/plugins/super-forms/uploads/php/files/0bh84kviljgq32nfe8blb25qg4/14161213333.pdfIn PDF document text
- http://gocep.org/data/userfiles/files/29858072120.pdfIn PDF document text
- https://ag-concept.ru/wp-content/plugins/super-forms/uploads/php/files/624441c0c5b5533bc5febd77cee4753f/tatujemepigokare.pdfIn PDF document text
- https://dadesigning.com/daduserfiles/files/17642990606.pdfIn PDF document text
- https://luxurytravel-show.com/wp-content/plugins/super-forms/uploads/php/files/ca821666c1a05cf700c76efcd5fb057b/manesadukaxidotidejozag.pdfIn PDF document text
- http://conwaychristian.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613b1d24d4c59---kixonukulonij.pdfIn PDF document text
- https://ladachess.ru/userfiles/file/wasebevopixeja.pdfIn PDF document text
- http://energy-labels.nl/userfiles/file/26998048000.pdfIn PDF document text
- https://ratodua.com/contents/files/pipunevimujexavapifujag.pdfIn PDF document text
- http://twgo8.com/uploads/base/files/202109170543158588.pdfIn PDF document text
- http://wsp.pl/userfiles/file/bojigokov.pdfIn PDF document text
- https://sts-cct.com/app/webroot/userfiles/files/filuwulokedi.pdfIn PDF document text
- https://magicdiscoradio.hu/userfiles/file/44724156828.pdfIn PDF document text
- https://yogaspotny.com/userfiles/file/38658573888.pdfIn PDF document text
- https://fairtradeportal.pl/userfiles/file/50584800542.pdfIn PDF document text
- https://mimpidia2.com/contents/files/55310746895.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_off0000e151.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE151 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f968.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF968 | 10644 bytes |
SHA-256: 3eb99f1fb55a5fdf86e0574778c939b3683281f372032cefce49a7691a21aa2f |
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font_02_sfnt_off000111d0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111D0 | 18216 bytes |
SHA-256: 4271aa67e380863be8f0cbd74771585d8e09e0e0f1525dbbbdb01dfb1cb6f0a2 |
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