MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics and an ML classifier as malicious, with ClamAV identifying it as a phishing trojan. The document functions as a link farm, containing numerous URLs pointing to potentially compromised websites or disposable hosting. These links likely serve to distribute further malware or lead users to phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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://medvor.ru/uplcv?utm_term=relative+pronouns+who+whom+whose+worksheet+pdf PDF link annotation
- https://takarasushimn.com/userfiles/files/siverusazava.pdfIn PDF document text
- http://cageart.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160aa8399675c4---73840779386.pdfIn PDF document text
- http://www.elitagida.com.tr/wp-content/plugins/super-forms/uploads/php/files/lt4222hlcq5gp3lahvocqpqd74/meveda.pdfIn PDF document text
- https://www.corpeverest.com/ckfinder/userfiles/files/61310963920.pdfIn PDF document text
- http://counterreaction.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607b22451cfd8---64878266632.pdfIn PDF document text
- https://aviseco.ro/userfiles/file/98165193653.pdfIn PDF document text
- http://elturo.ru/img/upload/files/92504043487.pdfIn PDF document text
- https://arerp.kr/data/file///11789973472.pdfIn PDF document text
- http://www.next-conseil.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160b06feb0675c---77907077218.pdfIn PDF document text
- http://supermarketdv.ru/files/file/26677700735.pdfIn PDF document text
- http://www.ecvbrass.ch/user/web/file/kasogixokoguredodijer.pdfIn PDF document text
- https://al-farh-iq.com/upload/userfiles/file/vakatanekewamejofenosonug.pdfIn PDF document text
- https://transcendenceit.com/wp-content/plugins/super-forms/uploads/php/files/b68b13702c9a05176b89f63e61100a6d/dijegoweredin.pdfIn PDF document text
- https://roc.mn/uploads/files/36980999222.pdfIn PDF document text
- http://sarlampa.ru/upload_picture/5202322079.pdfIn PDF document text
- https://prevodi-plovdiv.com/userfiles/file/pamunojatesobapoti.pdfIn PDF document text
- https://wecareprogram.org/images/file/33243073218.pdfIn PDF document text
- http://bpabv.nl/uploadfiles/file/vepojivixiwuraxo.pdfIn PDF document text
- https://pecsikult.hu/files/file/mepiri.pdfIn PDF document text
- http://springswellness.net/wp-content/plugins/formcraft/file-upload/server/content/files/160d1c68cbfb99---pifipaxasinenif.pdfIn PDF document text
- https://birudongker.com/contents//files/43199555643.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_off0000b6f1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB6F1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cf03.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF03 | 15876 bytes |
SHA-256: c9dd54265a408fd4a1145c63c3269810d91e41e9d3ac4f4366540e2227ab8d3f |
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font_02_sfnt_off0000f7ec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7EC | 11152 bytes |
SHA-256: b7fd6426ae710e515bf9cbd15830386ed525f85ed92cd66fb2c1a7468925adad |
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