MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many pointing to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users. The presence of these links and the overall structure strongly suggest a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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 http://sotel-perm.ru/site/file/84458477920.pdf In PDF document text
- http://www.gc-antey.ru/ckfinder/userfiles/files/59587999746.pdfIn PDF document text
- http://koppeika.ru/userfiles/file/77769882362.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/161387d3c676da---67828076989.pdfIn PDF document text
- http://szigmetal.hu/editor_up/86044862716.pdfIn PDF document text
- https://www.superioreagle.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b31a33c705---tiluwofozubitovotugata.pdfIn PDF document text
- http://burbank.kopanramen.com/uploads/files/95875520678.pdfIn PDF document text
- https://sapporomn.com/userfiles/files/buxajofizakav.pdfIn PDF document text
- http://umffz21.ru/admin/ckfinder/userfiles/files/3527148772.pdfIn PDF document text
- https://www.kiemtoandongnghi.com/public/plugins/ckfinder/userfiles/files/84105875990.pdfIn PDF document text
- https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/3cg7qtu2mk75n6ql6sk6g60rgu/nuputimogigewevoti.pdfIn PDF document text
- https://aksukartela.com/images_upload/files/52200045520.pdfIn PDF document text
- http://newbiesites.com/userfiles/file/31231072808.pdfIn PDF document text
- https://wscnaturalhealings.com/wp-content/plugins/super-forms/uploads/php/files/4b91bf98139b5295687c611e6b384590/kejidefukevuza.pdfIn PDF document text
- http://materialdeestudo.top/userfiles/files/55913359456.pdfIn PDF document text
- https://ivanda-commerce.hr/userfiles/file/27497590801.pdfIn PDF document text
- http://emploi.nat.tn/ckeditor/ckfinder/userfiles/files/30929230424.pdfIn PDF document text
- http://aelma.com/sites/default/userfiles/file/tekefiwekel.pdfIn PDF document text
- http://samnakthodrahassob.com/userfiles/file/5601815965.pdfIn PDF document text
- https://www.wroclawmodelshow.pl/ckfinder/userfiles/files/61608863996.pdfIn PDF document text
- http://www.emporiocaritaspisa.it/wordpress/wp-content/plugins/formcraft/file-upload/server/content/files/161414652a8257---mazekoxozoralebobi.pdfIn PDF document text
- https://proektasis.gr/admin/spaw2/uploads/files/16957688935.pdfIn PDF document text
- http://lachina.cn/upload/file/54737831570.pdfIn PDF document text
- http://fcv-bo.org/data/fcv-bo/userfiles/file/zaxufewaziruviluto.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=y+action+wordsPDF 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_off0000d9d4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9D4 | 17888 bytes |
SHA-256: 07c3cd35664ab51fc3fda7b8934967a6c6e166de23d34d793a18499450c7e85e |
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font_01_sfnt_off0001079b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1079B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011fb2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FB2 | 10252 bytes |
SHA-256: d2e8f4b715855c3e2918385edee3c7b739ec37ca54ccb3c318e427d90c4ff687 |
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