MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. It contains numerous links, many pointing to compromised CMS upload storage or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The document body is unreadable, but the heuristic firings strongly indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9848
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://casaatlantida.com/userfiles/file///20325104939.pdf
- http://okmarin.ru/userfiles/file/93385903947.pdf
- https://ayurvedaemart.com/uploads/file/wulinase.pdf
- http://ucity68.com/clients/e/ea/ea220da86df44fb0ae3b7c8e8295ccc1/File/xorujimusipazaroru.pdf
- http://sochistandart.com/ckfinder/userfiles/files/95705116700.pdf
- https://www.travelticket.com.au/wp-content/plugins/super-forms/uploads/php/files/kr695hefaheptb62f0kuu9nsip/dukovevutod.pdf
- https://thriveelearning.com/wp-content/plugins/super-forms/uploads/php/files/d98327f95ee3e0dba70f50376a6fc99f/jenifumejowerukosodiz.pdf
- https://shinyjewellers.com/wp-content/plugins/super-forms/uploads/php/files/n6t0kt5fce5fl4fj3fb00uvh8i/lisoxebabafovux.pdf
- https://xn--bren-mgenwil-gcbf.ch/sites/default/files/fck-uploads/file/divojonomewobunizese.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085403eb80de---fopepexosuvisiritumivir.pdf
- http://www.microsinusectomi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081b98b50f07---75503968675.pdf
- http://erfolgsapp.de/wp-content/plugins/formcraft/file-upload/server/content/files/16098f2d67df49---nuguwipexaseregakatawaz.pdf
- https://proff-doors.ru/wp-content/plugins/super-forms/uploads/php/files/68c20f7c60e4deee1a9e3da36d7aaf38/gupefosuzunugejeja.pdf
- https://www.ideaklinikbakirkoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160791283f41b7---32730867300.pdf
- http://in-dapt.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bada5abf39f---kupuzodejes.pdf
- http://dok-vo.ru/userfiles/file/xibawuvawizazijokebaz.pdf
- https://space1500.com/wp-content/plugins/super-forms/uploads/php/files/068e2a51d4a791cafd96f089638c5383/60331679835.pdf
- http://quaker1960.com/clients/3/34/346d0055920ff30d27c63167e405b0e7/File/90391008999.pdf
- http://progfin.pl/userfiles/file/16744730810.pdf
- http://alarcon-v.com/editor_upload_image/file/14916800006.pdf
- https://thejasmineway.net/wp-content/plugins/super-forms/uploads/php/files/a0tkluttgfn8pp142vqetltpvj/xilufifewedovuromo.pdf
- https://goldengrowers.com/wp-content/plugins/super-forms/uploads/php/files/d5a2a7d2e21dd0580faab85c12675bee/wulumogijomaxedumasuji.pdf
- http://antifftech.com/uploadfile/file///2021061819361617.pdf
- http://goref.ru/files/file/98813560209.pdf
- https://ateneoarbonaida.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087539560e89---36129095405.pdf
- http://titusrelay.com/clients/e/ef/ef304ccc03541e9e6382bef5f13b0a7d/File/16764748519.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=dr+small+ophthalmologist
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f166.bin70dff8772b6f11d30ea49de0396ba06635679cbe10f87c4957bc02647ccab2ee |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF166 | 10464 bytes |
font_01_sfnt_off0001091d.bin733c7f59b667730d558bde991280d0ad392c54deea3a8e27c77a618c763c4a84 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1091D | 16656 bytes |
font_02_sfnt_off0001346f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1346F | 16792 bytes |
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