MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample is a PDF file flagged by ML classifiers and ClamAV as malicious. It contains numerous embedded URLs, many of which point to compromised CMS upload directories or disposable hosting, suggesting a link farm designed to manipulate search engine results or host malicious content. The presence of external URIs and the PDF_SEO_DISPOSABLE_LINK_FARM heuristic indicate a strong intent to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://hartwellcook.com/wp-content/plugins/super-forms/uploads/php/files/dfeaa443a749b758538c4f29edc8146d/35726882588.pdf In PDF document text
- https://travelworld.ro/userfiles/file/3616479226.pdfIn PDF document text
- http://akademia-jedenastka.pl/zdjecia/fck/file/vujonuxugapipaxofudazu.pdfIn PDF document text
- https://bechtoldpaving.com/wp-content/plugins/super-forms/uploads/php/files/0d3b17d872cd2bcdf4a73270f3d68b14/70383106722.pdfIn PDF document text
- https://nowackleverkusen.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608174ce45b61---bimegofumozukasap.pdfIn PDF document text
- https://ladangmimpi.com/contents//files/41598766793.pdfIn PDF document text
- http://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607d4aacc1887---81064970210.pdfIn PDF document text
- http://averon.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607358de1fd91---13992280989.pdfIn PDF document text
- https://jfefood.com/wp-content/plugins/super-forms/uploads/php/files/737aad5c8925bfc0944335407633df82/safekevetanir.pdfIn PDF document text
- http://beckydavidsonhomes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160876d19117e7---69829057049.pdfIn PDF document text
- https://thejinglelab.com/wp-content/plugins/super-forms/uploads/php/files/sebff4gagbdqcv5k15djcfbk41/vazugumameduxafexikifobof.pdfIn PDF document text
- https://hylyt.co/wp-content/plugins/super-forms/uploads/php/files/77e963cd5cb6d44b7b8f35286200c3c4/pezidabugidezuv.pdfIn PDF document text
- https://aquariumfargo.com/wp-content/plugins/super-forms/uploads/php/files/91315ff194f6ee684c6e596bb3ec4f9e/vidodipinonamalolekilu.pdfIn PDF document text
- http://marinapogon.pl/upload/file/zedufomolanovejunok.pdfIn PDF document text
- http://grandfiltr.com/files/file/98128115305.pdfIn PDF document text
- http://shreyaghoshal.com/konadnew/userfiles/file/34108903663.pdfIn PDF document text
- https://wamsconference.com/wp-content/plugins/super-forms/uploads/php/files/b4d71c40b6e47a27ba45056944ffff31/6034190310.pdfIn PDF document text
- https://noelex22.org/userfiles/file/fekarezoxotibanaferelefop.pdfIn PDF document text
- http://freetds.net/userfiles/file/kedolol.pdfIn PDF document text
- http://gilleyfamilyreunion.com/clients/6/6c/6ce887ac6ce8bbcacf46524318b1f362/File/87645528056.pdfIn PDF document text
- http://musicincw.com/fckeditor/userfiles/image/fukojarizorefo.pdfIn PDF document text
- http://artstudiodesign.it/userfiles/files/72135375727.pdfIn PDF document text
- http://inhome360.ru/admin/ckfinder/userfiles/files/fudunotabuzewekadev.pdfIn PDF document text
- http://aksaaydinlatma.com/img/editor/image/file/jifolosisuxoteragipofoju.pdfIn PDF document text
- https://axlthailand.com/imagexx/files/molipatukesowez.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=counting+money+worksheets+grade+1+pdfPDF 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_off0000b846.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB846 | 11376 bytes |
SHA-256: 9587399f23b677445a4d0a745ddad53c360a772a0791f544948682f4265a08e9 |
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font_01_sfnt_off0000d2e2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD2E2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000eaf4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEAF4 | 16584 bytes |
SHA-256: 343690c3b3bf57ea36076422af895e00f6f330056e0d5c6871852b26766eed6d |
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