MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable hosting, suggesting a link farm designed to distribute malicious content or manipulate search engine results. The ML classifier strongly indicates maliciousness, and the presence of external URIs and link farms points towards a phishing or SEO poisoning attack vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
Heuristics 5
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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://cructi.ru/uplcv?utm_term=l+t+switchgear+products+pdf PDF link annotation
- http://liebherr-tr.com/userfiles/file/38861628514.pdfIn PDF document text
- https://mannerfeltdesignteam.se/ckfinder/userfiles/files/mokonesegozijojivupod.pdfIn PDF document text
- http://ketoanaca.com/uploads/image/files/58940198424.pdfIn PDF document text
- https://www.azembay.com/wp-content/plugins/super-forms/uploads/php/files/omosiaomn0ff2rlclf0p4u9i78/naxonekupibino.pdfIn PDF document text
- https://ludifrance.fr/userfiles/file/mofoga.pdfIn PDF document text
- http://tweedehandswikkelaar.nl/app/webroot/files/userfiles/files/48885660010.pdfIn PDF document text
- https://ateneoarbonaida.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b6c65c35c9d---64850458133.pdfIn PDF document text
- http://abwsalisbury.com/uploads/files/21463570602.pdfIn PDF document text
- https://brokenspoke.com/wp-content/plugins/super-forms/uploads/php/files/2f5f8f02338d7d5299a953ebbf34887a/fipijexox.pdfIn PDF document text
- http://www.mvdisposal.com/wp-content/plugins/formcraft/file-upload/server/content/files/160801bbf45fe7---jikarawinagazurot.pdfIn PDF document text
- https://camile.vn/wp-content/plugins/super-forms/uploads/php/files/cijsljns1lfr2hqao52ohk7u8s/jevoluzoto.pdfIn PDF document text
- http://www.victorian-manor.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1608e04dbdf3de---75677626398.pdfIn PDF document text
- http://presssimayeshahr.ir/pic/file/widonesem.pdfIn PDF document text
- https://shiokuda2.com/contents/files/17137105594.pdfIn PDF document text
- http://ijdssymposium.eu/upload/3999086285.pdfIn PDF document text
- https://cuisinescartier.ca/upload/editor/file/disedevewapeg.pdfIn PDF document text
- http://fmmvn.net/userfiles/files/24550883390.pdfIn PDF document text
- http://quanhoangtsi.com/upload/quangtri/files/kitugafav.pdfIn PDF document text
- https://cplastik.cz/data/cms/file/4838302293.pdfIn PDF document text
- http://elenasteele.com/wp-content/plugins/formcraft/file-upload/server/content/files/160792f324417b---16899957437.pdfIn PDF document text
- http://brainerdhs71.com/clients/0/08/084bd9d902c6a1e3ee48703551c87841/File/xolejenukogirawinaxut.pdfIn PDF document text
- http://www.scmphotography.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607f76db35a7a---defasogezuda.pdfIn PDF document text
- https://driftwoodcc.com/userfiles/files/82378357946.pdfIn PDF document text
- https://www.alertgy.com/wp-content/plugins/super-forms/uploads/php/files/9a70aeb1a635d81d16b4d897d933024f/muripixesigovoxigapedug.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_off0000cf10.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF10 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e727.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE727 | 10892 bytes |
SHA-256: 5a2ab651df1423199fd3ff0324fe46bbc0bec289038f127d7ebfb375080e5aee |
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font_02_sfnt_off00010061.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10061 | 18776 bytes |
SHA-256: 06e4514d03e45f347c5a3fff4d751a1680b5c5e87a037e38d56249db15aaa819 |
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