MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded URLs, many of which point to compromised CMS upload directories. The ML classifier strongly indicates maliciousness, and the structure suggests a link farm designed to distribute malicious PDFs or manipulate search engine results. No scripts were extracted, limiting the analysis of direct execution vectors.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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 http://jandenzobv.com/image_uploads/file/xagakinadarafux.pdf In PDF document text
- https://autoschiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/160bdc0fc21ce2---62954831648.pdfIn PDF document text
- https://brylka-kfz.de/wp-content/plugins/formcraft/file-upload/server/content/files/16083cf64df720---wewejonisomal.pdfIn PDF document text
- http://www.pranabkumar.com/fckimages/file/ziwugiwapiliboxep.pdfIn PDF document text
- https://namastehealth.in/wp-content/plugins/super-forms/uploads/php/files/cpprkmcot4sngmmfg5ndalf0k1/75142006822.pdfIn PDF document text
- https://granitnet.hu/editor_up/93809722373.pdfIn PDF document text
- https://www.sesc.com.ua/wp-content/plugins/super-forms/uploads/php/files/jinj4mh19ld3o17ggm83h4ceh5/4531796842.pdfIn PDF document text
- https://georgiamusicpartners.org/wp-content/plugins/super-forms/uploads/php/files/831b0a8848ae0420a8e87a1b3d72517b/tefaluvo.pdfIn PDF document text
- http://spostojow.pl/userfiles/file/59421956605.pdfIn PDF document text
- https://ocvirapuato.com.mx/wp-content/plugins/super-forms/uploads/php/files/0d5826cf8abf820e3bd2d70e4854c297/67962390000.pdfIn PDF document text
- http://elenasteele.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b47cee61470---foxodibifu.pdfIn PDF document text
- http://schokozentrale.de/idata/37096876631.pdfIn PDF document text
- https://kolodezrus.ru/wp-content/plugins/super-forms/uploads/php/files/b1ec07eef3d778bbe4da622b8aeff24f/jolizilumi.pdfIn PDF document text
- http://sibmetiz.ru/upload_picture/18830048034.pdfIn PDF document text
- http://myrbacken.se/login/ckfinder/userfiles/files/punetituxaguvo.pdfIn PDF document text
- https://evg-prague.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160be1d93397bf---72961669880.pdfIn PDF document text
- http://belean.pl/userfiles/file/gimukijunopo.pdfIn PDF document text
- http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/202fc685ff14d594d4ba978a5a54e1fc/manedetidogafudisilawow.pdfIn PDF document text
- http://allmedicus.com/userfiles/file/vejuvesojibumamumabez.pdfIn PDF document text
- https://tcufroghouses.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608572d3edc1e---tadeguredoguke.pdfIn PDF document text
- https://gamaconsultores.cl/upload/file/tabatanos.pdfIn PDF document text
- http://webinaris.org/ckfinder/userfiles/publics/files/21919492501.pdfIn PDF document text
- http://bephoangdung.vn/uploads/ckfinder/files/77800839294.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=christmas+tree+sketch+imagesPDF 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_off0000ec2b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC2B | 10532 bytes |
SHA-256: d76ddd8ee2fd3bcea1a18904bb8921c12ceef5a1c0b147f3e79b266e3224bbad |
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font_01_sfnt_off00010439.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10439 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011c4b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C4B | 17192 bytes |
SHA-256: 2d67a0e23c25b9be2acc0b0cde56b8fb01e73b8b1ea8d69452687efae2ed367e |
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