MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to compromised WordPress sites, indicating a link farm designed to manipulate search engine results or distribute malicious content. The ML classifier strongly flagged this PDF as malicious, supporting its role in a potential phishing or content distribution scheme. No scripts were extracted, but the presence of multiple external links and the ML detection suggest a malicious intent to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://infrive.ru/uplcv?utm_term=best+site+to+watch+malayalam+movies+online+free PDF link annotation
- https://aguiapromocional.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c4ddff122f5---rotitokoref.pdfIn PDF document text
- http://www.fsnn.se/wp-content/plugins/formcraft/file-upload/server/content/files/160b47a78a577d---bepimulixoguwudemebopelo.pdfIn PDF document text
- https://wilsonbarrera.com/inicio/wp-content/plugins/formcraft/file-upload/server/content/files/160c8623aeac24---rewizazizenu.pdfIn PDF document text
- https://classconnbio.com/img-jacson/files/govesugeseturododaz.pdfIn PDF document text
- http://lltsg.com/uploadfile/file///2021070510301685.pdfIn PDF document text
- https://beaufortbond.com/wp-content/plugins/super-forms/uploads/php/files/88ddc73d6e98bdd4089989906dc4052c/96768247951.pdfIn PDF document text
- https://pyhm.ca/wp-content/plugins/super-forms/uploads/php/files/529cgk2khn6818iacgq40rc0do/nerigututimevawem.pdfIn PDF document text
- http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090c4cb87f0d---55591260560.pdfIn PDF document text
- https://www.corridar.com/wp-content/plugins/super-forms/uploads/php/files/69q5gn3sipinq5j8qrh2so3hn3/lubowibabujusodomulap.pdfIn PDF document text
- http://www.acefence.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081b8b0d0613---99354646195.pdfIn PDF document text
- https://trsbarriersdirect.com/wp-content/plugins/super-forms/uploads/php/files/uvfs766hhcivs8a6ntmomi9qc7/7951154418.pdfIn PDF document text
- http://www.iamgoingto1996.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608886c16a98a---mixovusesavu.pdfIn PDF document text
- http://www.kreasoft.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160a6c24a1a2f5---pimus.pdfIn PDF document text
- http://anandamsanyal.com/userfiles/file/jaxajuzulifubelekug.pdfIn PDF document text
- https://www.helpfulhunks.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16094be2773bd1---10548973964.pdfIn PDF document text
- https://reflexlighting.com/wp-content/plugins/super-forms/uploads/php/files/8cd576ffb03720306aa02df7a5b86173/64047066447.pdfIn PDF document text
- http://www.goldenlantern.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1608ada02ea4fb---40787332106.pdfIn PDF document text
- http://dossalas.com/wp-content/plugins/super-forms/uploads/php/files/165b099b0041b28e1af05d9e2e4dad62/pebuvijufewiropojisasat.pdfIn PDF document text
- http://www.reenactmentmarket.eu/images/wyswig_images/file/difexasafoja.pdfIn PDF document text
- http://www.ecvbrass.ch/user/web/file/14491779244.pdfIn PDF document text
- http://flightshop.jp/images/blog//file/14709399788.pdfIn PDF document text
- https://balance-global.com/wp-content/plugins/super-forms/uploads/php/files/od1spjan63h5h4eb25f5qemtig/34710441996.pdfIn PDF document text
- https://rcot.org/userfiles/file/90082585699.pdfIn PDF document text
- https://allcreaturesinc.com/files/files/rowabawuju.pdfIn PDF document text
- https://nhatngudongkinh.com/upload/ckupload/files/mozitidijizikutafolelamaz.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_off00010046.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10046 | 10920 bytes |
SHA-256: 46c4652d2a08d845c0a9848ec04027254505c8db642d5945276c2f1f2ad694b7 |
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font_01_sfnt_off00011986.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11986 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013198.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13198 | 17888 bytes |
SHA-256: d295ef4a2eac61e56cdfe318fe00f5b8baf47c789b353bcfabee50422fb65cb6 |
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