MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to compromised WordPress sites, which in turn host further PDF files. This suggests a link farm designed to distribute malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware distribution via these chained links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9837
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://www.homefacelifters.com/wp-content/plugins/super-forms/uploads/php/files/a2cc5780dc0b831056e967600bdd4ef8/zidajugogibo.pdf In PDF document text
- http://begemot-rus.com/uploadfiles/file/2021051504495473499.pdfIn PDF document text
- https://www.qlsny.com/wp-content/plugins/super-forms/uploads/php/files/a0223530d950b9c93e1c9de657143374/bagawezavurovimilasevil.pdfIn PDF document text
- https://web-sila.ru/wp-content/plugins/super-forms/uploads/php/files/ec6f7234aff6f160c4a83dd85a901ed5/madatub.pdfIn PDF document text
- https://coluer.ir/documents/file/85156472227.pdfIn PDF document text
- http://cbelmira.com/wp-content/plugins/super-forms/uploads/php/files/0dfhqp0rjuquvc1t5tfa9b05q6/83264759454.pdfIn PDF document text
- https://www.lamuccacompany.com/wp-content/plugins/super-forms/uploads/php/files/b31490009c6a28fefa1b6050300ba2da/nadarafujuvuwat.pdfIn PDF document text
- https://airbays.com/userfiles/file/6586961858.pdfIn PDF document text
- https://anzmrrn.org/wp-content/plugins/formcraft/file-upload/server/content/files/16078a08a63cb0---vijotasawonofidovi.pdfIn PDF document text
- https://makemycake.gr/wp-content/plugins/super-forms/uploads/php/files/5b6n54oa9kanc88si2dnmhqtro/woboju.pdfIn PDF document text
- http://coffee33.ru/archive/file/58840278347.pdfIn PDF document text
- https://www.infrascale.com/wp-content/plugins/super-forms/uploads/php/files/67c38d0c6bf0d1685eefd3ea11c67b71/21170949340.pdfIn PDF document text
- https://t4g.nasscomfoundation.org/wp-content/plugins/super-forms/uploads/php/files/2jrupvat1lv86rmd7rvmo8htt3/64766635725.pdfIn PDF document text
- https://adsbudget.net/userfiles/file/ditota.pdfIn PDF document text
- http://www.skupp.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1606cbc7727bae---5847052238.pdfIn PDF document text
- http://alarcon-v.com/editor_upload_image/file/zufomovorijodotexo.pdfIn PDF document text
- https://ontime-taxi.kg/wp-content/plugins/super-forms/uploads/php/files/81c1b5d9dfdf1b644a4640140dcb50ac/72339940069.pdfIn PDF document text
- http://bjsprt.com/uploadfile/file///2021052917560093.pdfIn PDF document text
- https://www.modianodesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad489131e31---3937338050.pdfIn PDF document text
- http://www.uppld.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609c4e6e90d55---zagos.pdfIn PDF document text
- http://vhktn.at/images/content/files/41641596751.pdfIn PDF document text
- https://nuregio.de/wp-content/plugins/formcraft/file-upload/server/content/files/160952b30f1537---84894263251.pdfIn PDF document text
- https://engravestone.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e10c1a93f8---penoxokusositikizemar.pdfIn PDF document text
- http://lisahyatthealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/160819e4713ee7---tesamu.pdfIn PDF document text
- http://pastoret.it/userfiles/files/11134986298.pdfIn PDF document text
- https://shinyjewellers.com/wp-content/plugins/super-forms/uploads/php/files/60mmagslvh8gq4lpf5r9bp0c52/niwokogimoliro.pdfIn PDF document text
- https://elicopter-de-inchiriat.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160723c5e72435---13860522874.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=a+triangle+must+have+one+acute+anglePDF 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_off0000c2ac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC2AC | 10824 bytes |
SHA-256: 2100272da223fef3dc775d5ead574a531320e3c613fbac2c871d6ee427cca9a1 |
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font_01_sfnt_off0000db82.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB82 | 16224 bytes |
SHA-256: 036ca8ab37d505ef6c9d4255516a3be9b48f7edbddec86b64ab9cf7027be5575 |
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font_02_sfnt_off000105cb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105CB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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