MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous external URIs and links to compromised CMS uploads, suggesting it's part of a link farm designed to redirect users to malicious sites. The PDF structure and embedded links are consistent with phishing or malware distribution tactics.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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 https://infrive.ru/uplcv?utm_term=mouvement+rectiligne+uniforme+vari%C3%A9+pdf PDF link annotation
- http://oris-am.com/editor_up/75940702628.pdfIn PDF document text
- https://kabelkyaobuv.sk/editor_uploads/files/bibomixuzetufomed.pdfIn PDF document text
- http://a-kamen.com/userfiles/file/65954863827.pdfIn PDF document text
- http://vdadanang.vn/app/webroot/assets/files/legidenuduv.pdfIn PDF document text
- https://marciasmithconsulting.com/wp-content/plugins/super-forms/uploads/php/files/7a7bec1411649e17ca9b499d2bb37c17/mugoxekarugenupobiniduda.pdfIn PDF document text
- https://www.advids.io/wp-content/plugins/formcraft/file-upload/server/content/files/16119035da6bd7---73320503021.pdfIn PDF document text
- https://jancsoalapitvany.hu/ckfinder/userfiles/files/55351395963.pdfIn PDF document text
- http://ldksolar-officialliquidation.com/userfiles/files/83930631563.pdfIn PDF document text
- http://mramus.com/fck/imagesfile/92563977696.pdfIn PDF document text
- http://esistore.de/userfiles/file/medabupek.pdfIn PDF document text
- https://www.asahinadigital.com/wp-content/plugins/super-forms/uploads/php/files/20ns7k0u35mr50dc6di6450esu/37100341435.pdfIn PDF document text
- http://www.northeastmarquees.com/wp-content/plugins/super-forms/uploads/php/files/2e12e09636d69f6f5429fe2217dd4a82/35246922960.pdfIn PDF document text
- https://economiadecomunion.net/ckfinder/userfiles/files/nonunalisukirexu.pdfIn PDF document text
- https://chaplains-camps.org/upload_picture/file/2139216887.pdfIn PDF document text
- https://www.rogierstoel.nl/wp-content/plugins/super-forms/uploads/php/files/0dsekl4vc6ct2ijmr47d21m82c/53118793259.pdfIn PDF document text
- http://cutskytools.com/d/files/821789400.pdfIn PDF document text
- https://hgqq.hk/tony/churchofgod/ckfinder/userfiles/files/75994635760.pdfIn PDF document text
- http://ar-intl.net/wp-content/plugins/super-forms/uploads/php/files/q3e8aeucj5gaectg166td5n5b7/vevaruziwusome.pdfIn PDF document text
- http://cunningham-reunion.com/clients/7/73/7399477c88ef979e1ad3ac38e42cffcc/File/3206041763.pdfIn PDF document text
- http://www.kevinbrooks.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160c92eda4673c---jonudazanuxebapewogeka.pdfIn PDF document text
- http://domesticsolutionsagency.com/userfiles/file/bufuwa.pdfIn PDF document text
- http://www.grifin.sk/files/70284639950.pdfIn PDF document text
- https://digireg.nu/upload/53700296691.pdfIn PDF document text
- https://delcinfo.ru/img/files/files/pezekiremipazinite.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_off0000cab8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCAB8 | 19584 bytes |
SHA-256: 366851a3bc87e803de1ee4f35f7d15bef0d8ef6629d8aa7a2eedd4f3c5e006f5 |
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font_01_sfnt_off0000fc96.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC96 | 11108 bytes |
SHA-256: f995d6afc88c8b645836d3456765acb9ea4b5684f02ccaa12d3018a3fb4198a5 |
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font_02_sfnt_off000115fc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x115FC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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