MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links pointing to compromised websites and disposable hosting, indicating a link farm designed to redirect users. Heuristics suggest it's a phishing lure, and ClamAV detection confirms its malicious nature. While no scripts were directly extracted, the PDF structure and URL patterns are consistent with malicious document delivery mechanisms.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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://smidgel.ru/uplcv?utm_term=android+ldap+authentication PDF link annotation
- http://caopump.com/admin/userfiles/file/tilubad.pdfIn PDF document text
- https://www.wikiwebagency.it/wp-content/plugins/super-forms/uploads/php/files/dfda666ccaa9ab864bfea794818e5c73/56720211656.pdfIn PDF document text
- http://bassonconsulting.mc/userfiles/file/54632068387.pdfIn PDF document text
- https://championsforchildren.org/wp-content/plugins/super-forms/uploads/php/files/029ed0797bd0200a13c87f968728d109/wufoxaloremilafi.pdfIn PDF document text
- https://helicopterleasingservices.com/userfiles/files/9770009780.pdfIn PDF document text
- https://hondaotohaiphong.vn/upload/files/mipigegofesomak.pdfIn PDF document text
- http://glttek.com/userfiles/file/99809716726.pdfIn PDF document text
- https://wendi101.com/userfiles/file/vewaferetebevepasozon.pdfIn PDF document text
- https://telorgabus.com/contents/files/44946019991.pdfIn PDF document text
- http://print-printonline.com/ckfinder/userfiles/files/70471544652.pdfIn PDF document text
- http://tetrafluoro.com/upload/files/tubodaxafufeke.pdfIn PDF document text
- https://fallsplat.se/bildbank/file/sefusiw.pdfIn PDF document text
- https://koltoztetes-szallitas-lomtalanitas.excore.hu/ckfinder/userfiles/files/2341644317.pdfIn PDF document text
- https://cqc-material.com/app/webroot/userfiles/files/23904482814.pdfIn PDF document text
- http://signexpowholesale.com/project-new/christianbook/upload_images/file/misagamexemorefufuk.pdfIn PDF document text
- https://ans5680.preneed91.com/upload/files/9380305754.pdfIn PDF document text
- https://clove7.com/userfiles/file/mazexepigolixakodomopazed.pdfIn PDF document text
- http://buddhavehicle.com/userfiles/file/65418111065.pdfIn PDF document text
- http://jockmurray.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613456e68c0c9---vowutuwejumipenisib.pdfIn PDF document text
- http://businessvaluationapp.com/fck_files/file/19784007334.pdfIn PDF document text
- http://grimastone.ru/files/63605157337.pdfIn PDF document text
- http://generale-bureautique.fr/gdb/files/file/gapukozuwat.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_off0000e173.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE173 | 18116 bytes |
SHA-256: 438e64abc68250bef88b6151a5f726a235a067c2b6252664e580b22c63ac0f09 |
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font_01_sfnt_off00011043.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11043 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001285a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1285A | 10524 bytes |
SHA-256: d9f8f3157d1d12ebdc058bf39365cca9d427c9d489601c945bfde2349cbe8cfe |
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