MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier. It contains numerous external URLs, many pointing to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of embedded URLs and the overall structure indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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://cructi.ru/uplcv?utm_term=tamilrockers+telugu+hd+movies+2021 PDF link annotation
- https://brokenspoke.com/wp-content/plugins/super-forms/uploads/php/files/d0c4cfc01585d26e21c15737a30355de/4540984824.pdfIn PDF document text
- http://lichnyiybrand.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16077ff92d4f67---27625942739.pdfIn PDF document text
- https://robotics-institute.com/wp-content/plugins/super-forms/uploads/php/files/frshkhebpd2cv6ugl6ngf6m31s/99322438584.pdfIn PDF document text
- http://methese.com/upload/files/94285546388.pdfIn PDF document text
- http://dogable.de/userfiles/file/95557818266.pdfIn PDF document text
- https://himalayanthailand.com/image/upload/File/dodisubax.pdfIn PDF document text
- http://www.mvdisposal.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad8826c4dac---vesenogelut.pdfIn PDF document text
- https://arihantgranites.in/wp-content/plugins/super-forms/uploads/php/files/r7al1jndh7a8apdhbog3cd5if3/69741835596.pdfIn PDF document text
- https://voicelux.ru/wp-content/plugins/super-forms/uploads/php/files/6a8ef22d2d6ef76124511b29a90b6bc8/saven.pdfIn PDF document text
- http://a1-automotivegroup.com/upload/files/kevakazal.pdfIn PDF document text
- http://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609cc37dc00c3---wosokutir.pdfIn PDF document text
- http://wanyuantemple.tw/userfiles/file/besodenibebuzo.pdfIn PDF document text
- https://xn--80aaijzh9b.xn--90ae/documents/file/63556764285.pdfIn PDF document text
- http://www.lentilles-progressives.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16090c8ae4ac25---88454388774.pdfIn PDF document text
- https://www.projectorrentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cb2a127385---buluvinetu.pdfIn PDF document text
- http://guss-ex.de/uploads/fck/file/gakexokadevarovukedubu.pdfIn PDF document text
- http://techbico.vn/uploads/image/files/zaravasunegenefowumivi.pdfIn PDF document text
- http://effektfilm.de/files/file/golupun.pdfIn PDF document text
- https://asthasupermarket.com/userfiles/file/49494295330.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_off0000dbd0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDBD0 | 11228 bytes |
SHA-256: c2afef6f43f90dd68685c5aa61c8ba7150755753cb162a609f6de845da16674d |
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font_01_sfnt_off0000f60e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF60E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010e20.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E20 | 17204 bytes |
SHA-256: b7b43b28c29c27627d7eb594ecf51aed4497a187344decfe261208cb6d76aaf5 |
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