MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV detecting it as a phishing trojan. It contains numerous links to external websites, many hosted on compromised CMS upload storage, suggesting a link farm designed to redirect users to malicious content. The presence of embedded URLs and the nature of the heuristics indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9891
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://irlanc.ru/uplcv?utm_term=timothee+and+eiza PDF link annotation
- https://daleplumbinginc.com/wp-content/plugins/super-forms/uploads/php/files/73d33a188cf60957e733a04b2982fd15/31829253771.pdfIn PDF document text
- https://anmoul.com/userfiles/file/solibezeduzokojajaximapi.pdfIn PDF document text
- https://www.web2business.pt/wp-content/plugins/formcraft/file-upload/server/content/files/160addec23dd26---54158071118.pdfIn PDF document text
- https://pluviaterra.mx/wp-content/plugins/super-forms/uploads/php/files/94828d62a223dc8a3bb466f5dc3002c4/2972518375.pdfIn PDF document text
- https://amirep.com/wp-content/plugins/super-forms/uploads/php/files/48191826953c5c6e13f52c926499fb58/zomem.pdfIn PDF document text
- http://securitydirect.it/wp-content/plugins/super-forms/uploads/php/files/6f1e94f4f32ad50f772ddfefdb4c57cc/71555818285.pdfIn PDF document text
- https://www.democratum.com/wp-content/plugins/super-forms/uploads/php/files/c4206b685c5dfa5e2c1ee73de5d3c19c/5570709674.pdfIn PDF document text
- https://thegioibaobicarton.com/Images_upload/files/vifewowudedutazope.pdfIn PDF document text
- http://phillipsbrothersmill.com/clients/6/65/65192871cce8a6e36080a9ebd2808b02/File/77706490834.pdfIn PDF document text
- http://krindustria.com.br/site/wp-content/plugins/formcraft/file-upload/server/content/files/160b407d9642c2---1865322947.pdfIn PDF document text
- http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1606fa6d8ab4a1---sesupinedigekuzarojigun.pdfIn PDF document text
- http://antasboru.com/guvennet/resimlerfiles/63072679092.pdfIn PDF document text
- http://tipiland.net/upload/file/tukovobidifixajukedowi.pdfIn PDF document text
- http://khaskhaan.mn/uploads/userfiles/files/30416463232.pdfIn PDF document text
- http://kinel-hunter.ru/upfiles/file/68643446962.pdfIn PDF document text
- http://mindentudor.hu/userfiles/file/joluzaguwumerip.pdfIn PDF document text
- https://arihantgranites.in/wp-content/plugins/super-forms/uploads/php/files/6ogfv3eiph7hlbp8j6u4gkflg0/76486418054.pdfIn PDF document text
- https://deepex.hu/hirek/files/88814132052.pdfIn PDF document text
- https://augsburger-dartliga.de/uploads/file/66326509442.pdfIn PDF document text
- http://www.communityheroesproject.org/wp-content/plugins/formcraft/file-upload/server/content/files/16083424ad04ff---79265557546.pdfIn PDF document text
- http://jointrilogy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087f2c09395e---21915561090.pdfIn PDF document text
- http://jyjwqj.com/uploadfile/file///2021060800332893.pdfIn PDF document text
- https://gresathouse.com/wp-content/plugins/super-forms/uploads/php/files/4d8aae387b824f1f1ec5b7b5ca7d9771/tezobibejafasodozu.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://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_off0000eb74.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB74 | 17464 bytes |
SHA-256: b6d29fd80889d590a32ab1d6bf004400cd536bd8f743e65456f688c3568d083c |
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font_01_sfnt_off0001185f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1185F | 10220 bytes |
SHA-256: c229091bc40008887621b9de3159172a4628eae01e2033aa73a35d963a32f910 |
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font_02_sfnt_off00012f1d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F1D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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