MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious File
This PDF file was identified as malicious by ML classifiers and ClamAV. It functions as a link farm, directing users to multiple compromised WordPress sites. These sites, in turn, host further PDF files, indicating a likely phishing or malware distribution scheme. The use of compromised CMS upload directories suggests an attempt to leverage legitimate infrastructure for malicious purposes.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bacb71df828.pdf In PDF document text
- https://troypin.com/calisma2/files/uploads/rejutegalijilatabalelaz.pdfIn PDF document text
- http://raunlarose.us/wp-content/plugins/formcraft/file-upload/server/content/files/160a827d7525f9---28584110637.pdfIn PDF document text
- http://tauben-buchmeier.de/kleinberliner-schuetzen/userfiles/files/zamokinafegesajef.pdfIn PDF document text
- http://jirehenl.com/userfiles/file/280228308723.pdfIn PDF document text
- https://coloreverything.love/wp-content/plugins/super-forms/uploads/php/files/46a05101b80797dd927f9cef235c13e2/34186257015.pdfIn PDF document text
- https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/letrp8scbf706bti4kdjoglq9m/15079219124.pdfIn PDF document text
- http://adhdesign.de/userContent/files/20210608161831-72585979451.pdfIn PDF document text
- http://svenstavik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160780dd541e17---36197077585.pdfIn PDF document text
- http://lilit-realty.com/wp-content/plugins/super-forms/uploads/php/files/pj4vn82a94nsjkvvd989l9qai6/8163342080.pdfIn PDF document text
- https://gservicepz.com/wp-content/plugins/super-forms/uploads/php/files/2d23b8b24e207919ee3b221a4763f67e/polawapofuxugupupebi.pdfIn PDF document text
- https://www.dazzlingdecor.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608ec01b16123---38664659689.pdfIn PDF document text
- http://adabaskimerkezi.com/upload/file/sikavew.pdfIn PDF document text
- http://kirks-pool.com/wp-content/plugins/formcraft/file-upload/server/content/files/160756ce333388---lesagone.pdfIn PDF document text
- https://globalazeri.az/wp-content/plugins/super-forms/uploads/php/files/teh93kjnf6b8kvgaq8lv5gjbd6/buduxadelonaxupijazefu.pdfIn PDF document text
- https://www.drserapkagan.com/wp-content/plugins/super-forms/uploads/php/files/hufaf3j4u44ror4teq9p7odiaa/lurop.pdfIn PDF document text
- https://neoville.ru/wp-content/plugins/super-forms/uploads/php/files/08079a4c2a97c50f19f464cb31a31c75/83863711577.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=5+star+hotel+requirements+pdfPDF 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_off000101db.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101DB | 17320 bytes |
SHA-256: 7a1646002307af222b2aeea560a69d06eec3778effab500ea561cc47f51d7c96 |
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font_01_sfnt_off00012e43.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E43 | 11044 bytes |
SHA-256: b53cb30cd63b1dc1b7f7c90270b6629b18672713fea4de30fd3e271651a57c40 |
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font_02_sfnt_off00014791.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14791 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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