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 links to external websites, many hosted on disposable domains or compromised WordPress installations, 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 0.9991
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://smidgel.ru/uplcv?utm_term=deficiencia+de+macronutrientes+en+las+plantas+pdf PDF link annotation
- http://gadkowski.pl/repository/filemanager/file/59200859293.pdfIn PDF document text
- https://asiastudy.in/ckfinder/userfiles/files/58081985992.pdfIn PDF document text
- https://www.dyna-tech.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16084077383f37---54192899520.pdfIn PDF document text
- https://toskov-yordanov.com/userfiles/file/makixonozanibuxa.pdfIn PDF document text
- http://www.sarajevo-inn-grunewald.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b1c8c3f31cb---mibiwelufipulatawene.pdfIn PDF document text
- http://mouaumfb.com/wp-content/plugins/formcraft/file-upload/server/content/files/160be97a86449d---vifugebeguvones.pdfIn PDF document text
- http://songiadabinhphuoc.com/upload/ck/files/24693136301.pdfIn PDF document text
- http://chinocorporatechallenge.com/clients/6216/File/tupaxiti.pdfIn PDF document text
- http://files.ibiza-ferien.de/file/19098948785.pdfIn PDF document text
- http://aquatrustfina.com/userfiles/file/wunuzurunimiroraj.pdfIn PDF document text
- https://hmv.ir/wp-content/plugins/formcraft/file-upload/server/content/files/160a8147ab95c8---79925630821.pdfIn PDF document text
- https://www.scilights.com/wp-content/plugins/super-forms/uploads/php/files/b764a4860f746fcbb81189f625be5ddf/21759752207.pdfIn PDF document text
- http://viaterrestre.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607d509f8d34b---lozug.pdfIn PDF document text
- http://xn----8sbxab3abskk3a2j.xn--p1ai/media/file/kewudituj.pdfIn PDF document text
- https://bandotrading.com/uploads/file/winodopiko.pdfIn PDF document text
- https://pima-alarms.net/slicice/file/29526146869.pdfIn PDF document text
- https://fiscalonline.ro/app/webroot/files/userfiles/files/niwafijumirofori.pdfIn PDF document text
- http://a-range.ru/wp-content/plugins/formcraft/file-upload/server/content/files/161197192545c0---jevusekoxus.pdfIn PDF document text
- http://topenglish.sk/app/webroot/gallery/files/vepotuvexuvital.pdfIn PDF document text
- https://atx-stroy.ru/wp-content/plugins/super-forms/uploads/php/files/0bb476c1bf71073a04bfb91aeca7a87f/wawogumofuposa.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_off0000f743.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF743 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010f5a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F5A | 10884 bytes |
SHA-256: fa9b2f1922e0b32b43ab831dcdbc1ca9335735010c3ac9699b0512b3517e622e |
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font_02_sfnt_off00012879.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12879 | 18724 bytes |
SHA-256: 39026572dd6118dd2385f967f5879a88ef7a204ca6205092d87843e5545a3ec3 |
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