MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded URLs pointing to compromised WordPress sites and disposable hosting, indicating a link farm designed to redirect users to malicious content. The ML classifier and ClamAV detection strongly suggest this PDF is malicious, likely serving as a phishing lure or a distribution point for further malware. No scripts were extracted, but the heuristic firings and URL analysis confirm a malicious intent to redirect users.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
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://medvor.ru/uplcv?utm_term=sample+hoa+rules+and+regulations+washington+state PDF link annotation
- https://impariant-club.ru/wp-content/plugins/super-forms/uploads/php/files/1319034cd6bc1e657e0e1cf34c3662ee/77758380392.pdfIn PDF document text
- https://webtraffic.ch/wp-content/plugins/super-forms/uploads/php/files/roafjoba7rneqvidhc702n680v/radelipetu.pdfIn PDF document text
- https://jjmassociates.com/wp-content/plugins/super-forms/uploads/php/files/a90494b7f70dd1ec87e424cae2d2eb8c/zokedajuv.pdfIn PDF document text
- https://sumangold.net.vn/wp-content/plugins/super-forms/uploads/php/files/212k6nvuc9gfe1nvg7p301lq58/30206728316.pdfIn PDF document text
- https://blueridgelightingandcontrols.com/wp-content/plugins/super-forms/uploads/php/files/e95c6c0e1bba26bdd77ac3f05be3989b/sazexepajajej.pdfIn PDF document text
- https://cashmeredreams.com/wp-content/plugins/super-forms/uploads/php/files/28d7a16fa3eb1c17a32109da2d966417/sowunevijavuxofuzejotes.pdfIn PDF document text
- http://abogarestudio.com/userfiles/file/todogisijepikivojav.pdfIn PDF document text
- https://personalloan2u.com/wp-content/plugins/super-forms/uploads/php/files/d032b07ea2b9741b8a491816a8685822/zebepu.pdfIn PDF document text
- http://thehawthornnyc.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ac1dd0891f---faruzabiseta.pdfIn PDF document text
- http://lisahyatthealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a89bf4d840a---96475830232.pdfIn PDF document text
- http://adance0112.com/upfile/editor/file/99657493286.pdfIn PDF document text
- http://plenaadoracao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609633c38ef8a---dunazerelagufeg.pdfIn PDF document text
- http://keralabiblesociety.com/fck_uploads/file/joruxeb.pdfIn PDF document text
- https://howardsteeves.com/wp-content/plugins/super-forms/uploads/php/files/31583da52a57c4517589e281ff63a893/loxuvibubem.pdfIn PDF document text
- https://segurosjdd.com/wp-content/plugins/super-forms/uploads/php/files/p989io2aan56prmhbibi9dh9v3/93808354594.pdfIn PDF document text
- https://www.pennlighting.com/wp-content/plugins/super-forms/uploads/php/files/55f12bb3c8e9da815494a3677e82ea41/24955314555.pdfIn PDF document text
- https://www.hungryalex.com/wp-content/plugins/super-forms/uploads/php/files/imlvqaq55o5eeq75qe7j8kcpgn/56190532152.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00019417.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x19417 | 5568 bytes |
SHA-256: 31c403e8b76c556193ad51d5804f4daee5715c6310604dab29cc652257104891 |
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font_01_sfnt_off0001a6e1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1A6E1 | 11852 bytes |
SHA-256: e816ed04b556d6f1f54693936b086292cf51947d1dc8f274fc8ec9eec75d726f |
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