MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links pointing to compromised WordPress sites, suggesting a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly indicate malicious intent. Although no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a malicious campaign, likely involving the download of a second-stage payload.
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://infrive.ru/uplcv?utm_term=castlevania+dawn+of+sorrow+rom+download PDF link annotation
- https://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/160897c0bcd45b---16653080344.pdfIn PDF document text
- https://rffsev.ru/wp-content/plugins/super-forms/uploads/php/files/7d7539edab0d2a44ed30f38cff6a6a4d/25078163034.pdfIn PDF document text
- http://cricalliance.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f56aec2f5a---53936314613.pdfIn PDF document text
- https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/16087e5942aea9---87738643920.pdfIn PDF document text
- https://soechi.net/userfiles/file/49757173074.pdfIn PDF document text
- http://dom-nenilovo.ru/wp-content/plugins/super-forms/uploads/php/files/ae66de461e59d2d4c0bc3e0b21d31c85/79622415172.pdfIn PDF document text
- http://skup-laptopow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072ebebb36d7---13021395356.pdfIn PDF document text
- https://www.acptechnologies.com/wp-content/plugins/formcraft/file-upload/server/content/files/160760e8b53a8e---xatalomawukuninurul.pdfIn PDF document text
- https://lakeshoresmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/sg3e3s8ofoas7ua4qnkkp9r086/99508958296.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096c99e100d5---zuvusovunamuwuzasik.pdfIn PDF document text
- https://hgb.se/filer/file/lositika.pdfIn PDF document text
- https://ocvirapuato.com.mx/wp-content/plugins/super-forms/uploads/php/files/a19279d593d5a1b63e99eeb85f8fb930/48588326010.pdfIn PDF document text
- https://www.kalirich.com/wp-content/plugins/super-forms/uploads/php/files/9mffjoqj08iabvl1i8itaivl83/74217315836.pdfIn PDF document text
- http://plusbateria.com/wp-content/plugins/formcraft/file-upload/server/content/files/160714fdcdc264---11650136448.pdfIn PDF document text
- http://www.marcado.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607851b8a850e---59757792802.pdfIn PDF document text
- http://uyaviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bf5d976371e---naporobufut.pdfIn PDF document text
- http://kaplanpm.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091b9cd6a755---lejukosirif.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_off0000d77d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD77D | 5112 bytes |
SHA-256: c23e61603937898968d73b4a008854b1729de8e620863f409aaffed7bc25a262 |
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font_01_sfnt_off0000e8de.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8DE | 11768 bytes |
SHA-256: 2ffc17888affedf09f832c35bec6352a7b028408820bdf033f69f43a3686cbee |
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