MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links to compromised WordPress sites and disposable hosting, suggesting an attempt to distribute malware or phish for credentials. The presence of a 'download button' heuristic further supports the lure-based attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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=mariah+carey+puppy+movie PDF link annotation
- http://stellamaris.cz/userfiles/64243625532.pdfIn PDF document text
- http://www.melodypods.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079a473375c3---fikomez.pdfIn PDF document text
- https://www.baileysmilk.com/wp-content/plugins/super-forms/uploads/php/files/51ecc8592dd1639d5de02b1340d52fb8/segunapuxi.pdfIn PDF document text
- http://adria-ex.com/images/blog//file/libuvozi.pdfIn PDF document text
- https://dentinale.eu/wp-content/plugins/super-forms/uploads/php/files/0a05bd173d85d33015ed3796357a7b19/95022008802.pdfIn PDF document text
- http://ajtoablakcentrum.com/_user/file/52872449137.pdfIn PDF document text
- https://newat.ru/wp-content/plugins/super-forms/uploads/php/files/a1393dcc3b9b43a0392575658c58fa24/48945275729.pdfIn PDF document text
- http://kingspec.su/wp-content/plugins/super-forms/uploads/php/files/b40t98qsh0ucseiinu6j3f9eqi/laputokivopexajegegeleri.pdfIn PDF document text
- https://www.clubmanizales.com.co/wp-content/plugins/formcraft/file-upload/server/content/files/16072ce3836159---62306850359.pdfIn PDF document text
- https://www.ediliziaindustriale.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607696eec6456---zutabexusadiwobowododiva.pdfIn PDF document text
- https://laxmigrouppune.com/wp-content/plugins/super-forms/uploads/php/files/417351c2a8f54657bc83a83107cb9f5e/68275902507.pdfIn PDF document text
- https://amenagementsoleil.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609118d1a5cad---jozunaduruzadafawokuwe.pdfIn PDF document text
- https://jnfarley.com/wp-content/plugins/super-forms/uploads/php/files/4f7lf2k0vb8p57qtvc5vflasj6/rakiwarizarunada.pdfIn PDF document text
- http://hoshitorionline.com/uploads/files/liwuxokurasibawulitokov.pdfIn PDF document text
- http://analogsys.com/uploaded/file/1683843812608c5381d6dc2.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ec31.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC31 | 4824 bytes |
SHA-256: 7c061f702de8bb41785aa954b6e87fd4914be9630bf046ed47e00a5a43c59736 |
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font_01_sfnt_off0000fc9e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC9E | 11164 bytes |
SHA-256: 3bda4cd55e4511b85b6353795779961b744c224fe35851940c8e0e41a043313a |
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font_02_sfnt_off00012275.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12275 | 4324 bytes |
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e |
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