MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple heuristics as malicious, including a high-confidence ML classifier and ClamAV detection. It contains a link farm pointing to compromised WordPress upload storage, suggesting an attempt to host malicious content. The document body, though heavily obfuscated, appears to be a lure related to 'Microsoft borders and frames free'. The presence of embedded URLs and the nature of the heuristics strongly indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://pfgmm.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608ccf69f40aa---soxonujufamozibanaw.pdf In PDF document text
- https://admonks.ru/wp-content/plugins/super-forms/uploads/php/files/da894e46fbe85dcadeed4e7f6cdbe692/vobipawagofikakonimif.pdfIn PDF document text
- http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607892791ba95---pogesawig.pdfIn PDF document text
- https://portsidestrategies.com/wp-content/plugins/super-forms/uploads/php/files/06701c5a63e6d5646d1edf6fcf912a8b/43760966856.pdfIn PDF document text
- https://drainscovers.com/wp-content/plugins/super-forms/uploads/php/files/d61286a8c8dc02188d380f66940777a5/15910158788.pdfIn PDF document text
- https://carpanea.it/wp-content/plugins/super-forms/uploads/php/files/6bbde267f567a777b8f34c5b61e102d3/rirunamutujudokev.pdfIn PDF document text
- https://www.lightingsolutionsinc.net/wp-content/plugins/super-forms/uploads/php/files/79790b449528bcbb1fb801af467129ab/mamifiwogitexowonitizajuz.pdfIn PDF document text
- http://lawcab.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1606f48b06b0a8---guzegezefiwulavugovoduga.pdfIn PDF document text
- https://africanresearchcenter.com/userfiles/file/49278767598.pdfIn PDF document text
- http://czdashan.cn/uploadfile/file/2021050207503273499.pdfIn PDF document text
- http://www.nationaalgolfcongres.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607192995431c---32028489684.pdfIn PDF document text
- http://middlegeorgiacoinclub.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607033eeb9c99---94220945219.pdfIn PDF document text
- http://kraljicabih.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f8fce17d9d---90280334090.pdfIn PDF document text
- https://genesislighting.net/wp-content/plugins/super-forms/uploads/php/files/b377f000c67f1d3be8def7d93e7d2376/gavedonujoveromeri.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=microsoft+borders+and+frames+freePDF 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://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_off0000d863.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD863 | 5280 bytes |
SHA-256: 670b7b98a13af8b1b0c06d391b79880d9e925f54723996441d1ca865a60d7545 |
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font_01_sfnt_off0000ea4d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA4D | 10436 bytes |
SHA-256: 3f51d4065873204b098ef523ed77c2411014cbe75590de1b97a29a39b3d2f653 |
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