MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm pointing to compromised WordPress upload directories, suggesting a phishing or malware distribution lure. The embedded URLs, such as the one hosted on barrarioservicos.com.br, are likely used to redirect users to malicious sites.
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://www.synergyheart2heart.team/wp-content/plugins/super-forms/uploads/php/files/al6ilam1as8jbo2fi7nhgpgun7/laloduwilikat.pdf In PDF document text
- http://beijingxinzhi.com/userfiles/file/20210507095517_1230243740.pdfIn PDF document text
- https://globalazeri.az/wp-content/plugins/super-forms/uploads/php/files/5cl8e14e37t7fcmpkfbibgqh12/60905148838.pdfIn PDF document text
- http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160bad89aa8104---16434296031.pdfIn PDF document text
- http://structurecreative.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ecfd2dd69f---fezesitesatimevozonamotoj.pdfIn PDF document text
- https://hmjrgoldhockey.org/wp-content/plugins/super-forms/uploads/php/files/48f5d0e87493d8ee7ff82d75dfd71468/25666293447.pdfIn PDF document text
- https://n95america.com/wp-content/plugins/super-forms/uploads/php/files/1fbf94f3f6c1c17fcb703e359bdc4926/76190239163.pdfIn PDF document text
- http://syuncyoku.jp/upload/file/mitejuwowobomobu.pdfIn PDF document text
- https://flvirginia.com/wp-content/plugins/super-forms/uploads/php/files/9fe0c64eea8b42250e90216ae747e08d/92183368592.pdfIn PDF document text
- https://vieclamkinhdoanh247.com/upload/files/dowusopepagunajeka.pdfIn PDF document text
- https://www.paparazzirestaurant.com.au/wp-content/plugins/super-forms/uploads/php/files/471c9e0400ec797caf2ef366fca6ac39/1012733796.pdfIn PDF document text
- http://cesishotel.lv/res/wysiwyg/file/roxedulum.pdfIn PDF document text
- http://thepokewave.com/uploads/files/femev.pdfIn PDF document text
- https://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608a9f36c123e---tanukobenujeka.pdfIn PDF document text
- https://cvenhancer.com/wp-content/plugins/super-forms/uploads/php/files/27d863f4abc31b0f3409bff8e306df88/gazubiziro.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
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=vertical+jump+pdfPDF 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000db85.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB85 | 4832 bytes |
SHA-256: 45be7479f674b98fe33589e24c2ed0ba20aff221e916bda76013623863ddb21a |
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font_01_sfnt_off0000ebf6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBF6 | 9932 bytes |
SHA-256: 883efe98f0cb9d195e6e01ff4140ccf8246580310b3047ec8906eb5a42641035 |
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font_02_sfnt_off00010e03.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E03 | 4324 bytes |
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f |
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