MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The file is identified as malicious by ClamAV and an ML classifier, with heuristics indicating it functions as a link farm on compromised or disposable hosting. The embedded URLs, such as http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608846775e842---vasimilu.pdf, likely serve as lures to phishing sites or malware downloads. No scripts were extracted, but the PDF structure and URL patterns suggest a phishing or malware distribution campaign.
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 http://birkhoffhi.com/userfiles/files/giledogavaniza.pdf In PDF document text
- http://www.timtransportes.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/16094b27a159d7---wolubasipepoxiwaz.pdfIn PDF document text
- https://advancedbusiness.co/wp-content/plugins/super-forms/uploads/php/files/6259d7ab2d4a8e237b8ecb5288b795b7/nedomowodakimigugele.pdfIn PDF document text
- http://www.assignproject.com/wp-content/plugins/formcraft/file-upload/server/content/files/160813ab9422b3---joxafezonekunewegulamif.pdfIn PDF document text
- http://www.canadavisaservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c607f98584---2150709825.pdfIn PDF document text
- https://nobleanimalsanctuary.org/wp-content/plugins/super-forms/uploads/php/files/tmp/20301788368.pdfIn PDF document text
- http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608846775e842---vasimilu.pdfIn PDF document text
- https://ukmalayalamnews.com/userfiles/file/sojemumo.pdfIn PDF document text
- https://paloaltospeakerseries.com/wp-content/plugins/super-forms/uploads/php/files/f0b1ecd83ca010703d0d70c8ed23501a/wipimesu.pdfIn PDF document text
- http://dirabrealtors.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b9a587ea6d1---kidowusepuwuzabipigesar.pdfIn PDF document text
- https://bdaudit.ro/userfiles/file/denalutokibewonemigur.pdfIn PDF document text
- https://adm.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/a7e0dc0714dc5962a08e7646f9e07348/71970046707.pdfIn PDF document text
- https://swimproject.eu/wp-content/plugins/super-forms/uploads/php/files/848b613a9c065173733971eda522e66c/fovezatopexejulagipare.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/zMnd8XtcwSM/uplcv?utm_term=aswath+damodaran+books+pdfPDF link annotation
- https://bxthirteen.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/13086e7bd1ba44abe3087bbdca6dac68/pixedewubagixibomok.pdfIn 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_off0000e606.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE606 | 5532 bytes |
SHA-256: f52218432028766f8357f9d2ae8edf1bb1748ae274bee76a5e681a359c58c4be |
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font_01_sfnt_off0000f8b6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8B6 | 11044 bytes |
SHA-256: 902e5de4067e55fd305c923854c823a9c6b508bd13477c0b278def3a31e6b14b |
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