MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains a link farm pointing to multiple compromised websites, suggesting an attempt to distribute further malicious content. The document body is heavily obfuscated and contains metadata indicating it was generated by wkhtmltopdf, a tool often used to create PDFs from web content, further supporting the lure-based attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 7
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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://fincasotilloviejo.es/files/sotillo/_repo/file/dagaxuvexalazuparofiza.pdf In PDF document text
- http://bjzjygj.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/10074466675.pdfIn PDF document text
- https://www.arc-welding.co.uk/wp-content/plugins/super-forms/uploads/php/files/kj0f35skp6n55sda4drui6m0lv/novalofulunadawujed.pdfIn PDF document text
- http://sobinco.cz/ckfinder/userfiles/files/3651328137.pdfIn PDF document text
- https://alice-immo.com/userfiles/file/93857907384.pdfIn PDF document text
- https://bursaceviritercume.com/wp-content/plugins/formcraft/file-upload/server/content/files/160945d9d2dcd8---xomibekamakisu.pdfIn PDF document text
- https://loan-financial.com/wp-content/plugins/super-forms/uploads/php/files/ab990604ccdfa38e22b1f88bc2ad8b18/42642497683.pdfIn PDF document text
- http://goref.ru/files/file/movasu.pdfIn PDF document text
- https://husvagnsexpo.se/wp-content/plugins/formcraft/file-upload/server/content/files/160841a9d4827c---11929659922.pdfIn PDF document text
- https://www.grandiosa.is/wp-content/plugins/super-forms/uploads/php/files/tgid5e30ttmtobn4nsjcuo6497/21220609006.pdfIn PDF document text
- http://churchliferesources.org/wp-content/plugins/formcraft/file-upload/server/content/files/160822d21e7352---tafik.pdfIn PDF document text
- https://gbeequestriansurfaces.com/wp-content/plugins/super-forms/uploads/php/files/noeq1pu1ebl6kk27hme6bg1g4l/raxos.pdfIn PDF document text
- https://samarpanbharat.org/trila/userfiles/file/kixadulimulivanowif.pdfIn PDF document text
- http://abwgulfport.com/uploads/files/gewitixotafijanonitezer.pdfIn PDF document text
- https://skyfireconsulting.com/wp-content/plugins/super-forms/uploads/php/files/hcqrm6euemkfvs287prspg7e70/gawuw.pdfIn PDF document text
- http://oreade-breche.fr/userfiles/file/kuseferojelizukilopiz.pdfIn PDF document text
- http://clinicacomciencia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c2601b2446e---51424552707.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/~3/1KS0DP0cxss/uplcv?utm_term=amc+alarm+manualPDF 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_off0000b5b3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB5B3 | 4756 bytes |
SHA-256: 7c901bd00c6cccc95b70c938074fa8d418e71b4a830195da1b99bcf6bfd2532a |
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font_01_sfnt_off0000c5c4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC5C4 | 9672 bytes |
SHA-256: 6d2cfe43e6de741bf4da4d2a78877207258517aaf054e1004816beceabe82824 |
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