MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF was identified as malicious by ClamAV and an ML classifier. It functions as a link farm, containing numerous embedded URLs that point to compromised WordPress sites. These sites host further PDF documents, suggesting a multi-stage attack designed to lead users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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://brunoamaranti.it/wp-content/plugins/super-forms/uploads/php/files/jccmoo4dte6at7afinia85ipq1/tilobuwivelorofade.pdf In PDF document text
- https://proff-doors.ru/wp-content/plugins/super-forms/uploads/php/files/76a555cf0d0382dc6ef711f28cf6d58a/93536078280.pdfIn PDF document text
- https://jollytime.ru/wp-content/plugins/super-forms/uploads/php/files/28584b3a50b987c729353d5886bdfc62/86603195849.pdfIn PDF document text
- https://westcoastmovers.ca/wp-content/plugins/super-forms/uploads/php/files/5jtnnsadcgkscps04hg5hlrncn/27970829415.pdfIn PDF document text
- https://givemeit.ru/wp-content/plugins/super-forms/uploads/php/files/7c60e859195c305e8b2c0bba9270d332/71354029220.pdfIn PDF document text
- http://vladjurnalist.ru/archive/file/1343282650.pdfIn PDF document text
- http://www.misshandicap.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160829c48e4c9c---ruruvojowaradukixebagaf.pdfIn PDF document text
- https://velvetskin.pl/wp-content/plugins/super-forms/uploads/php/files/621d2f07c668f73be4b26e924f827776/4982878820.pdfIn PDF document text
- http://lideparts.com/userfiles/file/1624133480.pdfIn PDF document text
- http://boxethai38.com/upload/file/36242164013.pdfIn PDF document text
- http://aarogyamedico.com/userfiles/file/20676622316.pdfIn PDF document text
- https://aedwea.com/upload/foto/31247176147.pdfIn PDF document text
- http://ledspectrumthai.com/ckfinder/userfiles/files/xutejimimaf.pdfIn PDF document text
- http://www.communityheroesproject.org/wp-content/plugins/formcraft/file-upload/server/content/files/16072bbd24946b---rosoguv.pdfIn PDF document text
- https://kodeac.com/wp-content/plugins/super-forms/uploads/php/files/kdo31bn0m3a1dl16m95dvmu1n8/32330465034.pdfIn PDF document text
- https://www.lorenzofranzone.it/wp-content/plugins/super-forms/uploads/php/files/1a11af991f707b6315671374ae488435/tanudijufo.pdfIn PDF document text
- https://xn--78-6kce7dfhb9dwb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/a40e392053d11dd555b9d7e52090b4e6/90286578776.pdfIn PDF document text
- https://lemanssrl.it/file/99736981219.pdfIn PDF document text
- https://eclipsetheaters.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086e01bcdf45---meropamimafesemiwa.pdfIn PDF document text
- http://veivel.com/userfiles/file/85620387788.pdfIn PDF document text
- http://copingconversations.com/userfiles/file/82491985304.pdfIn PDF document text
- http://ganan10.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/1609210765e126---vexuve.pdfIn PDF document text
- https://www.aserspa.net/wp-content/plugins/super-forms/uploads/php/files/im2c7dcrs8qiq4tn4qdcotgdsf/jazazenal.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=8+year+old+boy+pees+at+nightPDF 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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f747.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF747 | 16992 bytes |
SHA-256: 7f06b0b7c7c09282dd2064766ef5653ef968aac26f6d6aac13179dacf44676d8 |
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font_01_sfnt_off000123b2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x123B2 | 11036 bytes |
SHA-256: 08d07c9232a5c86b2b3ea71e166d671222ab77ef7047bbfc1cef0b6fb03ba9a6 |
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font_02_sfnt_off00013cdc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13CDC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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