MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The file contains a link farm pointing to multiple compromised WordPress sites, which likely serve as a distribution point for further malicious content. The presence of PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics further supports this attack pattern. No scripts were extracted, but the overall structure suggests a phishing or malware distribution lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/160b2fbc847925---vexisisetupas.pdf
- http://progettarecasa.com/userfiles/files/sirawewewa.pdf
- http://vodnik48.ru/content/file/59658077738.pdf
- http://mav-auto.ru/images/file/pofipukikoluxesofekete.pdf
- https://hotelritariccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/1608551fc8c6b6---46297835939.pdf
- https://efsanepin.com/calisma2/files/uploads/wilevodowodetoj.pdf
- https://haps.company/wp-content/plugins/super-forms/uploads/php/files/hh03m3q5tjjtcqcc8cgacko3g1/10557802438.pdf
- https://www.horisunmauritius.com/wp-content/plugins/super-forms/uploads/php/files/c099054bc9aa57f64dfafee84a8d6888/xafeda.pdf
- http://robertoantoniz.com/resources/original/file/sodoruwosikut.pdf
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606d8d1ee2115---piruzabofu.pdf
- https://aslimitada.com/userfiles/file/95991097711.pdf
- http://akcjonariusz.com/UserFiles/file/redivegunapirowibujuk.pdf
- https://yarsan.ru/wp-content/plugins/super-forms/uploads/php/files/e883aeae8eabb986e5bb884d79975e95/jusalez.pdf
- http://www.goldenlantern.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16094638c1ce0c---25678488629.pdf
- http://kingalbertltd.com/uploadedfiles/file/zosakotetamarogezulipakej.pdf
- http://sp3siemianowice.pl/userFiles/files/funota.pdf
- http://www.realisthotel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d83c7e1fa7---debajar.pdf
- https://chamsocmuihong.com/wp-content/plugins/super-forms/uploads/php/files/s8asf0k08377bscmsnhvfuih97/papatatewomiv.pdf
- https://vernadoc.com/wp-content/plugins/super-forms/uploads/php/files/3a2808a3af039a938cf26a9096becd9f/vosoviwola.pdf
- https://hoovermaids.com/wp-content/plugins/super-forms/uploads/php/files/d0e57f84695ad313f6d1672a840b36b0/laxiv.pdf
- https://aedwea.com/upload/foto/soburutifadif.pdf
- http://kuzfarm.ru/images/file/bomafepexisajuxukobenesi.pdf
- https://hamzsabegi60szallo.hu/UserFiles/File/18808947437.pdf
- http://www.eflox.net/wp-content/plugins/formcraft/file-upload/server/content/files/160ad6e65bd1da---90151063449.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=i+will+never+eat+a+tomato
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fb47.binc0caec43d5fa5eea543d37e2fa12a59f95b98f8d3d0c63760786b71beec7f5d9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB47 | 10204 bytes |
font_01_sfnt_off0001121e.binea95be819d990cd13c8b14af07d8924f3e1d9dbf7e6bafe3e9adeb0c8e4b5d79 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1121E | 17788 bytes |
font_02_sfnt_off00014026.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14026 | 16792 bytes |
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