MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. It contains numerous links to external websites, many hosted on compromised WordPress installations or disposable domains, suggesting a link farm designed to redirect users to malicious content. No scripts were extracted, but the overall structure and heuristic firings point towards a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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://www.korayozelguvenlik.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e01aaa9001---7516148818.pdf In PDF document text
- https://kantankacreative.com/wp-content/plugins/super-forms/uploads/php/files/668fb58893326314ba51767536db4647/91108243705.pdfIn PDF document text
- http://stacjaregeneracja.pl/userfiles/file/17113144629.pdfIn PDF document text
- http://mysistermyfriendministries.org/clients/85776/File/20444831714.pdfIn PDF document text
- https://robinio.de/wp-content/plugins/super-forms/uploads/php/files/mduuhcqfdsci1ljkksp16fpflt/16485239124.pdfIn PDF document text
- http://tourister.kr/userfiles/file/xewozorotoluroxok.pdfIn PDF document text
- https://advancedcheckcashadvance.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074798103e91---zuwuputad.pdfIn PDF document text
- https://robertmatzuzi-massagetherapist.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16094751decb5e---jekepimixavasudefavi.pdfIn PDF document text
- http://aktifimmo.lu/userfiles/files/93635138089.pdfIn PDF document text
- https://pendekaremas.com/contents//files/xogogibamu.pdfIn PDF document text
- http://hesexpo.com/img/editor/image/file/pekupazemuviwododoludalem.pdfIn PDF document text
- http://maxitelt.no/wp-content/plugins/formcraft/file-upload/server/content/files/16072047c61890---28106805377.pdfIn PDF document text
- http://www.risingstars.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16079078635e6e---28739377709.pdfIn PDF document text
- https://easybuildapp.com/files/uploaded/files/vafegetuveso.pdfIn PDF document text
- https://cbdc.co/uploads/ckfinder/userfiles/files/mevuzemepuselidemexaxe.pdfIn PDF document text
- https://rebates.forex/wp-content/plugins/super-forms/uploads/php/files/7acuff17jg4hgcc3mplkiolgr5/wadobaxe.pdfIn PDF document text
- http://iwish-cosmetics.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cfc88e8880---xitivitusagaporomu.pdfIn PDF document text
- https://xlspandoek.nl/userfiles/file/90206982241.pdfIn PDF document text
- http://nnk.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1606d3c87a7e34---kovulet.pdfIn PDF document text
- http://sewakendragroup.com/userfiles/file/mimixojodesuzilag.pdfIn PDF document text
- https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/9c38a0d4fc1eec434c4d1d9fff98fbb1/56597231169.pdfIn PDF document text
- http://www.platformliften.info/wp-content/plugins/formcraft/file-upload/server/content/files/160b320e151758---vokirop.pdfIn PDF document text
- https://haps.company/wp-content/plugins/super-forms/uploads/php/files/svkcs7v2s8oqudhr35js6klv70/19671726589.pdfIn PDF document text
- http://barudan.hk/UploadFile/file/20210604155917021.pdfIn PDF document text
- http://dangkyidol.com/wp-content/plugins/super-forms/uploads/php/files/6vvm30ne313q8g7jgqf542sfj4/kifenu.pdfIn PDF document text
- https://gulertrafik.com/wp-content/plugins/super-forms/uploads/php/files/54lnb8020810ljtleuruh6pjo9/wulupu.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=why+did+barnaby+leave+midsomer+murdersPDF 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_off00010148.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10148 | 18212 bytes |
SHA-256: 1d3c1047f4d15fbdb58630796be8b6b0b0337d77a94dcc0c591df1b832980656 |
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font_01_sfnt_off00013107.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13107 | 10828 bytes |
SHA-256: 3738cdd78bbff9156df70bd7507a80e4911e9468e5cf42e254fbf0dfacc3a50d |
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font_02_sfnt_off000149cb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x149CB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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