MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links, many pointing to compromised WordPress sites, suggesting it functions as a link farm. The presence of external URIs and link farm heuristics indicates an attempt to redirect users to potentially harmful content or for SEO manipulation.
Machine Learning
- Nyx PDF Classifier malicious score 0.9849
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://reclaimsplus.com/wp-content/plugins/super-forms/uploads/php/files/3abf21924e7e86729280a4614408e79e/65627265528.pdf In PDF document text
- http://makaeximworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609178405c54f---jojitijowojuji.pdfIn PDF document text
- http://namthangbasaltstone.com/uploads/image/files/jakemotiwutotena.pdfIn PDF document text
- https://audreyheselmans.com/_files/file/59518383099.pdfIn PDF document text
- https://www.alongsideasia.com/wp-content/plugins/super-forms/uploads/php/files/abb8466912472b604d061a3119ce9426/sixafokabag.pdfIn PDF document text
- https://torrentclub.vip/wp-content/plugins/super-forms/uploads/php/files/0v7onnmb6frls2tc43n8ccmcfa/puvufusogo.pdfIn PDF document text
- http://jshtextile.com/UserFiles/file///76327068720.pdfIn PDF document text
- http://phillipwhiting.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c2d65d70c74---laginalifikejaviwifa.pdfIn PDF document text
- http://status-go.net/gfx/userfiles/files/82806977532.pdfIn PDF document text
- https://haysalon.com/public_html/userfiles/file/ruritu.pdfIn PDF document text
- http://la-roofers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160760a60ae66b---71350759449.pdfIn PDF document text
- http://tillmanfamilyreunion.com/clients/b/b7/b7385abc5988d1ee605fea7695e3d00e/File/dejakanup.pdfIn PDF document text
- https://saraelv.no/wp-content/plugins/formcraft/file-upload/server/content/files/160bc0c3394381---83043661814.pdfIn PDF document text
- https://advik.net/userfiles/file/42037191049.pdfIn PDF document text
- http://vipavtoufa.ru/wp-content/plugins/super-forms/uploads/php/files/a7197959de6ecfea6f647cdd90c3c8fc/63384532898.pdfIn PDF document text
- https://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607ee6d12bd17---96183680710.pdfIn PDF document text
- http://www.akutrans.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607eb24e45601---nuxusa.pdfIn PDF document text
- https://nam.it/wp-content/plugins/formcraft/file-upload/server/content/files/160900e4c5c106---gakodiwepatizi.pdfIn PDF document text
- http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608670da1bed1---sawisitafajelasitixuneved.pdfIn PDF document text
- https://mtmnetwork.net/uploadEditor/files/95423531574.pdfIn PDF document text
- https://ienter.bg/files/59599182199.pdfIn PDF document text
- https://www.mobytec.com.br/mobytec/wp-content/plugins/formcraft/file-upload/server/content/files/160832e2aa8748---69151660527.pdfIn PDF document text
- http://pomodorolennep.de/gfx/userfiles/files/bimogajo.pdfIn PDF document text
- https://www.deuba.info/wp-content/plugins/super-forms/uploads/php/files/m8smttc4j88b9dh9nju8sbg28h/30446235939.pdfIn PDF document text
- http://retroldn.com/userfiles/file/fularupexesefino.pdfIn PDF document text
- http://ilturismoinitalia.it/userfiles/files/dunakebiruze.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=how+to+convert+docx+file+into+pdfPDF 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_off0000bbaa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBBAA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d3c1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD3C1 | 10528 bytes |
SHA-256: 9b3ed67208f4f9d730a2de80da965d784b6571ad6f62ad8e2e794efd83956a71 |
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font_02_sfnt_off0000ebd1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBD1 | 16144 bytes |
SHA-256: ece664a4dc4024d5b7654ca309f90dcd30580a9053831d3782988d1c61d5d58b |
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