MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links pointing to websites that appear to be compromised CMS uploads, indicating a link farm designed to lead users to malicious content. ClamAV and ML classifiers flagged this PDF as malicious, specifically as a phishing trojan. The presence of multiple distinct hosts and the use of 'utm_term' parameters suggest an attempt to obscure the true destination and potentially evade detection.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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://bayzones.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/83166227802.pdf In PDF document text
- http://www.risingstars.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1609649e47c88f---povalafutusuregudobat.pdfIn PDF document text
- http://www.pattyn360.com/upload/forum/files/87623567613.pdfIn PDF document text
- http://fantasypartyentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072dc6be4dea---tefobopovubalebekusakam.pdfIn PDF document text
- https://microfocus-realize2020mea.com/wp-content/plugins/super-forms/uploads/php/files/c5359afc4da423626ba86d824984bd24/91227290108.pdfIn PDF document text
- http://smartpaintingplus.com/userfiles/files/topedadefuzokoz.pdfIn PDF document text
- https://arichaindia.com/userfiles/file/feviga.pdfIn PDF document text
- http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/a5pmnke7e2mvcvu6db0vamedo2/8675709624.pdfIn PDF document text
- https://socialacademy.gr/wp-content/plugins/super-forms/uploads/php/files/d6d6b9ac2a0a1351460cfee88ea4df6c/tojekisijukaratexizimu.pdfIn PDF document text
- https://www.endthestigmacounselling.com/wp-content/plugins/super-forms/uploads/php/files/s3qu3e7ltp9eka05gstqoudqrk/gavuzopamekeboligotiwoxiv.pdfIn PDF document text
- https://voicelux.ru/wp-content/plugins/super-forms/uploads/php/files/1df060c97d7ec9e6c7dc510be02e3b91/55690939978.pdfIn PDF document text
- http://mamam.by/upload/File/file/97706576457.pdfIn PDF document text
- http://ritadas.in/userfiles/file/7542920105.pdfIn PDF document text
- http://sistarelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/39163807245.pdfIn PDF document text
- https://diversifiedhumansolutions.com/wp-content/plugins/super-forms/uploads/php/files/d519d3d6cc98b4e82796ace9de16b103/puperipasugixetemevepesa.pdfIn PDF document text
- http://cerrutistudio.eu/userfiles/files/tisux.pdfIn PDF document text
- https://novahealthclinic.ca/userfiles/file/97554144477.pdfIn PDF document text
- https://bikinibody.be/wp-content/plugins/super-forms/uploads/php/files/i58763tqsbdstcvrdlgmidtpdb/41867361923.pdfIn PDF document text
- http://www.uppld.org/wp-content/plugins/formcraft/file-upload/server/content/files/16088ecdaef347---vusotika.pdfIn PDF document text
- https://www.kiakaha.gr/wp-content/plugins/super-forms/uploads/php/files/1oolqt652lmmr67qi4olajmvms/97971563839.pdfIn PDF document text
- https://empylean.com/wp-content/plugins/super-forms/uploads/php/files/fa86rk3kfqqgt48e68dqk6pgma/37573592485.pdfIn PDF document text
- http://tavernadelsnoguers.com/wp-content/plugins/super-forms/uploads/php/files/4cbeeb71b6a3615b6008c1ccbdbbfcb4/jogusorarifaremugobu.pdfIn PDF document text
- https://higher-reason.com/wp-content/plugins/super-forms/uploads/php/files/3subqab14tnpkagp243srvkkvf/13891100985.pdfIn PDF document text
- http://tfforming.ru/d/files/riwebiveno.pdfIn PDF document text
- http://foire-fromages-et-vins.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aade824f08a---jerusivuvotikagevegoxuvuf.pdfIn PDF document text
- http://www.awakohchang.com/image/upload/File/adixefidamog.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=do+iuds+cause+infertilityPDF 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_off0000f0e6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0E6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000108fd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108FD | 10684 bytes |
SHA-256: 9e6586a9e0eaf18562f467faad7d6a0cb8eff76b4041704feee44c53f08114c9 |
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font_02_sfnt_off000121a1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x121A1 | 17376 bytes |
SHA-256: c57c1d0b31124da37789ef5d226fe560a6cff54cb8e7b21973a2512c4b6653fd |
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