MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, with multiple URLs pointing to compromised WordPress upload directories. These links likely serve as redirects to malicious or phishing sites, aligning with a spearphishing attachment attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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.investing-in-women.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d0f8447d6d---5666226638.pdf In PDF document text
- https://www.geosuiteonline.de/wp-content/plugins/formcraft/file-upload/server/content/files/1612fcb3927f74---65232501338.pdfIn PDF document text
- https://buzascsaba.hu/userFiles/file/92207805905.pdfIn PDF document text
- http://tangneylaw.com/admin/images/file/tudazererofuba.pdfIn PDF document text
- https://digitaldaya.com/imagenes/file/rowekabujemagafirat.pdfIn PDF document text
- http://newo.ru/files/files/kotugaguxazivuxuvugus.pdfIn PDF document text
- https://nbretail.com.vn/ckfinder/userfiles/files/93929580057.pdfIn PDF document text
- https://rintrans.com/files/71776001396.pdfIn PDF document text
- https://censcakmu.org/board/file/files/soliwojun.pdfIn PDF document text
- https://www.confirmedtour.com/files/nuzul.pdfIn PDF document text
- https://univerosg.com/ckfinder/userfiles/files/6060731498.pdfIn PDF document text
- http://bjerkelunden.org/content/files/userfiles/file///39768339151.pdfIn PDF document text
- http://gamax-moto.cz/data/dokumenty/15091087561.pdfIn PDF document text
- https://motiwalainstitutes.org/userfiles/file/91192708380.pdfIn PDF document text
- http://sherwoodchambergolf.org/ckfinder/userfiles/files/polevarekop.pdfIn PDF document text
- http://trustycctv.com/ckfinder/userfiles/files/55289106320.pdfIn PDF document text
- https://alsharqcc.com/userfiles/files/zubekeler.pdfIn PDF document text
- https://anukulagrotech.com/ci/userfiles/files/foboliwumetixutate.pdfIn PDF document text
- https://2b3la571ga-70p.com/contents/files/fakogevenobe.pdfIn PDF document text
- http://beachfirebrands.com/userfiles/file/kanadof.pdfIn PDF document text
- https://profipreklady.cz/www/ckfinder/userfiles/files/folanekegowadadebekexexe.pdfIn PDF document text
- https://www.helpagesl.org/wp-content/plugins/formcraft/file-upload/server/content/files/1615fa128e3e9f---zurejejixapanumulokopezom.pdfIn PDF document text
- http://feedproxy.google.com/~r/MbOu/~3/HKUGBsJGI0E/uplcv?utm_term=go+off+the+beaten+path+meaningPDF 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_off0001098f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1098F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000121a1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x121A1 | 21020 bytes |
SHA-256: 082ad9aafd2ac962f6215259b62fefa19e6ec86c06e981fcf9f927686f63c07c |
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font_02_sfnt_off000156e0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x156E0 | 10668 bytes |
SHA-256: f32f3f49cd9e42d5752bf8f24396cbeb2031c6ac3ee3e4c1d9e1671420fa80ef |
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