MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as a malicious PDF by ClamAV and an ML classifier. It contains numerous embedded URLs, many of which point to domains associated with compromised CMS uploads or disposable hosting, suggesting a link farm designed to redirect users. The presence of these links and the overall structure indicate a phishing or credential harvesting attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9905
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://fqcycpa.com/jingkelun/userfiles/files/20210911163831.pdf In PDF document text
- https://claudiodituri.it/uploads/xosagotivozuverozipisiviw.pdfIn PDF document text
- http://agmapure.com/upload/files/wewena.pdfIn PDF document text
- http://youil.org/userData/board/file/4349339266.pdfIn PDF document text
- http://zzzwchem.com/upload/files/veborepef.pdfIn PDF document text
- http://zsdbiopharm.com/upload/files/37790275122.pdfIn PDF document text
- https://premiumvipbusiness.com/wp-content/plugins/super-forms/uploads/php/files/b747c1f6049258ded6e261fc196d76aa/14684828885.pdfIn PDF document text
- http://cegled.varosom.hu/userfiles/files/nusoduwemiwa.pdfIn PDF document text
- https://locktactyuma.com/userfiles/file/fovakiboburegoweti.pdfIn PDF document text
- http://valsadindustries.com/userfiles/file/69960185657.pdfIn PDF document text
- https://foodsafebox.com/ckfinder/userfiles/files/1019436979.pdfIn PDF document text
- https://churchosonline.com/wp-content/plugins/super-forms/uploads/php/files/f51414747a2dd177c17e288d4f8c5d4d/semelewuvenesemilovaju.pdfIn PDF document text
- http://lngpetro.com/userfiles/file/sesonobijokimigiwida.pdfIn PDF document text
- http://futureinfashion.com/ckfinder/userfiles/files/fonojixup.pdfIn PDF document text
- https://aicpwdosaeast.com/ckfinder/userfiles/files/feragijulusidajaju.pdfIn PDF document text
- http://yanartekstil.com/firma/files/5400332308.pdfIn PDF document text
- http://ayrh.internet-match.com/upload/files/nititojuxokis.pdfIn PDF document text
- http://cayxaotamphan.net/userfiles/image/file/52507620021.pdfIn PDF document text
- https://revive.fashion/upload/files/65823396816.pdfIn PDF document text
- https://landbondcorten.com/attachment/file/5165dd0c0b23ae61777c234689aad6d3.pdfIn PDF document text
- http://hoadon-dientu.net/images/files/devaz.pdfIn PDF document text
- http://sin-hua.org/userfiles/sisazuguboxeditolaziga.pdfIn PDF document text
- http://mavelikaradiocese.org/rapha/ckfinder/userfiles/files/27063990946.pdfIn PDF document text
- http://kino-cosmik.ru/sadm_files/21966430500.pdfIn PDF document text
- https://www.lamuccacompany.com/wp-content/plugins/super-forms/uploads/php/files/5071f6e53fc0052518472239f2a14fb8/26070888721.pdfIn PDF document text
- http://wadsoda.com/UserFiles/File/59918906837.pdfIn PDF document text
- https://clinicaabrahaoosta.com.br/ckfinder/userfiles/files/mebef.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=ergonomics+and+product+designPDF 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_off0000eb58.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB58 | 16072 bytes |
SHA-256: eb5150f77c9301bc91a96d3f054fe7cdc7b84c964364ff06182b2c949a155cff |
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font_01_sfnt_off000114ca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x114CA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012ce1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12CE1 | 10892 bytes |
SHA-256: a815346b6ad3e1b6bc53c27270d1d14c332d7986ac5855078eec6ab25b934a24 |
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