MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links to compromised WordPress sites and disposable hosting, suggesting a phishing or malware distribution campaign. The PDF structure itself appears to be a link farm, designed to redirect users to potentially harmful external resources.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
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 https://catamma.ru/uplcv?utm_term=neptune+light+years+from+earth PDF link annotation
- https://extremetour74.ru/wp-content/plugins/super-forms/uploads/php/files/5615675863ff5ce9128637c4b897733a/ruwaxuwaz.pdfIn PDF document text
- https://goldenapp.net/file/nosopisamuvawifivux.pdfIn PDF document text
- https://thewentworthco.com/wp-content/plugins/super-forms/uploads/php/files/3d1mflh4euj8r8oh44m0v0v370/66749641951.pdfIn PDF document text
- https://suma.ca/upload/editor/file/3953315917.pdfIn PDF document text
- https://a2designbg.com/userfiles/file/vagofazirogoxolo.pdfIn PDF document text
- https://adm.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/88a636e41106631fa3051c8e730753a8/68050728866.pdfIn PDF document text
- http://montaze.org/democms/userfiles/file/sisabejemetegakape.pdfIn PDF document text
- https://www.andimoda.com/wp-content/plugins/super-forms/uploads/php/files/4419bf33eb5b9eea7b82d27453de360e/bamiximiwafuxafaje.pdfIn PDF document text
- http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/242c028dea6b8842863674c25e063fd3/35440383551.pdfIn PDF document text
- https://www.bistro-e.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f5d1a1eac5---55281092021.pdfIn PDF document text
- https://www.sgestrecho.es/wp-content/plugins/formcraft/file-upload/server/content/files/16087181e165dd---35040262091.pdfIn PDF document text
- http://a-range.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1609625fc38cd4---xunotagobuk.pdfIn PDF document text
- https://desertflying.club/wp-content/plugins/formcraft/file-upload/server/content/files/1608f5735bd4ef---pevesegibonowi.pdfIn PDF document text
- http://mobilephleb.com/clients/2/2d/2d2188d13063160162e6e2bbcdac547d/File/21091156884.pdfIn PDF document text
- http://hargrovefamilyreunions.com/clients/16272/File/gamivofulanejonuvesi.pdfIn PDF document text
- http://axwelindia.com/uploads/bobudagegir.pdfIn PDF document text
- https://frontiersneurophotonics.org/wp-content/plugins/formcraft/file-upload/server/content/files/1/16086b8aea425b---26556439941.pdfIn PDF document text
- https://pluckywize.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6e71f8fe93---2837777817.pdfIn PDF document text
- https://menlopark.com/wysiwygfiles/file/83690847703.pdfIn PDF document text
- https://thepetrichortouch.com/wp-content/plugins/super-forms/uploads/php/files/dt5efe78cmbq0d6jtnks9sbre7/9584683621.pdfIn PDF document text
- https://maydongy.com/wp-content/plugins/super-forms/uploads/php/files/suusb5ndcuaop67bvc7d23ogt3/12408692905.pdfIn PDF document text
- http://skiflogistics.ru/userfiles/file/50306836198.pdfIn PDF document text
- https://medprobr.com.br/wp-content/plugins/super-forms/uploads/php/files/c43550a79f9a11b710ab238a95b479f7/guraruz.pdfIn PDF document text
- https://xn----9sbccjdbca7cyaieg1a3j.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/1e46780544780d30c75c893179b45852/62115397232.pdfIn PDF document text
- https://www.kalirich.com/wp-content/plugins/super-forms/uploads/php/files/gspkr7sgt2travmng4rnrm9mk0/92738039859.pdfIn PDF document text
- http://lovewhereyoulv.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/28091dc9dbd00fb4540327c562703417/96759021009.pdfIn PDF document text
- 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_off00017056.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17056 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00018868.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18868 | 16940 bytes |
SHA-256: f2bb1b7b4ae6f79dde1bfb91113f48ed5f3fedc68e281273327e5cc04488b3dc |
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font_02_sfnt_off0001b44b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1B44B | 10996 bytes |
SHA-256: 66c9c52f4df1bcf5856bbfb50fa82b929eb3ec0de54e668e2d88baa272acb2d7 |
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