MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous embedded URLs pointing to compromised WordPress uploads and disposable domains, indicating a link farm designed to redirect users to malicious sites. The ML classifier and ClamAV detection strongly suggest a phishing or malware distribution intent. No scripts were extracted, but the structure and URL patterns are indicative of a malicious document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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 https://chcial.ru/uplcv?utm_term=made+it+through+the+struggle+freestyle
- https://accuratesearch.com/userfiles/file/tafezemigi.pdf
- https://clumba-indoor.ru/files/files/vunam.pdf
- https://emergent-partners.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609edb859b592---16789478709.pdf
- https://masterok-kovka.ru/wp-content/plugins/super-forms/uploads/php/files/a13e6f6207bc0c0cf26671646eb15d4e/nawabowod.pdf
- http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/57nh5rn2bbe9lubg4veklts92i/85785430752.pdf
- https://www.ltgpartners.com/wp-content/plugins/super-forms/uploads/php/files/d3c26354d886cc43fa9cae7abacf3931/38443297137.pdf
- http://grandinhr.eu/images/user/file/34893687619.pdf
- https://medicinasolidale.org/wp-content/plugins/super-forms/uploads/php/files/61706fe32f95b03fcd1c5df1f048c6cd/zeboxemixulabiwumodexe.pdf
- https://unicornproduction.gr/wp-content/plugins/super-forms/uploads/php/files/49150a3f3e94b68e3976deff2f0e3bd9/70354826976.pdf
- http://www.nbrownies.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160805ac91d981---jemuvemowowalewopemumozer.pdf
- https://muguet.fr/sites/default/files/file/89829060171.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607dace8a5af9---40973957903.pdf
- https://roeveragri.ac.in/wp-content/plugins/super-forms/uploads/php/files/a3810793a9ab0e8ed70c105b1cc9afc0/vegamukojavurikir.pdf
- https://clumba-indoor.ru/files/files/81250638964.pdf
- http://pavcargo.ru/wp-content/plugins/super-forms/uploads/php/files/6b9e45d72820726ad0615daa385fb18e/sufikobujezabe.pdf
- http://donateagift.eu/userfiles/file/xurakujamazopisine.pdf
- https://ecoinkworld.com/wp-content/plugins/super-forms/uploads/php/files/bfc5fad463651ce9b2c24f44ab7ebbed/14008653493.pdf
- https://www.medipratik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b3ac10e6187---xujexerux.pdf
- http://afghansolar.com/userfiles/file/banidile.pdf
- https://fobiy.net/wp-content/plugins/super-forms/uploads/php/files/76aba6f34293a9ed5c43b34e78f4362a/xejujub.pdf
- http://www.movingintofreedom.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b62cd8c212---godemelo.pdf
- https://arizonapoolcontractor.com/wp-content/plugins/formcraft/file-upload/server/content/files/160906653d7182---fusugasid.pdf
- http://pansophers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f453ba85f9---vowomigubakubabemoruzaj.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010103.bind8d539a64d3f53c98020b9bb7df64781a1806ceca7fe87654f4fe6b71bb240e2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10103 | 18288 bytes |
font_01_sfnt_off0001303f.bin6583460349ed457c69050a0df5210d52ee4c878d002c3036fa0d0f386edf2a41 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1303F | 10736 bytes |
font_02_sfnt_off000148da.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x148DA | 16792 bytes |
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