MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. The document contains numerous links, many pointing to compromised WordPress sites and disposable hosting, suggesting a link farm designed to redirect users to malicious content. While no scripts were explicitly extracted, the nature of the links and the overall detection strongly indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9874
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://krisoc.ru/uplcv?utm_term=ur+of+the+chaldeans+today
- https://webgirls-studio.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b2d7ee2e45f---64378653990.pdf
- http://pusancard.com/userData/board/file/54008515940.pdf
- http://akinmedikal.com/uploads/file/sigixadoxavugifuser.pdf
- https://wildarium.com/ckfinder/userfiles/files/morubagaluxudu.pdf
- http://www.zopfitravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081cda9695ad---sikujonixulunupokawedop.pdf
- https://connect.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/2e4c6ebb45d65551783f853bc8cec524/wukolonijifiwep.pdf
- https://oknoplus-omsk.ru/wp-content/plugins/super-forms/uploads/php/files/8fceaf71471e11f67ac630ccd32722ee/safud.pdf
- http://dossalas.com/wp-content/plugins/super-forms/uploads/php/files/68e8da199b1423bed9adcbb7e72efbfe/pamiw.pdf
- https://alakharia.com/public_html/userfiles/file/77978213347.pdf
- https://evocative.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1609cf956b4982---jajatupega.pdf
- http://villa-carlshorst.de/sites/default/files/file/18466244548.pdf
- https://agentcctv.com/userfiles/file/nomimifosevixubux.pdf
- http://anaminfo.com/attachfile/file/1079713287.pdf
- http://tpdw.pl/userfiles/file/95660610591.pdf
- http://chiesamadremarsala.eu/userfiles/files/ladevejudupix.pdf
- http://brighterhealthcare.co.uk/wp-content/plugins/super-forms/uploads/php/files/69vhu092pjr62q83k690lcm4ac/35921246134.pdf
- https://ipcare.nl/wp-content/plugins/super-forms/uploads/php/files/k0qltkmpvm7nnuckjb6nehiicv/jonikuzufupijiz.pdf
- http://gld-lining.com/user_img/files/32305828303.pdf
- https://www.toptalentusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d87653c4e8---57219892590.pdf
- http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/1607d3dc12407f---rojefibebuf.pdf
- https://outsourcedbackoffice.co.uk/wp-content/plugins/super-forms/uploads/php/files/7cab5a530a66dc956217ed8e03237f4f/difogufew.pdf
- http://bahtiyardishekimi.com/fckfiles/file/vaxunasekujixopafam.pdf
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607ae93c05073---5326558193.pdf
- https://esprimagroup.com/userfiles/file/vonatuvokokexekavuxewu.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000117f8.binf2990ac7a4be8bb279b751144e0b6379ef7e248a100387d57d4314440f594107 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x117F8 | 19748 bytes |
font_01_sfnt_off00014a00.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14A00 | 16792 bytes |
font_02_sfnt_off00016217.bin27391e165ab6786e5fc0bf37ed6f439c5b3f744dcd9206d753457e678dc489e9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16217 | 10604 bytes |
font_03_sfnt_off00017a4c.bind1aab35a99957a5ee4d75ebe56c5b40b4e023cb10369d4507bdce1f8a9438e45 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17A4C | 17040 bytes |
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