MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links, many pointing to compromised WordPress upload directories, suggesting it functions as a link farm to distribute further malicious content or phish users. Although no scripts were explicitly extracted, the PDF structure and link farm behavior are indicative of a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://sarahscupcakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6974ae2207---bejimovutigifuj.pdf In PDF document text
- https://udachi.co.th/wp-content/plugins/super-forms/uploads/php/files/mq0b3ov6fjk8ekkgvb9lqguj17/tekonud.pdfIn PDF document text
- https://www.bouwenaaneensterkwerkgeversmerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160d43533574cc---pomolevubasak.pdfIn PDF document text
- https://www.ltgpartners.com/wp-content/plugins/super-forms/uploads/php/files/997093f1d89e9d81b429efc65c5f3153/xewekakewulawobo.pdfIn PDF document text
- http://daoltrading.com/userData/board/file/12602816182.pdfIn PDF document text
- https://gz-topstar.com/wp-content/plugins/super-forms/uploads/php/files/60d5943314832c8c59efa1f138efcced/64257569579.pdfIn PDF document text
- https://betonwerkendejonge.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1608f4e0441409---77472325512.pdfIn PDF document text
- https://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b471444e98e---xoriba.pdfIn PDF document text
- http://narcisse.sk/editor_uploads/files/62883961067.pdfIn PDF document text
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087d9aeb689a---vedepeli.pdfIn PDF document text
- https://polinagerz.ru/wp-content/plugins/super-forms/uploads/php/files/7e05iqch1vdalufk68n77fmq2v/79529429846.pdfIn PDF document text
- http://xn--clinicaquirogavilario-vbc.com/wp-content/plugins/super-forms/uploads/php/files/ailqu9ta10pqnbejre99e9cgi7/95905538867.pdfIn PDF document text
- https://iqmuseum.mn/uploads/files/kosagetoduvowi.pdfIn PDF document text
- http://avondale61.com/clients/e/e2/e25739fb73bf6f2fbed92e75d980d6c5/File/75268689335.pdfIn PDF document text
- http://www.hcibatiment.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16076d782a9548---dafopesiwepur.pdfIn PDF document text
- http://tpdw.pl/userfiles/file/gitarix.pdfIn PDF document text
- https://abugfreemind.com/userfiles/file/10824354658.pdfIn PDF document text
- https://teplitsyoptom.ru/wp-content/plugins/super-forms/uploads/php/files/52088e3615f55cb047168a740092baba/jumaxusukafovufofedavem.pdfIn PDF document text
- https://www.lokalesichtbarkeit.de/wp-content/plugins/super-forms/uploads/php/files/n7amom4ipf2m0kku3vadtol2uk/jozujo.pdfIn PDF document text
- https://lsp.od.ua/wp-content/plugins/super-forms/uploads/php/files/leldfqndel14fdm02ugsj0sh33/63822120595.pdfIn PDF document text
- https://verlauf-ekb.ru/admin/ckfinder/userfiles/files/karupijeti.pdfIn PDF document text
- http://www.kzhep.in.ua/wp-content/plugins/super-forms/uploads/php/files/acjbccpi7ebm6812kp2loal4d7/57937573589.pdfIn PDF document text
- https://sport-jicin.cz/dokumenty/73540440104.pdfIn PDF document text
- http://szao-spb.ru/images/news/file/83028027095.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=semi+furnished+apartment+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_off000101ad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101AD | 19208 bytes |
SHA-256: 490ed455d6c011edcd5125ac6258bcfd87d02b9b3ec90577edc878efbfe263fa |
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font_01_sfnt_off000131c3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x131C3 | 10952 bytes |
SHA-256: 54f0c4f285e22509c8c5ef8bb57c6a3f0763456c8fa8b2571f45f2054d453e81 |
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font_02_sfnt_off00014abc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14ABC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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