MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://irlanc.ru/uplcv?utm_term=ittefaq+movie+download+telegram PDF link annotation
- https://manuscripthandler.com/userfiles/file/zizopamavotajukijade.pdfIn PDF document text
- http://shmountaineering.co.uk/wp-content/plugins/super-forms/uploads/php/files/014qqp23svti8tmfbv39oqdb03/13846086921.pdfIn PDF document text
- https://raiporjai.com/piceditor/file/kedoniwulanapokad.pdfIn PDF document text
- http://jeugdopdewetenschapsagenda.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a29bb74097a---74468988651.pdfIn PDF document text
- http://vdgairconditioning.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a2f13cc260b---beradisuxamidoxo.pdfIn PDF document text
- http://badaranquehablar.com/userfiles/files/30944907607.pdfIn PDF document text
- https://www.siemers-deutschmann.de/wp-content/plugins/super-forms/uploads/php/files/k8s2qlo9if245f5ek5tjob9sn8/10533331989.pdfIn PDF document text
- https://www.hotwaterfactory.com.au/wp-content/plugins/super-forms/uploads/php/files/ce8ad3bb46f03cb63e94e4c61de2bb18/86217913807.pdfIn PDF document text
- https://arizonapoolcontractor.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609af30b36840---6984786923.pdfIn PDF document text
- http://beergolfers.com/blog/images/file/tofejefatumizikawuvuxotub.pdfIn PDF document text
- https://lightupalife.org.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608ff098b2ee3---97071646892.pdfIn PDF document text
- https://gmonlinestore.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078a68ee3b04---wisurujuxokinosamufeku.pdfIn PDF document text
- https://canadianrelocation.net/wp-content/plugins/formcraft/file-upload/server/content/files/160acd620985d1---51838867043.pdfIn PDF document text
- https://www.lesson-online.org/wp-content/plugins/super-forms/uploads/php/files/2l7fhiafak6hkng3q560ki7tv1/46502242556.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e691.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE691 | 5264 bytes |
SHA-256: be5d7097627f91eea005de9d700665815b91400b3a6cbc33ce528f6017221452 |
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font_01_sfnt_off0000f878.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF878 | 10348 bytes |
SHA-256: 0ea5a6280ee2f86cd98308129ac11c390d56359a636d7b4d2ea6b02747ffe9f5 |
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