MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, indicating a high likelihood of malicious intent. It contains numerous external URIs and links to compromised WordPress upload storage, suggesting it functions as a link farm to distribute phishing content or further malware. The presence of embedded URLs and the nature of the heuristics point towards a spearphishing attachment attack vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://cructi.ru/uplcv?utm_term=is+ahsoka+still+alive+in+rise+of+skywalker PDF link annotation
- https://ocvirapuato.com.mx/wp-content/plugins/super-forms/uploads/php/files/19a27b0ceb67ad99c248c2f769776e30/65571276254.pdfIn PDF document text
- https://centrobrands.com/wp-content/plugins/super-forms/uploads/php/files/9e88d747db0fcc5292f58b02e9b7fe26/vesovod.pdfIn PDF document text
- http://www.goldenlantern.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160b8bb29c5f06---kevorurimomazadetinege.pdfIn PDF document text
- http://vimbark.sk/editor_uploads/files/rebaduxitosiboxeru.pdfIn PDF document text
- https://www.temsilcisitesi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070635be5211---63058064667.pdfIn PDF document text
- http://www.telsercom.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a31690e7b58---50355711451.pdfIn PDF document text
- http://www.yourhealthyourchoice.org/wp-content/plugins/formcraft/file-upload/server/content/files/16090f85af14cd---kadotepen.pdfIn PDF document text
- http://manavpublicschool.org/manav/userfiles/file/tirevabuz.pdfIn PDF document text
- http://mas.vacations/wp-content/plugins/formcraft/file-upload/server/content/files/1607b440f7ee19---risisi.pdfIn PDF document text
- http://myphamlulanjina.com/upload/files/55909777247.pdfIn PDF document text
- https://maxim-catering.de/wp-content/plugins/super-forms/uploads/php/files/jrij9ef82bf03me52m0bdi06pv/kulumadasowuposab.pdfIn PDF document text
- http://xn--e1aazeoc7d.xn--p1ai/images/shared/file/90842791133.pdfIn PDF document text
- http://alexhofford.com/temp/files/file/doruxojevusixesiwabaku.pdfIn PDF document text
- https://sancarspune.com/wp-content/plugins/super-forms/uploads/php/files/1983582224383b65aa0a7d006bfd4802/jajokipibamubaxolepuforum.pdfIn PDF document text
- https://alarouba.com/ckfinder/userfiles/files/luwifu.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_off0000ea48.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA48 | 5112 bytes |
SHA-256: 308c69eb534b251b898d178381422eec20b7d398ceba7f602e5060cb73c2aa60 |
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font_01_sfnt_off0000fbc1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBC1 | 10916 bytes |
SHA-256: c833ac656e718ea5d91093493f51d3dfe407060c89f5ca1806639f90c16716b1 |
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