MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous links to external websites, many hosted on compromised WordPress installations, suggesting a link farm or phishing lure. The ML classifier and ClamAV detection strongly indicate malicious intent. The presence of embedded URLs and the overall structure point towards a phishing or malware distribution campaign, likely initiated via spearphishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
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://queure.ru/uplcv?utm_term=anterior+superior+labral+tear+hip+icd+10 PDF link annotation
- https://mkting.com.co/wp-content/plugins/super-forms/uploads/php/files/a681e660cffb9372e6564f0277f95fc8/64559016731.pdfIn PDF document text
- https://festival.bg/fckeditorfiles/file/pekivotodomuli.pdfIn PDF document text
- https://awlights.com/wp-content/plugins/super-forms/uploads/php/files/7bc83b12b30dba14ec17a095f7d2f833/11212976224.pdfIn PDF document text
- https://expungemyrecordnj.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a477714ec0a---nexamuzafuvipizimosij.pdfIn PDF document text
- https://suemsas.com/wp-content/plugins/super-forms/uploads/php/files/78tqjktd9t6ph9jt4a91pfrrv7/72186031889.pdfIn PDF document text
- http://rasmesafar.net/basefile/basefiles/83989118421.pdfIn PDF document text
- https://ehblending.com/wp-content/plugins/super-forms/uploads/php/files/343ad4713e58c741120e86652579c654/94319183190.pdfIn PDF document text
- https://www.sussexweddingservices.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16077dc1c94399---33441212594.pdfIn PDF document text
- https://www.synergyheart2heart.team/wp-content/plugins/super-forms/uploads/php/files/ktqjahl10fcdk0b7lmjheevut3/vemusakop.pdfIn PDF document text
- http://allmedicus.com/userfiles/file/dejalegisetutawedupafer.pdfIn PDF document text
- https://arerp.kr/data/file/%5C/89201949163.pdfIn PDF document text
- http://parkwestresidences.com/wp-content/plugins/formcraft/file-upload/server/content/files/160712d0befa4b---6272566881.pdfIn PDF document text
- http://shreyaghoshal.com/konadnew/userfiles/file/90592426802.pdfIn PDF document text
- http://vtracauto.com/wp-content/plugins/formcraft/file-upload/server/content/files/160877508be160---timimogimasurixok.pdfIn PDF document text
- https://nationalcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bfdfac23398---sidojilebugep.pdfIn PDF document text
- http://shqinze.net/admin/upimg/file/%5C/86618964189.pdfIn PDF document text
- https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608761b44a4ff.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_off0000e35a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE35A | 5484 bytes |
SHA-256: 12ef508d8f8083fb80d5c06c77c58730bd921768b98a8add464a907d292abec8 |
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font_01_sfnt_off0000f5f1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5F1 | 10900 bytes |
SHA-256: bda636a415a87df819d4e2316f31494dc48f914af0c507dc009387d6f2bd20dd |
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