MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection for Pdf.Phishing.Trojan. The numerous extracted URLs, many hosted on compromised WordPress sites or disposable domains, suggest a link farm designed to redirect users to phishing or malware distribution sites. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://smidgel.ru/uplcv?utm_term=question+what+is+your+name PDF link annotation
- https://muzeumkonstancina.pl/attachments/file/rajagosegepomuk.pdfIn PDF document text
- https://mosoptagro.ru/wp-content/plugins/super-forms/uploads/php/files/b6a75747d720263a434e0ba8e3f9ff7c/55527052036.pdfIn PDF document text
- http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/6f64cdfb818958cd025e3c456322735a/58335266669.pdfIn PDF document text
- https://thinkglobalcompliance.com/ckfinder/userfiles/files/raraxiwijokofoj.pdfIn PDF document text
- http://www.studiolegalefusimorelli.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a61c4a7286---kodesavojuvoleki.pdfIn PDF document text
- http://jeugdopdewetenschapsagenda.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607757404a5d7---zofagaxomofupifekavifodel.pdfIn PDF document text
- https://asset-books.com/userfiles/file/xofepoxubefalidobobun.pdfIn PDF document text
- https://admonks.ru/wp-content/plugins/super-forms/uploads/php/files/ecad011eb348f7977f3d159c98278606/2638893004.pdfIn PDF document text
- http://e-district.org/userfiles/file/funixolamanotemekotafuz.pdfIn PDF document text
- https://skyfireconsulting.com/wp-content/plugins/super-forms/uploads/php/files/2qcl86uam3bpcp1eg8tt9fdpla/tuzowu.pdfIn PDF document text
- http://www.proyecpapel.es/ckfinder/userfiles/files/kuluzibivev.pdfIn PDF document text
- http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/4d50lsdnie39df03hlcmeuf2b1/gezasuritilofozewogagimob.pdfIn PDF document text
- https://www.urban-quartz.co.uk/wp-content/plugins/super-forms/uploads/php/files/b67f318669204820b1f67c41a2e87faa/90580779581.pdfIn PDF document text
- http://parkwestresidences.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d999c2ce0d8---97920353733.pdfIn PDF document text
- http://bagpack.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/1609eaffd7f57e---mapabiveloniw.pdfIn PDF document text
- https://hopefor.today/wp-content/plugins/super-forms/uploads/php/files/d7ce3172ca3e55082f58a57a22842126/85938560833.pdfIn PDF document text
- http://medica-eg.com/userfiles/file/fusiranirezolosasanadis.pdfIn PDF document text
- https://myveolife.com/wp-content/plugins/super-forms/uploads/php/files/45dad1b15d1413727094f242f07e38e2/kikesavobena.pdfIn PDF document text
- https://www.potterycommercials.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160b32d38bdb80---tibopuwawi.pdfIn PDF document text
- http://amoy-art.com/Upload/file/48018916407.pdfIn PDF document text
- http://slowjamsundays.com/wp-content/plugins/formcraft/file-upload/server/content/files/16097f9e7b50d0---bonovepukafopomibixe.pdfIn PDF document text
- https://al-farh-iq.com/upload/userfiles/file/kuwifobofajoxoxav.pdfIn PDF document text
- http://bizbecho.com/pa/trainstation/uploads/image/file/28977545783.pdfIn PDF document text
- http://aquamedia.cn/ckfinder/userfiles/files/mixabugivijababiv.pdfIn 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://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_off0000edbc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDBC | 17556 bytes |
SHA-256: d28588d28cad422369c914c27ba5c7bcaf8a64a05bdd62bc20312eb4117b08fd |
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font_01_sfnt_off00011b0d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B0D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013324.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13324 | 10688 bytes |
SHA-256: 28cd226551299aa6476c93053eead1416eb93e782cb255a721f7c22aa04f2bbd |
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