MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, directing users to multiple compromised WordPress sites and potentially disposable hosting domains. The embedded URLs, such as 'https://queure.ru/uplcv?utm_term=aerobic+exercise+at+home+for+belly+fat', are likely used to distribute phishing content or further malware. No scripts were extracted from this sample, but the overall structure and URL patterns strongly suggest a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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 https://queure.ru/uplcv?utm_term=aerobic+exercise+at+home+for+belly+fat PDF link annotation
- http://www.etoiles-recrutement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160777f85ab88e---39090411522.pdfIn PDF document text
- http://www.hotel-margherita.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a942ff038df---judarosiwikax.pdfIn PDF document text
- http://cs-golfclub.com/ckupload/files/wemexunej.pdfIn PDF document text
- http://www.kidnuri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606e2a1b10495---93229059536.pdfIn PDF document text
- https://solarconsulting.org/wp-content/plugins/super-forms/uploads/php/files/3a2dbb6bc53688c0a99b4bb8e1c5d5da/zagufexogusotiruk.pdfIn PDF document text
- https://medsplus.us/admin/images/file/selomagibiv.pdfIn PDF document text
- http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/jrul32tubtkt5og31ov31hu2l4/65956156870.pdfIn PDF document text
- http://aberdeeneyes.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608289fd9e0da---pexexukitugolinaken.pdfIn PDF document text
- https://edukiya.com/wp-content/plugins/super-forms/uploads/php/files/9a9cef36682988cf81e4a658600715bd/39863597931.pdfIn PDF document text
- http://for-rent-antwerp.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8e20ca4caa---68323499044.pdfIn PDF document text
- http://clinicacomciencia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b2257dee4cd---2980600277.pdfIn PDF document text
- http://argra.rs/wp-content/plugins/formcraft/file-upload/server/content/files/1609a7e30596c5---52858130389.pdfIn PDF document text
- http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099a24f0861f---jegolanatuzobosexaritabe.pdfIn PDF document text
- http://taborcapitalpayment.com/clients/d/d0/d0a3925ee25d0adc8806453b18bccccc/File/rafakikexipijufobireb.pdfIn PDF document text
- http://amidoux-peintures.com/ckfinder/userfiles/files/93814835282.pdfIn PDF document text
- http://kajsanordstrom.com/userfiles/files/fozanomotadolusazawo.pdfIn PDF document text
- http://www.mvdisposal.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079a93f5d3eb---62893395460.pdfIn PDF document text
- http://www.cargeacrew.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607f06bc8e03a---sexevelijedojebolufike.pdfIn PDF document text
- https://angkortaxiservice.com/userfiles/file/46137432555.pdfIn PDF document text
- http://pngroup.pl/ckfinder/userfiles/files/3723071350.pdfIn PDF document text
- http://teaandtiarasottawa.org/clients/e/e8/e8f54e69a7463df9fd0adff13cd8e90f/File/voxumugabi.pdfIn PDF document text
- http://www.mtpartnersfl.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae5fe103516---85616322686.pdfIn PDF document text
- https://christembassyromford.org/wp-content/plugins/super-forms/uploads/php/files/0edb61739ae7180e13656ee3ddeb8ebf/2352815035.pdfIn PDF document text
- http://payassistinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d2f7e38ef8---viravavatotaremuju.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_off0000f32f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF32F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010b46.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B46 | 10836 bytes |
SHA-256: cbf7539ba09ff4d90a388197af8cebd32ab6d3bf3cf29325e30de9b416b389a9 |
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font_02_sfnt_off0001245d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1245D | 16588 bytes |
SHA-256: 49724260cbb07f0c4b4c3a28e7577d64b988873776dfb3055a1ddda57cb20708 |
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