MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous external URIs and link farms, with several pointing to compromised WordPress uploads or disposable domains, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent, likely serving as a lure to a malicious site or further payload. No scripts were extracted from this sample.
Machine Learning
- Nyx PDF Classifier malicious score 0.9886
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://irlanc.ru/uplcv?utm_term=bolt+torque+calculation+formula+excel+metric PDF link annotation
- https://laatjehuisweerstralen.nl/upload/file/28218199643.pdfIn PDF document text
- https://playworkspartnership.ca/sites/default/files/file/7725733145.pdfIn PDF document text
- http://remontnoedelo.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16100fc878aa00---baromodo.pdfIn PDF document text
- https://adm.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/e1579ecfd07267cb35c4703b9873ce44/6366494557.pdfIn PDF document text
- http://s8radziejowice-paszkow.pl/userfiles/file/86092267650.pdfIn PDF document text
- https://leicht-spb.ru/wp-content/plugins/super-forms/uploads/php/files/a6a6a505b56788082a4ba8b0d9777e0c/66212947977.pdfIn PDF document text
- http://veraschwemmle.de/fckdata/file/namenubuvojozuko.pdfIn PDF document text
- http://brighterhealthcare.co.uk/wp-content/plugins/super-forms/uploads/php/files/9qt8tbmst66a8fv6r7not42o7m/bufiv.pdfIn PDF document text
- http://chiaranannini.com/userfiles/files/buvakadewusarotakuzoxadet.pdfIn PDF document text
- http://architettoannalisatinelli.it/userfiles/files/masozumuvukogubomum.pdfIn PDF document text
- http://kanstm.com/ckupload/files/56256205575.pdfIn PDF document text
- http://ergo-logo-bamberg.de/userfiles/file/12183143993.pdfIn PDF document text
- http://divorcefinance.nl/uploads//file/72905472634.pdfIn PDF document text
- http://osullivanspressurewashing.com/wp-content/plugins/formcraft/file-upload/server/content/files/16112f94f6c901---14884628245.pdfIn PDF document text
- http://computerdoki.hu/user/file/tiwaxalup.pdfIn PDF document text
- https://turismo-galicia.es/ckfinder/userfiles/files/27855467916.pdfIn PDF document text
- http://dxqzx.com/ckfinder/userfiles/files/20210617_102639.pdfIn PDF document text
- https://doellefjelde-mussemarked.dk/images/newsmail/file/45425291012.pdfIn PDF document text
- https://www.18fire.com/wp-content/plugins/super-forms/uploads/php/files/b3524b7d510e69a2bc7e2148025bb121/kizapize.pdfIn PDF document text
- http://pgnsualumni.com/clients/872691/File/11111700647.pdfIn PDF document text
- https://kvgrup.com.ua/wp-content/plugins/formcraft/file-upload/server/content/files/160b2dbb3aa4fb---96542624689.pdfIn PDF document text
- https://reazfarah.com/ckfinder/userfiles/files/dulupasujokupok.pdfIn PDF document text
- https://ipcare.nl/wp-content/plugins/super-forms/uploads/php/files/d30cma4tr35a538ddrptl7cnir/8030849156.pdfIn PDF document text
- http://jucal.es/images/file/lofexigurobugodezu.pdfIn PDF document text
- http://www.petercar0937494634.com/upload/img/files/190128770.pdfIn PDF document text
- http://localhomesales.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a8f06344bd4---16481336989.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_off0000f57f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF57F | 10728 bytes |
SHA-256: 7394213ae65e6f9c68603d890cfc5447da9b3bc2818242692c90de8db596859d |
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font_01_sfnt_off00010e25.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E25 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012637.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12637 | 17492 bytes |
SHA-256: 07ccd0f5507c4c74647c8e9be640a50c26fdd300beb0a21f30cf11135a733371 |
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