MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by ClamAV as a phishing trojan and by an ML classifier, indicating malicious intent. It contains numerous links to external websites, many hosted on compromised WordPress installations, suggesting a link farm designed to redirect users to malicious content. The presence of embedded URLs and the overall structure point towards a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9969
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://coretry.ru/uplcv?utm_term=grade+2+english+booklet+pdf PDF link annotation
- https://mamproducciones.es/wp-content/plugins/formcraft/file-upload/server/content/files/1609fcc5d5c2a9---93651215976.pdfIn PDF document text
- https://rclurie.com/wp-content/plugins/super-forms/uploads/php/files/dd014def6f0ce7a90d5f38a44a2a6b35/nonobe.pdfIn PDF document text
- https://vanphongphampmc.com/upload/files/8577088827.pdfIn PDF document text
- http://www.ebsjosepirosamaria.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076b0ac93979---17576749952.pdfIn PDF document text
- http://influences-vegetales.eu/assets/Image//files/96821024444.pdfIn PDF document text
- https://menlopark.com/wysiwygfiles/file/20066628819.pdfIn PDF document text
- http://cameronhaddock.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dee0df899d8---52393797876.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b3ec574bd81---54199668545.pdfIn PDF document text
- https://aquarell.ro/userfiles/file/7543872028.pdfIn PDF document text
- https://areshin.ru/wp-content/plugins/super-forms/uploads/php/files/b82566ade069dc26a6e398418b45d599/72337174973.pdfIn PDF document text
- http://henanshuangxin.com/d/files/vuremujapog.pdfIn PDF document text
- http://shbaicun.com/userfiles/file/2021082108142273499.pdfIn PDF document text
- https://www.ferienhof-schneider.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609a2c7d9fff9---97179167552.pdfIn PDF document text
- http://annandale1963.com/clients/69704/File/20181306248.pdfIn PDF document text
- http://miamiwars.pl/wp-content/plugins/super-forms/uploads/php/files/8f4f10f965793aca5d05abdf8bcf33bf/1443766884.pdfIn PDF document text
- https://kes-stv.ru/wp-content/plugins/super-forms/uploads/php/files/0f6a9367b4790dbf7b7fb68296452aaf/tibumodexiwijijiwezog.pdfIn PDF document text
- https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/23463c4639af12bb1ae0e9f7eedcf1b7/doberazevelepasanixukub.pdfIn PDF document text
- https://amitadevnani.com/userfiles/file/6816341949.pdfIn PDF document text
- https://hpsoft.shop/upload/files/74885958515.pdfIn PDF document text
- https://sipsib.ru/wp-content/plugins/super-forms/uploads/php/files/1dddf061447641fb539c1ed95755fb7f/kezerubufusak.pdfIn PDF document text
- http://www.mondzorgvesa-voorschoten.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161184bb5e2788---vijeludazemozoraziju.pdfIn PDF document text
- https://leicht-spb.ru/wp-content/plugins/super-forms/uploads/php/files/a12e0902738dfcb3097d66a12b37c490/17835526510.pdfIn PDF document text
- https://www.hungryalex.com/wp-content/plugins/super-forms/uploads/php/files/7n3q875f494l87svb7q9p564hp/31792442243.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_off00010941.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10941 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00012153.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12153 | 19868 bytes |
SHA-256: 3cd37594f7bfbf58034cda365bcb17a91e7d7bf0424ae27355f68b003ac7b941 |
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font_02_sfnt_off0001549a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1549A | 11168 bytes |
SHA-256: 179487b5430d4fa1eeb0969173951207f6e5795a8cfb2801250c42d0bac00104 |
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