MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
This PDF file was detected as malicious by ClamAV and an ML classifier. It contains a link farm with numerous URLs, many hosted on compromised WordPress sites or disposable domains, suggesting a phishing or malware distribution scheme. The embedded URLs are designed to redirect users to potentially malicious content, likely for credential harvesting or further malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9943
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://catamma.ru/uplcv?utm_term=essentials+of+management+by+harold+koontz+pdf+free PDF link annotation
- https://www.toptalentusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/161318d006af2c---36157443885.pdfIn PDF document text
- https://lochoanggia.com/upload/files/limelenej.pdfIn PDF document text
- http://intechsol.kz/wp-content/plugins/formcraft/file-upload/server/content/files/1613e93b66dc1c---9069944119.pdfIn PDF document text
- https://www.frankcapassoandsons.com/wp-content/plugins/formcraft/file-upload/server/content/files/161432223f1aef---95814063169.pdfIn PDF document text
- http://businessdevelopmentcenter.pl/uploads/userfiles/files/73375834789.pdfIn PDF document text
- https://burlingame.com/wysiwygfiles/file/jikokasatefubadafixifas.pdfIn PDF document text
- http://asia-test.informacittadino.net/media/files/zupotulufilezaro.pdfIn PDF document text
- https://abicecream.ru/ckfinder/userfiles/files/93623612195.pdfIn PDF document text
- http://24horasnoar.com.br/ckfinder/userfiles/files/zixaluwegisapumokixizuwas.pdfIn PDF document text
- http://sumosushingrill.com/uploads/files/guralujuxubujovelolapabug.pdfIn PDF document text
- http://marcth.pl/media/fck/file/dipuwuxikaberunureluwawov.pdfIn PDF document text
- https://mlspoland.co/files/file/xuwibepodonaziz.pdfIn PDF document text
- http://chuanghuilaw.com/filespath/files/20210910001500.pdfIn PDF document text
- https://sailstudy.in/ckfinder/userfiles/files/20769238001.pdfIn PDF document text
- https://slezanie.eu/userfiles/file/gobufebusolizon.pdfIn PDF document text
- http://viettelhaiphong.me/data/dulieu/files/92610363311.pdfIn PDF document text
- http://nguoiquangphianam.com/uploads/files/vedumabevunofijazideba.pdfIn PDF document text
- http://apluskleaning.com/admin/images/file/58766272532.pdfIn PDF document text
- http://np-laser.com/upload_fck/file/2021-9-7/20210907054752535241.pdfIn PDF document text
- https://eliteplacementagency.com/uploads/files/rexunejinusivatimo.pdfIn PDF document text
- http://phuvuongcorp.com/luutru/files/55850514915.pdfIn PDF document text
- http://fotocaroli.it/userfiles/files/96680989484.pdfIn PDF document text
- http://harc-ias.vn/Images_upload/files/74606647438.pdfIn PDF document text
- http://sfipl.in/userfiles/file/japezomunade.pdfIn PDF document text
- http://www.larucheapain.fr/ljk/file/2422938969.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_off0000c450.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC450 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000dc67.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC67 | 11336 bytes |
SHA-256: 7bec322a069703e110f0a8f56ee9205c7037fa1a72242696d0e560d3fb08b7af |
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font_02_sfnt_off0000f680.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF680 | 17804 bytes |
SHA-256: 0f7347a097289618748c93fb029c2c3f6a9d3b4e20dd59f625d48c23174e94cc |
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