MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links, many pointing to potentially compromised WordPress sites or disposable hosting, suggesting a link farm or SEO poisoning attack. The presence of external URIs and a link farm heuristic points towards an attempt to redirect users to malicious content or phishing sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9833
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 http://litho-and-co.fr/ckeditor/upload/files/3835022053.pdf In PDF document text
- http://pcwenhua.com/uploadimg/file/162395174672644264.pdfIn PDF document text
- http://watthaistuttgart.de/userfiles/file/3442956900.pdfIn PDF document text
- http://mentaplywood.com/images_upload/files/97647314035.pdfIn PDF document text
- http://tantusmarina.com/UserFiles/file/87446965759.pdfIn PDF document text
- https://husvagnsexpo.se/wp-content/plugins/formcraft/file-upload/server/content/files/16071d022dc847---92124749672.pdfIn PDF document text
- http://myphamnanyno.com/luutru/files/58480594999.pdfIn PDF document text
- https://www.teppiche-waschen-hamburg.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609803edca8f4---sezudovogapifoki.pdfIn PDF document text
- http://zdrowejaja.com/Upload/file/todanuvulogexerepos.pdfIn PDF document text
- http://www.luminicaambiental.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f300520e0a---99294606459.pdfIn PDF document text
- http://elliptical-trainers.ru/ckfinder/userfiles/files/sutufusosorapekawesoreded.pdfIn PDF document text
- http://www.akutrans.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611035494e33f---demakuwulodivepawuluxam.pdfIn PDF document text
- https://coloreverything.love/wp-content/plugins/super-forms/uploads/php/files/6880ec7cbdd1f483860a78cb2f29dafc/nizimowit.pdfIn PDF document text
- http://rm-centr.ru/uploads/file/93205004327.pdfIn PDF document text
- http://ngpsusa.com/wp-content/plugins/super-forms/uploads/php/files/snvas6t1bkshtd2q3genkgnqsd/sebufobofubumubipo.pdfIn PDF document text
- http://ccsl.asia/files/31520384494.pdfIn PDF document text
- http://jiendurancecoaching.com/ckfinder/userfiles/files/3151688249.pdfIn PDF document text
- https://amirep.com/wp-content/plugins/super-forms/uploads/php/files/993b1e94e21f81b0bd98c76196c9f3e3/47650443349.pdfIn PDF document text
- http://modero.vn/upload/files/vimokatubuna.pdfIn PDF document text
- https://akgoz.zemta.com/uploads/files/fepeg.pdfIn PDF document text
- https://visionbrindes.com/admin/fckeditor/userfiles/file/56983150084.pdfIn PDF document text
- https://psystat.net/candyticket/uploads/page_images/files/86961084511.pdfIn PDF document text
- http://netmutum.com/userfiles/file/52561099793.pdfIn PDF document text
- https://digireg.cz/upload/60883805608.pdfIn PDF document text
- http://sbsinternationalschool.org/sbsisnew/userfiles/file/rikakifiwofa.pdfIn PDF document text
- http://www.marsagri.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085e7bfe3f37---gotezusabokap.pdfIn PDF document text
- http://www.timtransportes.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/16075e71d72d88---zudoduwosurafusiruwajad.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=libro+asientos+contables+pdfPDF link annotation
- 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_off0000d560.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD560 | 10708 bytes |
SHA-256: 07ed0a4a30e3981f24cdd76337a34d2ab5a67d1db7ccc3b7997a184facb7ced4 |
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font_01_sfnt_off0000eddc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDDC | 21304 bytes |
SHA-256: 5141120f0a7b7e81bec57b2cc7497d8f789e7fe103cb908e3ada21c03a32a194 |
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font_02_sfnt_off0001231b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1231B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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