MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of links, many of which point to compromised WordPress sites. The ML classifier and ClamAV detection strongly indicate malicious intent, specifically a phishing or malware distribution campaign. The document body is heavily obfuscated, preventing a clear understanding of its direct purpose beyond acting as a redirection mechanism.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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 http://www.kreasoft.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1608a19a4d5af5---mumiworavep.pdf In PDF document text
- https://www.hotel-palladium.gr/wp-content/plugins/super-forms/uploads/php/files/200fbi1c52uoh46o9osph7qo1l/vixomebudepujesepi.pdfIn PDF document text
- http://speakingaboutnetworking.com/ckfinder/userfiles/files/gaxodabowe.pdfIn PDF document text
- https://braus.uz/images/shared/file/46779305837.pdfIn PDF document text
- http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/160e7a273b1c5d---sejorerotob.pdfIn PDF document text
- http://www.agot.pl/upload/file/22624953039.pdfIn PDF document text
- https://primeodontorj.com/wp-content/plugins/super-forms/uploads/php/files/05e1297bb1faea1b5bf080bbe4576a26/mopirula.pdfIn PDF document text
- https://trichynext.com/wp-content/plugins/super-forms/uploads/php/files/d5a85bc21cb942399540acce93f6a968/ragir.pdfIn PDF document text
- http://abwcoliseum.com/uploads/files/puxetiguzesidifo.pdfIn PDF document text
- https://www.rath-catering.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608d98f0f1370---88960383389.pdfIn PDF document text
- http://musorcentrum.hu/files/article/file/65520704328.pdfIn PDF document text
- https://hohsingfiber.com/ufiles/files/71565555539.pdfIn PDF document text
- https://www.paparazzirestaurant.com.au/wp-content/plugins/super-forms/uploads/php/files/51d198a6c3abb58ce2eebface234d00b/xagexude.pdfIn PDF document text
- http://miamiwars.pl/wp-content/plugins/super-forms/uploads/php/files/c979826e662d592309eeb2fd74e5cdf8/8531599023.pdfIn PDF document text
- http://vinag7furniture.com/app/webroot/files/editor_upload/files/75468709288.pdfIn PDF document text
- http://www.chicagoalphas.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076ccf6af90d---segosu.pdfIn PDF document text
- http://www.fullmooneye.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fef7ce3ee01---wasitesekevidapinokagigo.pdfIn PDF document text
- https://nuevocoach.co.uk/wp-content/plugins/super-forms/uploads/php/files/d1d69aab3ffbc2f12f1c2cddf9a4c568/31883513249.pdfIn PDF document text
- https://upaspor.com/resimler/files/6043047176.pdfIn PDF document text
- https://rajatotogroup4.com/contents/files/jizudixanisuv.pdfIn PDF document text
- http://er-trans.com/img/produkty/files/92456629457.pdfIn PDF document text
- http://acril.ru/ufiles/files/66005889868.pdfIn PDF document text
- https://altstudio.be/app/webroot/uploads/file/bogudawimi.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=digitech+vocalist+live+harmony+user+manualPDF 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_off00012856.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12856 | 20592 bytes |
SHA-256: bbbf52bb03a111772f925bba870cb5c632021882aad7acd61919bf3cc54c8991 |
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font_01_sfnt_off00015e09.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15E09 | 10956 bytes |
SHA-256: ffd909e61a0ee8932e588443a09f8d4580a0cc1b4bd58f4caa4e46c598552dee |
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font_02_sfnt_off00017756.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17756 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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