MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file is a PDF identified as malicious by ML classifiers and ClamAV. It contains numerous embedded URLs, many of which point to compromised WordPress upload directories, suggesting it's part of a link farm designed to redirect users to malicious content. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, indicating the document's primary purpose is to host a large number of links on potentially disposable hosting.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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://www.cargeacrew.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160ac2a60a54e6---40834863369.pdf In PDF document text
- http://www.birapart.com/wp-content/plugins/formcraft/file-upload/server/content/files/160926752a5faa---negiluwigapunejiwerasa.pdfIn PDF document text
- http://syarmarka.ru/userfiles/files/87807331779.pdfIn PDF document text
- https://transcendenceit.com/wp-content/plugins/super-forms/uploads/php/files/c2eca26358ba6d1629d86059a6ad4af0/bapikoribifujuxunibujamag.pdfIn PDF document text
- https://retentionstudentexperience.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d13acceaa5---jirurinujam.pdfIn PDF document text
- https://belhasasecurity.com/userfiles/file/17053455688.pdfIn PDF document text
- https://cashmeredreams.com/wp-content/plugins/super-forms/uploads/php/files/9f2e09f30d737f35fdd98585d56d953e/56812485141.pdfIn PDF document text
- http://www.impactit.in/ckfinder/userfiles/files/3559274247.pdfIn PDF document text
- https://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/c689133bdd7c91d59a6a931a0644189c/wisugunedibudokeko.pdfIn PDF document text
- https://empylean.com/wp-content/plugins/super-forms/uploads/php/files/3fc5fu4eqpqlu5a00kral72l88/8404511110.pdfIn PDF document text
- https://carrieres-pierre.com/userfiles/file/20784246436.pdfIn PDF document text
- https://gimenezricarte-deltabogados.com/ckfinder/userfiles/files/90901895584.pdfIn PDF document text
- https://claphamjunction.com.au/wp-content/plugins/super-forms/uploads/php/files/cba4ea32dd49bbc8dd4faf4d608fbfba/jitugadawuvezeduxazojuned.pdfIn PDF document text
- https://nstyapi.com/resimler/files/pefowakavuboza.pdfIn PDF document text
- https://www.truck-transport.com/ckfinder/userfiles/files/78132421644.pdfIn PDF document text
- http://www.airportlimofortlauderdale.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a6e0d127ce3---79232869778.pdfIn PDF document text
- http://moiarchitekci.pl/pliki/file/56924223493.pdfIn PDF document text
- https://senzedigicraft.com/wp-content/plugins/super-forms/uploads/php/files/0b4238ef43a611976c6ed76d8364d70a/pogitasoxezerunotelotew.pdfIn PDF document text
- https://thinkhigh-tech.com/d/files/xevozu.pdfIn PDF document text
- http://mirembeestate.co.ug/wp-content/plugins/formcraft/file-upload/server/content/files/160ca629e571fa---79203435806.pdfIn PDF document text
- http://asesorgubernamental.com/images/file/32626782396.pdfIn PDF document text
- http://robbes.nl/media/files/47291638463.pdfIn PDF document text
- https://lawyerupsmart.com/tempimg/file/72588033393.pdfIn PDF document text
- https://digitaldaya.com/imagenes/file/2842999273.pdfIn PDF document text
- http://namhungholdings.com/uploads/ckfinder/files/xogirujoxigujaduba.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=okyanus+yay%C4%B1nlar%C4%B1+7.+s%C4%B1n%C4%B1f+matematik+soru+bankas%C4%B1+pdf+indirPDF 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_off0000fb4b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB4B | 11292 bytes |
SHA-256: db2311ff6c8b5e7614ac5e8f3630a7284ce3429b1e4e2efa40fd5eeb5fbc1449 |
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font_01_sfnt_off000115a7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x115A7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012db9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12DB9 | 19560 bytes |
SHA-256: fcb407a39009a07af0e71953dc3cc165c0e3ecb6e5d612087769f9a8221e0363 |
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