MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a significant number of external links, many pointing to compromised WordPress sites or disposable hosting. This indicates a deliberate attempt to lure users to external resources, likely for phishing or to download further malicious content. The ClamAV detection and ML classifier strongly support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://ahsaipu.com/v15/Upload/file/2021562323225742.pdf In PDF document text
- https://ludifrance.fr/userfiles/file/61115448557.pdfIn PDF document text
- https://www.yoursurveysurveyors.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160ac55d145f42---33384513203.pdfIn PDF document text
- http://albino-pitti.com/pub_img/file/vixoga.pdfIn PDF document text
- https://greshamgilessalon.com/wp-content/plugins/super-forms/uploads/php/files/6561c231868733231082bbbc941bdfe3/xudujodinobuzobisa.pdfIn PDF document text
- http://for-rent-aalst.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa8a6a7b00c---nebuled.pdfIn PDF document text
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/l52k7auafqu39c4u2e99goava1/6357069225.pdfIn PDF document text
- http://dmn.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160967c449c1cc---2068937686.pdfIn PDF document text
- http://pitneyclan.com/clients/c/c7/c7afcfad87c307b096642b2e35f52d25/File/pevopelofoweguz.pdfIn PDF document text
- http://www.advokat.com/app/webroot/img/fck/file/61997297269.pdfIn PDF document text
- http://lhs60to70.com/clients/3/32/32806278e47d7e4d905c37b1d6ebf04a/File/xisogesaj.pdfIn PDF document text
- https://mariellatriolo.it/public/file/ladolugoduxitojegovoda.pdfIn PDF document text
- http://mouaumfb.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608499e8e8b85---dedigexokadamorunefam.pdfIn PDF document text
- http://rama-sp.com/rama/webroot/js/ckfinder/userfiles/files/vizamivesumupi.pdfIn PDF document text
- https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/duekkio9q7edjqhlqscud5e95f/tosojixiwegunibabevujajew.pdfIn PDF document text
- https://luxmarketing.agency/wp-content/plugins/super-forms/uploads/php/files/2a3qeobnq6cv1jqt15p5tqkjhd/bojozasedisorafade.pdfIn PDF document text
- http://akiyastyle.com/app/webroot/js/ckfinder/userfiles/files/77232770055.pdfIn PDF document text
- https://camgloberealtor.com/userfiles/file/45892108920.pdfIn PDF document text
- https://aartipalette.com/userfiles/file/mapubepob.pdfIn PDF document text
- http://www.combatsim.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16086013998df5---52321107447.pdfIn PDF document text
- https://sieuviet.net/webroot/img/files/girijesobefobod.pdfIn PDF document text
- https://www.ayersworthglen.com/wp-content/plugins/formcraft/file-upload/server/content/files/160903b244226f---60515784931.pdfIn PDF document text
- http://discarga.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073ab52a95f9---tuwus.pdfIn PDF document text
- http://yuseigachi.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16078a235a4dd2---leron.pdfIn PDF document text
- http://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/86b5r138c2smt4srtv0h8l3tu1/nazejufozupufawexaw.pdfIn PDF document text
- https://mytopics.it/uploads/file/peburulisirox.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=i+want+it+that+way+acoustic+chordsPDF 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_off0000d845.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD845 | 18052 bytes |
SHA-256: a51ed640fdab7d365416d19381bfc4f0b2e9de161d967b0faec5d850a01df662 |
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font_01_sfnt_off00010736.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10736 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011f4d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F4D | 10540 bytes |
SHA-256: 5b06fb116d026e06181f83f9add010dd96fd2abca7f3a7f5724ee1945ff17242 |
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