MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. The document contains numerous embedded URLs, many pointing to compromised websites or disposable hosting, suggesting it functions as a link farm. These links likely lead to phishing sites or further malware downloads, aligning with a spearphishing attachment attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
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=singular+and+plural+sentences+worksheets+with+answers PDF link annotation
- https://vannordenvastgoed.nl/userfiles/file/51637837463.pdfIn PDF document text
- http://igorodstore.ru/files/userfiles/files/jagujexamolagawozebafepot.pdfIn PDF document text
- http://thienlongadv.com/upload/files/zozexonoxuvexuso.pdfIn PDF document text
- http://vinczeandlaszlo.com/upload/vebapiwuvu.pdfIn PDF document text
- https://hediyelikhanem.com/calisma2/files/uploads/14104128135.pdfIn PDF document text
- http://www.movingintofreedom.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a02f02d744f---bekewimitejogaw.pdfIn PDF document text
- https://www.intermediastudios.com.mx/wp-content/plugins/super-forms/uploads/php/files/bb1e16daff9366f9bf1d91212c9ab69c/88862792986.pdfIn PDF document text
- https://auto826.com/uploads/files/xubowozejaxuga.pdfIn PDF document text
- http://lifemartrealestateconnect.com/wp-content/plugins/super-forms/uploads/php/files/dn008s1d3hti1hpqodsntmrvu3/bogigogokonusibupipopup.pdfIn PDF document text
- http://weighlessthisyear.com/ckfinder/userfiles/files/84910569623.pdfIn PDF document text
- http://tungalag.mn/userfiles/files/21074664985.pdfIn PDF document text
- https://charterfori.ir/basefile/charterforiir/files/59198841664.pdfIn PDF document text
- http://anhuizhkj.com/upload_fck/file/2021-8-11/20210811094245786964.pdfIn PDF document text
- http://npas.ru/pic/file/31734588614.pdfIn PDF document text
- http://bluecars.pl/userfiles/file/221042444.pdfIn PDF document text
- http://teormech.ru/teormech/usrimg/file/39753392584.pdfIn PDF document text
- https://smoothnomad.com/wp-content/plugins/super-forms/uploads/php/files/0esarp43fhld7j353j1dsvo4e6/98342381731.pdfIn PDF document text
- http://asea-admin.com/_userfiles/file/20210505102823.pdfIn PDF document text
- http://www.a-fairys-choice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160761e587322a---pizajokazuxe.pdfIn PDF document text
- http://blesk-stroy.ru/userfiles/files/popavemorala.pdfIn PDF document text
- https://fitnessrev.net/wp-content/plugins/super-forms/uploads/php/files/bkt4aghjjka8p2jrtlqrt6q8os/sidopef.pdfIn PDF document text
- http://ourconn.com/userfiles/file/202107250133296210.pdfIn PDF document text
- https://mkontakt.pl/dat//file/19647221835.pdfIn PDF document text
- https://www.getfitcrew.com/wp-content/plugins/formcraft/file-upload/server/content/files/160985a62c9b40---62862415176.pdfIn PDF document text
- http://www.mondzorgvesa-voorschoten.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1608b4f5068f50---jaxuxif.pdfIn PDF document text
- https://heritagecambodiatravel.com/userfiles/file/13339043352.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_off0000da19.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA19 | 11148 bytes |
SHA-256: 4418eaa0ef14a534e461d344ff304493a376f3c9ae7928632baf9c7688da36b7 |
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font_01_sfnt_off0000f3eb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3EB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010bfd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BFD | 18240 bytes |
SHA-256: d274c0281fec1532c9da4b81508099079344f3daeea46612d06f952c9a3518ad |
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