MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a PDF link farm, with numerous URLs pointing to potentially compromised websites or disposable hosting. The presence of a visual download button further suggests a lure to trick users into downloading a payload. The document body was unreadable, but the overall pattern points to a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://infrive.ru/uplcv?utm_term=best+use+of+old+android+phone PDF link annotation
- https://ingatlansos.hu/images/userfiles/file/38360689074.pdfIn PDF document text
- https://www.quatainvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613f2bcfe1ac0---50346864113.pdfIn PDF document text
- https://eastmangroup.org/ckfinder/userfiles/files/fukuwe.pdfIn PDF document text
- http://cngwalk.com/fckeditor/userfiles/image/gefivozusegiwotixifip.pdfIn PDF document text
- https://abcelectricalonlineshop.brilliantwebtech.com/userfiles/files/makomafotakotikusiterer.pdfIn PDF document text
- http://avtokit116.ru/!upload/files/vekufole.pdfIn PDF document text
- https://www.cukoyem.com.tr/wp-content/plugins/super-forms/uploads/php/files/15939gql21g0qa015uub9njfb4/disetokubazajuj.pdfIn PDF document text
- http://kgmda.com/upload/files/vutewi.pdfIn PDF document text
- https://bataretak.com/img/files/file/desizajapemabufezeje.pdfIn PDF document text
- http://devison-matras.com/upload/file/43322778610.pdfIn PDF document text
- https://glasschneider.koeln/wp-content/plugins/super-forms/uploads/php/files/0ddua28mk3fh2hgca3l0vgacpu/66630032175.pdfIn PDF document text
- https://krantiservice.com/ckfinder/userfiles/files/78947727509.pdfIn PDF document text
- http://structurecreative.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140bc0523176---57947370864.pdfIn PDF document text
- http://pc75.net/upfiles/file/1631570615.pdfIn PDF document text
- http://yevres.fr/ckfinder/userfiles/files/nowixukevizijomuw.pdfIn PDF document text
- http://321eastern-thailand.com/userfiles/files/31207566649.pdfIn PDF document text
- https://invest.pl/userfiles/file/1709733223.pdfIn PDF document text
- http://dzirerealtors.com/uploads/73120743354.pdfIn PDF document text
- https://www.taxikladis.gr/wp-content/plugins/formcraft/file-upload/server/content/files/161399b2d2289a---64897807230.pdfIn PDF document text
- https://gamletaarnhuset.no/wp-content/plugins/formcraft/file-upload/server/content/files/1613d36657bc4d---31516633053.pdfIn PDF document text
- https://www.abrasco.org.br/ckfinder/userfiles/files/zujunowako.pdfIn PDF document text
- http://xyr59.com/filespath/files/20210914090829.pdfIn PDF document text
- http://www.jcca.co.in/wp-content/plugins/formcraft/file-upload/server/content/files/16136552e86477---wibefakedazakuxorozatuj.pdfIn PDF document text
- http://xn----8sbnbd9chja.xn--p1ai/userfiles/file/12511727453.pdfIn PDF document text
- http://sziazsauto.com/uploads/files/71454615223.pdfIn PDF document text
- http://inbeeldt.nl/userfiles/file/518029684.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_off0000ec20.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC20 | 17620 bytes |
SHA-256: 885f123ae730c4179c390082f7b379511f1364eaf0722b3260f61928062f5c1b |
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font_01_sfnt_off00011a39.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A39 | 10748 bytes |
SHA-256: dca6fd82304949778630047502b19b4220424b646357e876284a70cd140f2656 |
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font_02_sfnt_off000132e2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x132E2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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