MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable domains, indicating a link farm designed to redirect users. ClamAV and ML classifiers flagged this PDF as malicious, specifically as a phishing trojan. While no scripts were explicitly extracted, the nature of the embedded URLs suggests a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9971
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://vektor-bezpeki.com/userfiles/files/35791708406.pdf In PDF document text
- http://hyunbulsa.org/~ewedd2/userfiles/file/dezomerilubudami.pdfIn PDF document text
- https://gulertrafik.com/wp-content/plugins/super-forms/uploads/php/files/ih0ofc3eqn34opqs626ap2b1cv/34237601123.pdfIn PDF document text
- http://tongkhomica.com/upload/files/gipopikutenage.pdfIn PDF document text
- https://podereilmontaleo.it/writable/public/userfiles/file/jozujumulegizor.pdfIn PDF document text
- http://allgeology.ru/ckfinder/userfiles/files/warekoz.pdfIn PDF document text
- http://k3projekt.pl/uploads/userfiles/files/54930275790.pdfIn PDF document text
- http://avtokit116.ru/!upload/files/64811896403.pdfIn PDF document text
- http://bright-mineral.com/uploadfile/file/2021062523252328.pdfIn PDF document text
- http://dwornawodzie.pl/userfiles/file/48698142029.pdfIn PDF document text
- http://oskarmak.com/userfiles/file/wubidedasa.pdfIn PDF document text
- http://bigcool.net/webroot/img/files/fekedilozemanutisoguxal.pdfIn PDF document text
- https://www.vedaaz.com/wp-content/plugins/super-forms/uploads/php/files/04987e88bf0daae86b2d5d70cf54a63b/poxagulodenidemuvefe.pdfIn PDF document text
- https://mariellatriolo.it/public/file/26536782215.pdfIn PDF document text
- https://kratky.eu/files/file/mimirepoguzog.pdfIn PDF document text
- https://fermuar.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133115db769b---water.pdfIn PDF document text
- http://pmke.cz/pictures/files/pafak.pdfIn PDF document text
- https://ecobox.eng.br/wp-content/plugins/super-forms/uploads/php/files/rg482vcfcavo15hebeah7fcn8j/dabomofisozewixosi.pdfIn PDF document text
- http://nc2e.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16073d33de9056---60610337805.pdfIn PDF document text
- http://www.awakohchang.com/image/upload/File/exogijajatakefivofovete.pdfIn PDF document text
- https://sportuna.be/ckfinder/userfiles/files/82839709855.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=social+research+methods+notes+pdfPDF 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_off0000c430.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC430 | 16252 bytes |
SHA-256: 9fbeb218b049f2994155798fdd3f1459cf3c75b9a324fbffbc7d4efa76648056 |
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font_01_sfnt_off0000eda3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDA3 | 10960 bytes |
SHA-256: 473f2e56bb5508f5351e2bfab720218430d60971977abbb3c0635dcdd678f68b |
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font_02_sfnt_off000106d1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106D1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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