MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, a common technique for executing malicious code within documents. It also features a link farm pointing to numerous URLs, several of which are hosted on compromised WordPress sites or disposable domains, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
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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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 https://archism.ru/uplcv?utm_term=m4ufree+movies+action PDF link annotation
- http://shopcode.ru/uploads/file/71810412924.pdfIn PDF document text
- http://wonderful-foods.net/userfiles/file/mabiwijolanujapisefobemem.pdfIn PDF document text
- http://aadcnfgl.netsociality.com/upload/files/35710746416.pdfIn PDF document text
- http://td-mg.ru/uploads/files/pafuxubidotetexaxu.pdfIn PDF document text
- https://coluer.ir/documents/file/vilanewitowekawoped.pdfIn PDF document text
- https://tepatsasaran.com/contents/files/2426027776.pdfIn PDF document text
- http://interroadholland.nl/userfiles/file/60710157583.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612eac776c898---37076659073.pdfIn PDF document text
- http://topp.pl/_topp/file/26778919374.pdfIn PDF document text
- http://safarekhoob.ir/basefile/safarekhoobir/files/16568963004.pdfIn PDF document text
- http://laulumaja.fi/ckfinder/userfiles/files/fejoxinevifukafavefukelon.pdfIn PDF document text
- http://mexxeopaint.com/upload/files/vaxifijun.pdfIn PDF document text
- https://guenangequitation.fr/www/site/js/ckfinder/userfiles/files/ranigokodijarososaxuro.pdfIn PDF document text
- http://www.scenekunstskolen-efteruddannelsen.dk/ckfinder/userfiles/files/8700091451.pdfIn PDF document text
- https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c6c9a02ff6.pdfIn PDF document text
- http://multiseal.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/16134e35812ffa---xolakudolikuduruzuke.pdfIn PDF document text
- http://studiomanzetti.it/userfiles/files/24048634746.pdfIn PDF document text
- http://proleague.dk/userfiles/file/33513675169.pdfIn PDF document text
- http://boldogelet.hu/media/90245817698.pdfIn PDF document text
- http://busankid.com/webfiles/board/file///rekumobatoxiletodi.pdfIn PDF document text
- https://softwebstar.com/shop/userfiles/file/pojipozedijumip.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_off00010c3a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C3A | 17824 bytes |
SHA-256: c89f26a81c94f84fa97ecfec2c1e581c6bdbbae374b8001103d07c0819e23f2c |
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font_01_sfnt_off00013aac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13AAC | 10688 bytes |
SHA-256: 2a3f9a47591e88c883f8a1708c354eda725545846622dcdd1251da7201623d61 |
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font_02_sfnt_off00015354.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15354 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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