MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF contains embedded JavaScript and numerous external URIs pointing to compromised websites. The heuristics indicate it functions as a link farm, likely directing users to phishing sites or further malicious content. ClamAV detection and ML classification strongly support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9905
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 https://oniceh.ru/uplcv?utm_term=atomic+size+of+alkali+metals PDF link annotation
- http://nguyenthaotech.com/upload/files/bizarurelado.pdfIn PDF document text
- https://matratva.in/userfiles/file/1762860916.pdfIn PDF document text
- https://jmclimatizacionhvac.cl/images/subidas/file/55292950380.pdfIn PDF document text
- http://wellgroup.cz/UserFiles/File/miduvewutovafoluvejaf.pdfIn PDF document text
- http://limobebe.com/userfiles/files/dixesexuxasoki.pdfIn PDF document text
- https://xcheck.vn/uploads/userfiles/file/38404433105.pdfIn PDF document text
- http://totalfinance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161302370e560f---69498472447.pdfIn PDF document text
- http://jtg-antracyt.pl/files/file/71930177857.pdfIn PDF document text
- http://e-photo.lv/ckfinder/userfiles/files/bokixa.pdfIn PDF document text
- http://brodart01.com/wp-content/plugins/super-forms/uploads/php/files/c3g2p9a24dq5ampghihc0vsr61/xuxedojubixokav.pdfIn PDF document text
- http://www.investing-in-women.com/wp-content/plugins/formcraft/file-upload/server/content/files/161360620205fb---21984769659.pdfIn PDF document text
- https://markiza-trade.ru/admin/ckfinder/userfiles/files/98903920181.pdfIn PDF document text
- http://westernmaki.com/uploads/files/resikopatabewen.pdfIn PDF document text
- https://eliteplacementagency.com/uploads/files/susozo.pdfIn PDF document text
- http://reckdance.pl/userfiles/file/xelalewipamaneme.pdfIn PDF document text
- https://comfortinnbarrie.com/phpsites/vertical_living/uploads/file/kexovetixomegovavowozuro.pdfIn PDF document text
- https://gotoko.com/cmsv2/upload/files/lovatoxubidimew.pdfIn PDF document text
- http://backupcenters.com/userfiles/file/89754581056.pdfIn PDF document text
- http://www.jacenter.org/js/ckfinder/userfiles/files/84078947649.pdfIn PDF document text
- https://bibliotheque.ville.deux-montagnes.qc.ca/ckfinder/userfiles/files/dakiji.pdfIn PDF document text
- http://emrc.ie/upload/imagecontent/file/585566706.pdfIn PDF document text
- https://camphacement.vn/upload/files/vibadojazobure.pdfIn PDF document text
- http://uniontsg96.ru/admin/ckfinder/userfiles/files/bolasunifobopofugipez.pdfIn PDF document text
- http://xn--66-6kc8bfmkmjd.xn--p1ai/admin/ckfinder/userfiles/files/gupuborukexijufufiruwa.pdfIn PDF document text
- http://srilakshmienterprises.net/uploads/75580365161.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/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_off0000b247.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB247 | 15400 bytes |
SHA-256: eaa77f4f32e9dfc764c2babb3cd5a034a2994795a799f41f4a8e6bc8bbfb6e02 |
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font_01_sfnt_off0000d98a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD98A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f1a1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1A1 | 10424 bytes |
SHA-256: 17e20f68f7399317a199d122bd62f2d87838ab5b52b32fa6e24d4aeac66953d7 |
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