MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded URLs, many of which point to compromised CMS upload directories and disposable domains, indicating a link farm designed to lead users to malicious content. Heuristics like 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' and 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly suggest this malicious intent. The ML classifier and ClamAV detection further support the classification as malicious, likely for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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 https://xn--i1aam8cb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/eac8ab2c841a52aec33550ac809c94ce/jevuzase.pdf
- https://apparel.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/282038f3320d4d23b5287cfca44edfb4/gegomibubumufolelixelar.pdf
- http://cambresisemploi.fr/ckfinder/userfiles/files/16023472058.pdf
- http://beiwendq.com//data/attachment/file/xevomudilawesogoguguwus.pdf
- https://atraba-holding.com/userfiles/file/43035216773.pdf
- https://www.darrellstuckey.com/wp-content/plugins/formcraft/file-upload/server/content/files/160adc838146d1---leliwojodefa.pdf
- http://jjmcp.jp/userfiles/Image/file/xovigagibokogepuravi.pdf
- https://www.taxiserviceh24.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac1962ef35b---tedanemoke.pdf
- http://wildpflanzen-planung.de/file/54826985213.pdf
- https://mygamedaysports.com/wp-content/plugins/super-forms/uploads/php/files/bd3f5802b0bbbdbafd721947f5e25881/xuziw.pdf
- http://anonelectronics.com/admin/fckeditor/editor/filemanager/connectors/php/upload_jpg/file/202105040359417092.pdf
- https://nothingbutsafetyglasses.com/userfiles/file/10071404780.pdf
- https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/6ec9e2525695da527bf412d4aca0f66b/petadelidovidawazuse.pdf
- http://digimaap.com/wp-content/plugins/super-forms/uploads/php/files/klch79r6o59btjltpih4muo3qs/79216283977.pdf
- https://accesoriosalmayor.com/images/userfiles/file/35824537732.pdf
- https://go2germany.ru/files/file/nosarofun.pdf
- http://novussiteyonetimi.com/uploads/file/rilujitevevipoxip.pdf
- http://www.rlktechniek.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a3fdc5783cb---zomodedewelopufawijiwunu.pdf
- http://moveisgarciadigital.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608d157526f2f---70634323888.pdf
- https://www.pfgpartners.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1606d7f8a96fdf---zibilibojelawu.pdf
- http://www.allatpatikapecs.hu/images/file/97807325933.pdf
- https://chris-arnold.com/userfiles/file/4414027360.pdf
- https://fa-vietnam.com/webroot/img/files/94411536086.pdf
- http://megat.pl/uploaded/fck_files/file/vefujulojumuko.pdf
- http://msamerica.net/clients/873634/File/98385293594.pdf
- http://xn--80aantfcaehjbxzf1m.xn--p1ai/userfiles/file/diduvorofos.pdf
- http://slowjamsundays.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082a28eb8cdd---rufir.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=it+aims+to
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f3b5.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3B5 | 16792 bytes |
font_01_sfnt_off00010bcb.bin43fcd95d0956523c4991a9bf323782b54202f9c6d43338eb68fbd3ea8ec2ceee |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BCB | 9836 bytes |
font_02_sfnt_off0001216b.bin8cf308637bd78690c8962d67473fa493ad2894b12d25208beabcd70ad3aad8b8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1216B | 18440 bytes |
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