MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as a malicious PDF by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous external links, many pointing to compromised WordPress sites and disposable hosting, suggesting a link farm used for phishing or malware distribution. The presence of PDF_URI and PDF_SEO_DISPOSABLE_LINK_FARM heuristics further supports this. No scripts were extracted, but the overall structure and URL patterns are consistent with a phishing or malware delivery campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 6
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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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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://smidgel.ru/uplcv?utm_term=energias+renovables+concepto+pdf
- http://muszempilla.com/files/file/39772014282.pdf
- https://technok.cz/wp-content/plugins/super-forms/uploads/php/files/42c9d96a15257031f3eb509db747ef24/lagowuluzoraxi.pdf
- https://taevlingar.se/images/pages/file/51258209612.pdf
- https://sarna-zapiekanki.pl/ckfinder/userfiles/files/mupasijen.pdf
- http://escalierdurire.fr/ckfinder/userfiles/files/vopafomitevojabaperur.pdf
- http://beijinghuojia.cn/userfiles/file/83473589111.pdf
- http://emanuelarombiarchitetto.eu/userfiles/files/wuminidusu.pdf
- http://dossalas.com/wp-content/plugins/super-forms/uploads/php/files/2b69325a9e36014e325528ef192577c4/99184070948.pdf
- https://castilloexterior.net/ckfinder/userfiles/files/motivagosebaxot.pdf
- http://www.uppld.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607363b896f63---14902344069.pdf
- http://gpe-el.pro/ckfinder/userfiles/files/masanuze.pdf
- https://viajespereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c28584bd995---wurosevetijevubedaj.pdf
- http://www.communityheroesproject.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c84e9c68678---jalujavepo.pdf
- https://patoman.ro/ckfinder/userfiles/files/7101112017.pdf
- http://mai-colle.jp/userfiles/file/91449700169.pdf
- http://www.ellisrasbetonwerke.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160b038e6acadf---jabejakenivararojajax.pdf
- https://gfow.om/wp-content/plugins/super-forms/uploads/php/files/8d9ae7pp5hmatnu7b5e3jddkh6/xezamotutuxidir.pdf
- https://slavica.ru/wp-content/plugins/super-forms/uploads/php/files/fbd9a039e69a201257a488ff248d7b54/88900821037.pdf
- http://grani-tonkogo-mira.ru/wp-content/plugins/super-forms/uploads/php/files/73ae9e656464fc18ce5f522e3e0c2b96/roxux.pdf
- http://epoxidice.ro/mm/file/5614841300.pdf
- http://lalitas-thaimassage-spa.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607466a8cc24c---58977234810.pdf
- http://chinalabware.ru/d/files/xurujuzijavepagibunow.pdf
- https://www.businesswatchguardingservices.co.uk/wp-content/plugins/super-forms/uploads/php/files/jttcp2fajksku9ebdnci8cg04t/leruzowirarukinapefo.pdf
- https://abril.pe/wp-content/plugins/super-forms/uploads/php/files/uu4lgmkm26h8vvgdvdf2m796sn/42063717081.pdf
- http://insureavisitor.com/userfiles/file/zaxizoxo.pdf
- 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_off0000e54f.bin171ced1af31fbd9abcd51a729806ecb02463970e5a74dc27b093787e8fb2fa78 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE54F | 18528 bytes |
font_01_sfnt_off00011494.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11494 | 16792 bytes |
font_02_sfnt_off00012cab.bin8b9e9c1535598c8a6e4db1ffe6f54ff4012a91cc9a416c3a564a84252080edab |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12CAB | 10984 bytes |
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