MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm with numerous URLs pointing to compromised WordPress sites and disposable domains, as indicated by the 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' heuristics. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or distributing further malware. No scripts were extracted from this sample.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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 http://aire-limpio.com/img/editor/file/47924496828.pdf
- http://sarlampa.ru/upload_picture/84383658370.pdf
- http://escolacaritas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160731583bcec3---zadujip.pdf
- https://maugli24.ru/wp-content/plugins/super-forms/uploads/php/files/32b2774ee22b31a805f2ca6508ceb32f/61401529679.pdf
- https://tuabogadoangel.com/wp-content/plugins/super-forms/uploads/php/files/f07e8a0461982d0f6326ed070daf26e7/fofidosuvutizitebiwubusev.pdf
- http://2girlstrippin.com/wp-content/plugins/formcraft/file-upload/server/content/files/160863fd98de19---45048899425.pdf
- https://accesoriosalmayor.com/images/userfiles/file/21352462482.pdf
- http://www.commandinglife.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cc1deb45d4b---dejutivubokevarivuraw.pdf
- https://ceilford.org/wp-content/plugins/super-forms/uploads/php/files/3fe043ce6a0d9e7cf61e4eb033811aa9/65725094986.pdf
- http://cafemsoffice.com/userfiles/files/wemokafubigogodojo.pdf
- http://penoplex24.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607e88cdaf885---memujolapi.pdf
- https://apparel.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/5c2173caafc8069cbd825ced5954f832/93424522050.pdf
- http://aldara-latinoamerica.com/userfiles/file/39080151406.pdf
- https://www.mybizwebsites.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3ea9c42a5b---32221332256.pdf
- https://people11people.gr/uploads/File/direpijulixubadikil.pdf
- https://na-nule.ru/wp-content/plugins/super-forms/uploads/php/files/uvpjahpebm3rd9bl0iuhdgkkb5/pedufitaji.pdf
- https://www.tangelo.no/wp-content/plugins/formcraft/file-upload/server/content/files/160921550a774c---85548418763.pdf
- http://savvyais.com/userfiles/file/83064850926.pdf
- http://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607eec5ce9e10---dujaxeru.pdf
- https://forcechicago.com/wp-content/plugins/super-forms/uploads/php/files/52732e17a8c63db2f4a00bd766a73c72/sunusataxasebeguvurujojuw.pdf
- http://progfin.pl/userfiles/file/nezavegewaniwujafopef.pdf
- http://www.brennholz-heinlein.de/wp-content/plugins/formcraft/file-upload/server/content/files/16071a00877f9e---26714545230.pdf
- https://lashmakerpro.it/wp-content/plugins/super-forms/uploads/php/files/92mrunm3uu2g8slca5qt6ffqg4/minonezirosuveg.pdf
- https://arizonalightingsales.com/wp-content/plugins/super-forms/uploads/php/files/eb815c5882506cf0549475896c517182/xinuzegiwisomegedumonuje.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=does+purified+water+go+bad
- 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_off0000eca8.bin77fe0cac838d6658389918abe0d4fff79ad2c0264c449c96fd432b1e73d99c1d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECA8 | 17292 bytes |
font_01_sfnt_off000119d5.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x119D5 | 16792 bytes |
font_02_sfnt_off000131ec.bin3f6f74eb3df1691a2e1cd87155423c6454a78684fe3192a231edb37ec0bf94fe |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x131EC | 10848 bytes |
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