MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs pointing to various domains, many of which appear to be compromised or disposable hosting. The 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' heuristics indicate a pattern of using these links for malicious purposes, likely to distribute phishing content or second-stage malware. The ML classifier and ClamAV detection strongly suggest malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
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://crysiq.ru/uplcv?utm_term=the+most+elite
- http://accomplishtheimpossible.com/userfiles_ati/file/12176969133.pdf
- https://too.kg/wp-content/plugins/super-forms/uploads/php/files/ff4d62e5a77e3f60521824ed62df05d7/86584643504.pdf
- http://beijingxinzhi.com/userfiles/file/20210619132353_797066934.pdf
- https://cplastik.cz/data/cms/file/49240609167.pdf
- https://easy2ticket.com/upload/files/38364905308.pdf
- http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/n53sc7890ovjll5aote8r60132/46763462358.pdf
- http://indago-rovigo.it/userfiles/files/86037045050.pdf
- http://chothuexeninhbinh.net/data/dulieu/files/sofow.pdf
- https://autoschiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/16075df462ca52---50237978220.pdf
- https://www.die-umzugsfabrik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ca037728547---bavawariwuxipevixaduz.pdf
- http://xn--b1ahhafccpgkb2bxo.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/d250aa96a525e21e44ae49dcf77dc441/daludugimajorupiguf.pdf
- http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098a29d991d8---titukumojikagogukulow.pdf
- https://www.lavishlook.se/wp-content/plugins/super-forms/uploads/php/files/a491e3932ffd4fb76bc878fb5b48e37b/9637404081.pdf
- https://veglifekc.org/wp-content/plugins/super-forms/uploads/php/files//gatebijav.pdf
- http://mabifitness.it/userfiles/files/pusafepazilukozi.pdf
- http://irmascaritasdejesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606d4cceec0ba---bemajoxatanidakake.pdf
- https://eyetracking.pl/userfiles/file/jujixikomiwofadowotar.pdf
- http://amirafouad.com/uploaded_files/file/92935992891.pdf
- https://www.grandiosa.is/wp-content/plugins/super-forms/uploads/php/files/nm6lkcg4bc4ceaaus8lgqadub3/2285114503.pdf
- http://www.farparts.cl/wp-content/plugins/formcraft/file-upload/server/content/files/1606c871a7c10a---19516174177.pdf
- https://agribusiness.pk/wp-content/plugins/formcraft/file-upload/server/content/files/160d4dd5581b72---78673096311.pdf
- https://emergent-partners.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ca1d510f00---55886679395.pdf
- http://lovewhereyoulv.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/59c39b8ab45bdf8af53a06645a53a9ee/xonalorumomegar.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_off0000e298.bin86cab6fb6b2c3a13a95a83d76adfc2d00cc782d3ce8f7472ddd5a32342aed6c0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE298 | 9968 bytes |
font_01_sfnt_off0000f8ad.binab958c4c65fb80d02a2d8a65fb6ccfbb2759501327df8310e2089ce4f50c292a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8AD | 17900 bytes |
font_02_sfnt_off00012746.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12746 | 16792 bytes |
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