MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as Pdf.Phishing.Trojan. The file contains numerous external URIs pointing to compromised websites and link farms, suggesting a phishing or malware distribution attempt. No scripts were extracted, but the presence of embedded URLs indicates the document's likely purpose is to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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://coretry.ru/uplcv?utm_term=exercicios+de+ora%C3%A7%C3%B5es+coordenadas+e+subordinadas+com+respostas+pdf
- https://www.inkfactory.pk/wp-content/plugins/formcraft/file-upload/server/content/files/160773ad3001d6---jumepenaxowodotut.pdf
- https://nowackleverkusen.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a95ed1a7118---zafugib.pdf
- https://gearforfree.com/wp-content/plugins/super-forms/uploads/php/files/gsp2bmpuog1o26qkrr2ks2el9k/bukojisipan.pdf
- https://dipinkrishna.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ca2c4c8ee4---89066809433.pdf
- http://csc0535.com/userfiles/file/20210610125349_pguuzu.pdf
- http://totalfinance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160a60597edb80---lolotagatevuxewabex.pdf
- https://floridaholidayplanner.com/wp-content/plugins/super-forms/uploads/php/files/e3cb4b82ed5f5610420305b7d988abc2/zusagixixebusonenurapedar.pdf
- http://www.kreasoft.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160762f279c808---57100542286.pdf
- http://jkphotocon.org/data/userfiles/files/povuno.pdf
- http://erbilsunhotel.com/wp-content/plugins/super-forms/uploads/php/files/9sn3g8u0nbla753b1rq2ijs1k0/betosuxedaki.pdf
- http://wangyiphk.com/userfiles/regewipiz.pdf
- https://envomask.com/wp-content/plugins/super-forms/uploads/php/files/4226ba8c7209ee2c8e2d741b6f3282ec/9187297689.pdf
- http://ore-processing.ru/d/files/zabobinatezed.pdf
- http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/rg2m777nr6v3jlds4ub4l8lc21/43743175253.pdf
- https://omomediacion.com/wp-content/plugins/super-forms/uploads/php/files/0ad183a46f38100e7dde60182efb4710/zimupidumib.pdf
- https://rmp-traueranzeigen.de/cms/files/nipirikoturebi.pdf
- http://www.morrisjones.co.uk/EditorImages/file/fukepi.pdf
- https://higher-reason.com/wp-content/plugins/super-forms/uploads/php/files/5vdskqk8kt0h4jncq3v2kgotgd/62533254396.pdf
- http://alda.pl/ckfinder/userfiles/files/puvezegaxeveva.pdf
- https://airbays.com/userfiles/file/888997589.pdf
- http://hbisan.com/userfiles/file/14556733429.pdf
- http://www.dj-csnl.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a5e41783d84---36914209918.pdf
- http://www.cascinasorigherio.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607d9c4d5c321---40041677541.pdf
- http://studiolauramoschini.it/userfiles/files/76732247909.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_off0000ea73.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA73 | 16792 bytes |
font_01_sfnt_off0001028a.bin345a80bf88239c6b35393dc26da4a276e7c23699a98ab2b73e8064b2f2b922b1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1028A | 11480 bytes |
font_02_sfnt_off00011cf2.bin487337d3f966d336a163be226edc2087445163e7f0d9c0e7d8709713a097947a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CF2 | 19160 bytes |
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