MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. The document contains numerous embedded URLs, many of which point to compromised WordPress sites and disposable hosting, suggesting a link farm or redirection mechanism. The presence of these links indicates an attempt to direct users to malicious websites, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://infrive.ru/uplcv?utm_term=introduction+to+business+organisation+ppt
- https://f1com.ge/wp-content/plugins/super-forms/uploads/php/files/79fe6275b30caa6fd612296bcae0798e/49399418837.pdf
- http://sl-light.ru/design/img/upload/file/79984317353.pdf
- https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/3do5ouqv78c2f0acjs8slm0ka5/kesixevexuwenerufupufu.pdf
- http://www.191seo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a41d67e876---33335150280.pdf
- http://www.marcado.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16072339fa39f6---dirilofel.pdf
- https://asaptransfers.co.uk/wp-content/plugins/super-forms/uploads/php/files/hr8rvf7bvdvdvl2ou11gbs85d6/75823177540.pdf
- https://www.ediliziaindustriale.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081552db4a4c---kovafaxina.pdf
- https://esteticarcare.com/wp-content/plugins/super-forms/uploads/php/files/2de3250d4112fb0694f430c06fb299a7/56488801640.pdf
- https://jennysbooks.com/wp-content/plugins/super-forms/uploads/php/files/2abab0bd455d927edf45b3ca8162dff4/xanopizagu.pdf
- http://xn--h49al33a2zdp0eo1x.com/DATA/file/20210611211107.pdf
- https://www.ndgai.com/wp-content/plugins/super-forms/uploads/php/files/9ivouo0kqi2baiffi432tnm3bg/fudewinopaleg.pdf
- https://roofmed.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607faac0cf359---ruzutixitim.pdf
- https://www.hagensmarketing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d04e8cab89---17183051594.pdf
- https://dcoderesearch.com/uploads/kepexibijebagimoka.pdf
- https://hosvagyok.hu/userfiles/file/83985598852.pdf
- http://baheth24aqari.com/ckfinder/userfiles/files/juzijolefez.pdf
- http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/qtnkgm1ri550jpva4dhh77qpp5/39176750900.pdf
- https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/d97a1672fb2c8526e3db9c5da7416e5f/velujosepoziwawojip.pdf
- http://cs-web-design.de/ablage/userfiles/files/46285077409.pdf
- https://beaufortbond.com/wp-content/plugins/super-forms/uploads/php/files/ec559eb5780a2cbac64476f26142f9cd/xafabanukalitewupoxuf.pdf
- http://4grd.com/cmsimages/file/56380070424.pdf
- https://borderpak.com/wp-content/plugins/super-forms/uploads/php/files/f52dc60f3a1b583d0229e62606400645/gitatakizuvugokenerogaluw.pdf
- http://zuche0551.com/upload/file/80137289797.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_off000108f2.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108F2 | 16792 bytes |
font_01_sfnt_off00012109.bin8ee2f6e1a7dd1852ed081e0e8492f34c3650b561b6faa09100b2350aed4244e5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12109 | 10832 bytes |
font_02_sfnt_off000139bd.binc364fa89b81c105243286c5ee1ad38784ddecdaf8add85243755ece4a37e014e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x139BD | 18004 bytes |
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