MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs pointing to compromised WordPress sites and other disposable hosting domains, indicating a link farm designed to redirect users. Heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' strongly suggest this malicious intent. The ClamAV detection and ML classifier further confirm its malicious nature, likely serving as a phishing or malware distribution lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
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://krisoc.ru/uplcv?utm_term=canal+du+midi+map+pdf
- https://contact-house.com/fckeditor/upload/file/71773146267.pdf
- https://realestateconnect.pro/wp-content/plugins/super-forms/uploads/php/files/5ek50nqgc02bjb3349278qok84/19588022303.pdf
- http://www.santabriganti.org/admin/ckfinder/userfiles/files/43112465721.pdf
- http://mashtalkandil.com/userfiles/file/wazibafuxudijobigolaxas.pdf
- http://parzenica-bialka.pl/userfiles/files/nuputozafu.pdf
- http://vnos.vn/app/webroot/uploads/files/tuwiwaleruvalom.pdf
- http://akgikorea.com/file_upload/fck_upfile/file/91051717536.pdf
- http://ubest.ru/images/file/bukufeperigedi.pdf
- http://kursadowicz.pl/Upload/file/rakapokefomuja.pdf
- http://autodilykanka.cz/cmsimple/images/file/64714284515.pdf
- https://bilalyapidekorasyon.com/userfiles/file/xogudifofulibalolefot.pdf
- http://xn--42-jlclgg6a3e.xn--p1ai/userfiles/file/dawovojogokamuxabower.pdf
- https://finestblogger.de/wp-content/plugins/super-forms/uploads/php/files/tss7bn1c9muhl7mbrpvlfp73ul/nadorilapad.pdf
- http://windcampus.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c9cdd0712ca---gikebajajewimaneko.pdf
- https://www.crossfitparamaribo.com/wp-content/plugins/formcraft/file-upload/server/content/files/161175835dda38---somawa.pdf
- http://bearings-home.com/userfiles/file/favaxagofagosumi.pdf
- http://slsnn.ru/content/files/41451044790.pdf
- http://sy-smile.com/upload/files/73959618418.pdf
- http://andreagarciam.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607752be51051---59044495026.pdf
- https://themodernla.com/wp-content/plugins/super-forms/uploads/php/files/2b8339a42f253fcc1bbeb2f67ae8966a/denupagejamifarutugim.pdf
- http://hamkr.com/userData/board/file/sifojukixazixidozutiz.pdf
- https://www.hinogas.com/wp-content/plugins/super-forms/uploads/php/files/76dvd8ecm4oe93e3t7lm44gs98/78442652263.pdf
- https://www.pferde-fuer-unsere-kinder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b5dfd2cfe31---misovejofujuvafabepovil.pdf
- https://lokmangal.co.in/wp-content/plugins/super-forms/uploads/php/files/68066dd8b2dbc023f9ac0c31052710db/50625074526.pdf
- http://box8websites.com/ckfinder/userfiles/files/341196575.pdf
- https://washlounge.in/ckfinder/userfiles/files/towekuviwujumapugeb.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_off0000e3e4.bin02c1ec3aa9c03f99c3717c95ff01d7f694e54eb44c7ee5246634211c12a15dcd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3E4 | 20520 bytes |
font_01_sfnt_off0001199d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1199D | 16792 bytes |
font_02_sfnt_off000131b4.bin7429394e6cc2182f5c8ee1d372d00535acf08016221c249030f5921580bb4b19 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x131B4 | 10172 bytes |
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