MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URLs, many of which point to compromised CMS uploads or disposable hosting, indicating a link farm or phishing attempt. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware distribution via these external links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://medvor.ru/uplcv?utm_term=polypropylene+recycling+number PDF link annotation
- http://arcomproltd.com/userfiles/file/gafepiwogivikelepewamalid.pdfIn PDF document text
- http://pol2-simf.ru/userfiles/file/38729662215.pdfIn PDF document text
- https://profipreklady.cz/www/ckfinder/userfiles/files/75718844095.pdfIn PDF document text
- http://ky-auto.com/uploadfile/files/14882936516.pdfIn PDF document text
- http://textingrights.com/userfiles/files/54451244806.pdfIn PDF document text
- https://chambres-lannion.fr/userfiles/file/getarewagisoraji.pdfIn PDF document text
- http://matras-devison.ru/upload/file/lufevideli.pdfIn PDF document text
- https://www.ezhealthcheck.com/wp-content/plugins/super-forms/uploads/php/files/sfdr5ee195nmoeoi373msq90n6/pepovikobadiwaziguni.pdfIn PDF document text
- https://www.fmworks.com.tr/wp-content/plugins/super-forms/uploads/php/files/lhjbmmr1vis85t6d3j2t3hlhe7/bonifer.pdfIn PDF document text
- https://delphin-bau.com/ckfinder/upload/files/mifigesubaf.pdfIn PDF document text
- https://milosislandrooms.gr/userfiles/file/zevibowivizeduk.pdfIn PDF document text
- http://www.santamyoga.be/images/file/vijaj.pdfIn PDF document text
- http://ipayon.com/root/FCKeditor/file/nutegax.pdfIn PDF document text
- http://mmbassisiprovince.in/files/js/ckfinder/userfiles/files/33773004721.pdfIn PDF document text
- https://dcoderesearch.com/uploads/pisanojodivamifivare.pdfIn PDF document text
- https://www.vpn-solutions.com.pe/ckfinder/userfiles/files/90673981494.pdfIn PDF document text
- https://macauroommate.com/ckfinder/userfiles/files/75073480544.pdfIn PDF document text
- http://europeanprofservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/161412cab3375d---duliga.pdfIn PDF document text
- http://gerd-pollak.de/userfiles/file/muwirubap.pdfIn PDF document text
- https://defrokatilai.lt/images/files/kuriwiredofuzezonat.pdfIn PDF document text
- https://www.milestonesmn.org/ckfinder/userfiles/files/gixazogi.pdfIn PDF document text
- https://aspit.ro/imagini_ws/bizogofategovirilinuf.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010e0c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E0C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001261e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1261E | 20748 bytes |
SHA-256: 54ee9a54e156b8e88db280b4d8ee636a48b786ffa3e86810246fb0d4530ea51e |
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font_02_sfnt_off00015cbb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15CBB | 10644 bytes |
SHA-256: 429a3cc195a4b6487bbd0fd6a30074ce7206d696822e7c2cac472c029a1d0801 |
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