MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file contains embedded JavaScript and a large number of external URIs, many of which point to compromised websites or disposable hosting. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a link farm designed for SEO manipulation or phishing. The embedded JavaScript likely facilitates the redirection to these malicious URLs, contributing to the overall phishing and malicious content delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://synerhu.ru/uplcv?utm_term=wheat+is+which+type+of+crop
- http://bubblesoflove.net/wp-content/plugins/formcraft/file-upload/server/content/files/160c2d396786ee---31338724343.pdf
- https://www.hosotte.com/ckfinder/userfiles/files/werodazuzinakex.pdf
- https://www.popcaffe.it/wp-content/plugins/super-forms/uploads/php/files/bc010a8199c415ed217d00ccb11b92fa/sopuxuxivoxukijot.pdf
- https://nirmalujjwal.com/public/ckfinder/userfiles/files/vazuzisavobenezifavofeki.pdf
- https://b2cexpressdemo.com/userfiles/file/71602498647.pdf
- https://investainternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c0d9313624---58193015677.pdf
- http://saludocupacionalpso.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/160809472470be---gukexuzujubowib.pdf
- http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/589bb8ee1512b1685acd339b6be94dc3/64901660836.pdf
- http://www.rec39.ru/wp-content/plugins/super-forms/uploads/php/files/eb4839a65f404433c637f06fc85c9903/negoxulezelikuzumoresoj.pdf
- http://universalestetic.com/userfiles/file/bebaf.pdf
- https://sancarspune.com/wp-content/plugins/super-forms/uploads/php/files/41927bda0bcea7e1ebd4b9f654c8b417/gixebixapako.pdf
- http://philippinesroadshow.com/wp-content/plugins/super-forms/uploads/php/files/26fc6910fdec8a4d4cd89a2320e44fa7/giwapirasujitibo.pdf
- https://fellowpeo.com/wp-content/plugins/super-forms/uploads/php/files/076e77dcd461974ccdc94c8c20fd30c0/serolafubis.pdf
- http://cestovni-postylka.eu/userfiles/file/39504756477.pdf
- http://klefmarken.se/upload/file/38347404738.pdf
- http://colorfulmedia.de/fotki/fotki/file/82194658415.pdf
- https://www.shamshabaddiocese.org/files/js/ckfinder/userfiles/files/70221047370.pdf
- https://goldenparadisestsimons.com/wp-content/plugins/super-forms/uploads/php/files/cd38c8052fe720c8c1170a8b0eb4ea6b/furafogigidarokef.pdf
- http://malbreil.com/userfiles/file/jimilo.pdf
- https://admonks.ru/wp-content/plugins/super-forms/uploads/php/files/2eb9b96728e4905950d4463eeac3b795/gipudagavabetiloje.pdf
- http://thaide.org/userfiles/file/gikazozilezirelef.pdf
- http://www.blackhillsdancecentre.com/wp-content/plugins/formcraft/file-upload/server/content/files/160add9df23435---vonuripowawafiwuxukina.pdf
- http://criminisiepartners.it/userfiles/files/ditojoxegukiwaduw.pdf
- http://www.ibadirect.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071a13f5f4cc---72832510140.pdf
- http://bigband-ulm.de/userfiles/files/dizakazuma.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_off0000cc4a.bin8f8562eb900e6636e4df34f1159802a846ea6034a6f80b316addfb46c188f5c7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC4A | 16304 bytes |
font_01_sfnt_off0000f622.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF622 | 16792 bytes |
font_02_sfnt_off00010e39.bin2497ed24edc42e38ee72b13653c1455afe2456bd8ace275df526588854cc16d0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E39 | 10620 bytes |
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