MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a high likelihood of malicious intent. It contains an embedded JavaScript stream and numerous URLs pointing to compromised WordPress sites and disposable hosting, suggesting it functions as a link farm to distribute phishing content or further malware. The presence of JavaScript indicates an attempt to execute code within the PDF viewer.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://chcial.ru/uplcv?utm_term=happy+birthday+daughter+tamil
- https://zweiund40.com/wp-content/plugins/super-forms/uploads/php/files/cppa1mr8tk5de6l8esh8b1hlkh/58833048353.pdf
- http://www.ebsjosepirosamaria.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c6e83baea2---wuvununajapusef.pdf
- https://www.frontierexim.com/wp-content/plugins/super-forms/uploads/php/files/md2nuq8v997b3co761lt3bj10h/rivawudamaguxalezitenuno.pdf
- http://slsnn.ru/content/files/dolural.pdf
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c054c3d60d1---61888463926.pdf
- https://kassa-evotor.ru/wp-content/plugins/super-forms/uploads/php/files/jpoer90h1plmksahgvpim970j1/33793546072.pdf
- http://champaigncursillo.com/userfiles/file/1672025438.pdf
- https://www.amiunaorchestra.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160be7d2c28cc2---52058738896.pdf
- https://cesiedizioni.com/userfiles/file/fipinemu.pdf
- http://hagelkonzept.de/userfiles/file/22593038884.pdf
- http://careerdynamic.com/clients/3/3d/3d9dba0a3645e5854abf1db7654b9c86/File/90194543994.pdf
- http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/lfb0943mvh78ff3bmt1ls12lq5/lujezedajujibixasebix.pdf
- http://uyaviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d0e265010c---berowej.pdf
- https://www.verpoort-bouw.be/wp-content/plugins/formcraft/file-upload/server/content/files/16080a1bf22c55---bugavo.pdf
- https://mandalaconfeccao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16093f9b4856fa---53928161667.pdf
- https://kicksomeglass.com/wp-content/plugins/super-forms/uploads/php/files/409bf1cd322f1f98b78ac11ed2be7654/zafuko.pdf
- https://xlux.vn/wp-content/plugins/super-forms/uploads/php/files/n9facgfmnihaqnbpc5q3m4p1r5/sikutugogidin.pdf
- http://www.reroofingbrisbaneqld.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1606f3acc1d70c---14893923084.pdf
- https://mls.lighting/wp-content/plugins/super-forms/uploads/php/files/17ffdefe682b7113a9d62d2a5d9c3cf6/mimozusofijurolu.pdf
- http://airfa.it/userfiles/file/69632475332.pdf
- http://konferencii.org/js/ckfinder/userfiles/files/zujorelegepegode.pdf
- https://amerismithenterprises.com/wp-content/plugins/super-forms/uploads/php/files/d05b9d26207d64f922a38e2ee3a46334/fegasedosetorogowikijazad.pdf
- https://www.havanasalsa-dance-tours.com/wp-content/plugins/super-forms/uploads/php/files/2ee1bb0adaf693d50a7abc099cb1f5a6/17235333480.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_off0000ec2c.bin884d967b42dc42c4c9ae114c009207c6fa1226db9b93990ddb2adf868b923d4c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC2C | 10792 bytes |
font_01_sfnt_off0001048a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1048A | 16792 bytes |
font_02_sfnt_off00011c9c.bind522855e63b6392e0c14411a0c86472ffaffb88aa351fdd4438442b1aa629bdc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C9C | 17164 bytes |
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