MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, directing users to multiple compromised or disposable hosting sites, likely for phishing or malware distribution. The presence of numerous PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM firings supports this, suggesting an attempt to exploit search engine optimization or compromised content management systems to host malicious content.
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://www.focus.mu/wp-content/plugins/super-forms/uploads/php/files/04fe0a59b41f4d2a2319dd502b895ec7/botekunopu.pdf
- https://unicornccc.com/ckfinder/userfiles/files/radozovujivelom.pdf
- http://facilitymanagementassociates.com/survey/userfiles/files/xozodagusabujomujesa.pdf
- https://unicornproduction.gr/wp-content/plugins/super-forms/uploads/php/files/8b8b008eb5a61bcdb045f296a372eef9/wefazuni.pdf
- http://dhsclassof70.com/clients/d/d1/d13f49183e6b2ef720c1f353b43de0f2/File/92114914691.pdf
- https://joepromenshealth.com/wp-content/plugins/super-forms/uploads/php/files/27cf104624604488774e5f4067b185f2/47662546224.pdf
- https://web-sila.ru/wp-content/plugins/super-forms/uploads/php/files/f14536019af02aa565249828a18f0a2f/jolunumevebis.pdf
- http://gomientrung.vn/uploads/image/files/zazeto.pdf
- https://www.aceitedeoliva.com/wp-content/plugins/super-forms/uploads/php/files/a25cfe08c99af3229aad29081d564612/rutodinofexiwagevekejur.pdf
- http://transinfosoft.com/userfiles/file/zuxurani.pdf
- https://www.kunapak.com/wp-content/plugins/super-forms/uploads/php/files/volm7b1u3ae1em471iuvahkvu8/131296412.pdf
- http://andrelandberg.com/userfiles/file/14574647243.pdf
- http://www.canadiantreasurer.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c1b4cde53c1---vutagepilenut.pdf
- https://vaytieudungtragop.com.vn/wp-content/plugins/super-forms/uploads/php/files/jmkj31emgfa1jcdkg4i74p2qrc/tusenawezib.pdf
- https://www.popcaffe.it/wp-content/plugins/super-forms/uploads/php/files/dac6532b8ee2d4bab6a9967299087122/rodiserufoxisaf.pdf
- https://kurtoglumob.com/upload/file/42182306868.pdf
- https://www.alignerco.ca/wp-content/plugins/super-forms/uploads/php/files/208f751e148d7143a6d57aaa35d9ffe0/dojigofubiguwulafedi.pdf
- https://divorcioconsensual.com.br/wp-content/plugins/super-forms/uploads/php/files/bbab2cec4a91bf7a6046490dcc55e2e6/39125637851.pdf
- https://t2sc.me/userfiles/gifuwirakofaxetomanolivat.pdf
- https://djennebeads.com/nbloom/fckuploads/file/rosazulo.pdf
- https://amagi.la/wp-content/plugins/formcraft/file-upload/server/content/files/160c129cdf0256---2138874128.pdf
- https://esteticarcare.com/wp-content/plugins/super-forms/uploads/php/files/4152c6a1ff69f0f6bbe41302a0f00cb2/60268285303.pdf
- https://www.darrellstuckey.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d934ce1aa9---2861805817.pdf
- http://matstravel.ru/userfiles/file/wubiparotasoti.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=best+companies+to+work+for+as+a+college+student
- 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_off0000fe43.bin9bc4d7c5ad42c8a91e896e9c5ef5755b194d1c5b7d9954b544990c8985766e6e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE43 | 17688 bytes |
font_01_sfnt_off00012ce3.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12CE3 | 16792 bytes |
font_02_sfnt_off000144fa.bin9189beebfd6a580e63852e05bac9f9613e48e8f66d70b646cb08ccbc08676c60 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x144FA | 11292 bytes |
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