MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, indicating a phishing or malware distribution attempt. It contains numerous embedded URLs pointing to compromised WordPress sites and disposable hosting, suggesting it functions as a link farm to redirect users to malicious content. The presence of PDF-specific heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://laborke.ru/uplcv?utm_term=what+kind+of+bugs+do+lizards+eat
- http://guoyangmoju.com/userfiles/files/jewizipelosu.pdf
- https://allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/3817363f243305abb5f85d5af13b0474/87947123376.pdf
- https://aadhaarretail.com/administrator/imagetemp/file/jigugu.pdf
- https://emergent-partners.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6d4ac06ed4---77985002978.pdf
- http://www.linkkorea.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/160c5c53267a63---serakukigilewewufulijo.pdf
- https://atlastoursntravels.com/userfiles/file/kewibuburovosevovarorupe.pdf
- https://angkalaris.com/contents//files/30388914360.pdf
- https://ahha.az/userfiles/file/73250597270.pdf
- https://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afa51034fb4---viweve.pdf
- https://canvasations.com/wp-content/plugins/super-forms/uploads/php/files/kj16cq9hg5cogtend6f4pqumd3/papekuzuxedetisijurevavi.pdf
- http://bluecars.pl/userfiles/file/97694592522.pdf
- http://soleilboo.com/images/uploads/files/vazabelevogejetulaseburit.pdf
- https://mariellatriolo.it/public/file/44905070758.pdf
- https://www.financedeclined.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1609dbbd6f35d3---98538854050.pdf
- https://jdbailbonds.com/wp-content/plugins/super-forms/uploads/php/files/1bd20289817a3aa7246e99209d5eca4f/81516991445.pdf
- http://asupuro.com/user_data/image//file/20764757528.pdf
- http://anonelectronics.com/admin/fckeditor/editor/filemanager/connectors/php/upload_jpg/file/202106020144406110.pdf
- http://www.altrus.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1609fbaf9ddfec---45100002565.pdf
- https://imagebuzz.net/ckfinder/userfiles/files/siguwe.pdf
- http://magogaralbamoble.com/galeria/files/modasogop.pdf
- http://neonatal-surgery.ru/userfiles/files/27035382985.pdf
- http://www.aluvascientific.com/UserFiles/file/9018377334.pdf
- http://work4shop.cz/userfiles/file/99385977586.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_off0000e584.bin5b36a898e6b0d515969947221771a34df0b9a34538954b38c5dfbb5004341df6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE584 | 16080 bytes |
font_01_sfnt_off00010ee9.binbc393080b0e5b574fc1daf686ebb4b9699e314d4982214fd4bf82cff83d4bc6b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10EE9 | 11020 bytes |
font_02_sfnt_off0001284c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1284C | 16792 bytes |
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