MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links pointing to compromised WordPress sites and disposable domains, indicating a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely involving exploitation or redirection to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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 http://stroisvias.ru/userfiles/file/lopoxudifise.pdf
- http://alconburyreunion.com/clients/36523/File/kopod.pdf
- http://conblocmanado.com/pics/file/zozixexedonarifobini.pdf
- http://dom-nenilovo.ru/wp-content/plugins/super-forms/uploads/php/files/5a2b9a2301faa95585fa0898b0a61c1e/favutusu.pdf
- http://100gastro.cz/soubory/files/61948739409.pdf
- http://famcareconnect.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608f68a7de3c3---vefuw.pdf
- http://silverleafspa.ca/clients/10619/File/57353100738.pdf
- http://kraljicabih.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c757fdc7896---400887.pdf
- https://kisikana.hr/userfiles/file/79469492954.pdf
- https://avis-medical.ma/wp-content/plugins/super-forms/uploads/php/files/6453b011a76f4c25e2e67262d5a35395/30196000713.pdf
- https://big-affaires.com/img/pics/files/88809768476.pdf
- http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/1606c8a6228b26---nawaso.pdf
- https://qamarapps.com/wp-content/plugins/formcraft/file-upload/server/content/files/160873ed8c3bec---88600589799.pdf
- https://beautyyaurient.com/editor_upload/file/21232419516.pdf
- https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/19ea2414da39de9687430d50b0e3ed25/56312987047.pdf
- http://springswellness.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607ceb15cda87---74781431315.pdf
- http://glina-master.ru/admin/ckfinder/userfiles/files/tivimakotogaj.pdf
- http://www.fotografoeventimilano.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cb3c8ba560---1986399995.pdf
- http://bazatalty.pl/wp-content/plugins/super-forms/uploads/php/files/9272526b498c7898c19ff6224a5746de/pemapuwal.pdf
- http://www.rolstoellift.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fc4b5b63ba---11762564087.pdf
- https://kindliving.org/wp-content/plugins/super-forms/uploads/php/files/tmp/zidefapunelozedufosogab.pdf
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1609735d9b48af---27783696275.pdf
- http://uleshuzatshop.hu/files/file/wofilopudurikez.pdf
- https://kassa-evotor.ru/wp-content/plugins/super-forms/uploads/php/files/7t3j41sg7vq43018ssch1526mj/zamukenutipuvimi.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=marinade+with+brown+sugar+and+soy+sauce
- 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_off0000f807.bin5fb9956b0ba4e75af772818a0b717721cbeaea365896b5f2e374632897171ead |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF807 | 17796 bytes |
font_01_sfnt_off000126ec.binc1e90680c54b83f4056c49678d0a9f775cf08cbd8bc4d3f253a8eb3d322da576 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x126EC | 11036 bytes |
font_02_sfnt_off00014065.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14065 | 16792 bytes |
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