MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous URLs, many hosted on compromised WordPress sites or disposable domains, forming a link farm. This suggests the document's primary purpose is to redirect users to malicious external sites, likely for phishing or to download further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://okvino.it/file/95153803408.pdf In PDF document text
- http://kmkonsult.cz/userfiles/file/zakuv.pdfIn PDF document text
- http://jiangsutravel.kr/userfiles/files/20210623_111441.pdfIn PDF document text
- https://xn--80aaaglcftt5alesfkk7f.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/8f2766a2cb533b0c26a9ddacec0523ff/49188196414.pdfIn PDF document text
- http://cesurmakina.com/userfiles/file/dibelamuwidej.pdfIn PDF document text
- http://www.hcibatiment.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160863eda00590---fedegobotigaz.pdfIn PDF document text
- https://iqmuseum.mn/uploads/files/9036534909.pdfIn PDF document text
- http://eros-arena-reutlingen.de/eros/userfiles/file/70193231544.pdfIn PDF document text
- https://www.beachesbrewing.com/wp-content/plugins/super-forms/uploads/php/files/a233f43aa2855da299ea0375e8ad7edd/fofegudavobeledamas.pdfIn PDF document text
- https://claphamjunction.com.au/wp-content/plugins/super-forms/uploads/php/files/0cb391369103605bc4be7a7c037140a2/ponewuriwelimojes.pdfIn PDF document text
- http://innotack.com/userfiles/files/84063548363.pdfIn PDF document text
- https://www.chinacimctrailer.com/wp-content/plugins/super-forms/uploads/php/files/af1f79891be562a057247c6324fe1205/dinitoneb.pdfIn PDF document text
- http://r2doodles.com/clients/4/4a/4a4ed909dcef54c1e3ec6a0ce1d29f2d/File/ferazoxititinunuge.pdfIn PDF document text
- http://andreagarciam.com/wp-content/plugins/formcraft/file-upload/server/content/files/160883625dd4a4---lavedisobetot.pdfIn PDF document text
- https://vallejardin.com/wp-content/plugins/super-forms/uploads/php/files/d448e6508c480bb2f4d221aa87853b63/zerebagugatupep.pdfIn PDF document text
- http://nd-58.ru/wp-content/plugins/super-forms/uploads/php/files/14eb1c679444602c0dd870fa4c3a588f/polavinofiveloje.pdfIn PDF document text
- http://schouteninterieurwerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a0dcf16caee---89156575450.pdfIn PDF document text
- http://www.kidnuri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608550c325029---jivotu.pdfIn PDF document text
- http://makaifruits.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079f109eb5a3---85778251421.pdfIn PDF document text
- http://altelaw.com/uploads/image/file/19208910650.pdfIn PDF document text
- https://almondzwealth.com/administrator/imagetemp/file/22729774239.pdfIn PDF document text
- http://superfishinglewood.com/uploads/files/29764138434.pdfIn PDF document text
- http://www.colegiometa.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/160b17ff02f257---vojozoxadapiwaxabuwa.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=fill+in+the+blanks+movie+quizPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c425.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC425 | 10852 bytes |
SHA-256: 1a61063f7ecb482c8692e9f37fe1f9e400020049ce2a3f522cfe0c1e0df98db8 |
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font_01_sfnt_off0000dd0d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD0D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f51f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF51F | 17476 bytes |
SHA-256: b3e02353e2d2e446676b50e9752218aaec88ed14e4c984a229373a3b05314762 |
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