MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded URLs, many of which point to compromised WordPress sites and are structured as a link farm. The ML classifier and ClamAV detection strongly indicate maliciousness. While no scripts were explicitly extracted, the nature of the embedded URLs suggests a phishing or malware distribution attempt, likely initiated via spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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://iglozawiercie.pl/zdjecia/file/82870702678.pdf In PDF document text
- http://belgium-ex.com/images/blog//file/58376873388.pdfIn PDF document text
- https://www.reparaciondebomba.com.ar/wp-content/plugins/super-forms/uploads/php/files/cjjsmlvdaodo3nc543rcus6980/46970754903.pdfIn PDF document text
- http://www.lavalledesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607978a662183---83335015383.pdfIn PDF document text
- http://fantasypartyentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b23a95980bf---18458134408.pdfIn PDF document text
- http://mousike.it/img_ins/files/64893953767.pdfIn PDF document text
- http://everest-c.ru/ckfinder/userfiles/files/zofizinuxiweresolewifi.pdfIn PDF document text
- http://www.191seo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160739a7d7909b---subujevuwepikajivuboponap.pdfIn PDF document text
- http://progfin.pl/userfiles/file/zokaxuxunujumufugigozavu.pdfIn PDF document text
- http://gsoam.ge/wp-content/plugins/formcraft/file-upload/server/content/files/160b4c285b2ab9---26688398141.pdfIn PDF document text
- https://aiaciran.org/cache/fck_files/file/wagoruxuvexadenes.pdfIn PDF document text
- http://airconbank.com/upload/fckeditor/file/xawojaxaguzatiledoviz.pdfIn PDF document text
- https://www.mozartcantat.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a8ffae779fd---35117477993.pdfIn PDF document text
- https://fatheragneliti.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608af0a33771f---81793199187.pdfIn PDF document text
- https://envomask.com/wp-content/plugins/super-forms/uploads/php/files/797de1eaa34eacf082c4a407d2fd4e84/gofemowizum.pdfIn PDF document text
- https://fourseasons.events/wp-content/plugins/super-forms/uploads/php/files/4b527a8646c67732271c0a6f0dd2477e/76839389419.pdfIn PDF document text
- https://xn--80aaaglcftt5alesfkk7f.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/c2bec05aac529d2037e07896ad9deb28/96467688942.pdfIn PDF document text
- https://zegabilisim.com/calisma2/files/uploads/palulafaxotewe.pdfIn PDF document text
- https://www.okcfarmersmarket.com/wp-content/plugins/super-forms/uploads/php/files/f607678b4e125aa6ab4e45d02b39e242/33282927930.pdfIn PDF document text
- http://www.stallionreadymix.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160a6c30bf0e8a---6691778250.pdfIn PDF document text
- https://www.businesswatchguardingservices.co.uk/wp-content/plugins/super-forms/uploads/php/files/5pg1v8ddnkve2omtfpnr9luen5/fotimumasojev.pdfIn PDF document text
- http://iphysiology.ru/upload/38481880060.pdfIn PDF document text
- http://pinturasoltra.com/images/slider/files/vewafuropinorikusomaxob.pdfIn PDF document text
- http://pvsystexperts.com/wp-content/plugins/super-forms/uploads/php/files/kibtp418a75u833v332j7n2qt4/4565588718.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=highest+common+factor+of+36+and+175PDF 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_off0000df57.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF57 | 11444 bytes |
SHA-256: 64175d9d72bb5de1d10dffd2c7b4585aa27e25e57a0ec927adbd03017e0e5c7b |
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font_01_sfnt_off0000fa16.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA16 | 17220 bytes |
SHA-256: f844b9875b619e338c47df2b88269f094879ff5c04d55853ef2399eebaeaa3cf |
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font_02_sfnt_off00012731.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12731 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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