MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to multiple external websites, some hosted on compromised CMS uploads. The document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the overall structure suggests an attempt to redirect users to malicious content.
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 http://aiswaryamatrimonials.com/fck_uploads/file/xilixisanevuwani.pdf In PDF document text
- https://cortopolis.ar/userfiles/file/japozu.pdfIn PDF document text
- http://caribsplash.org/wp-content/plugins/formcraft/file-upload/server/content/files/160876646cb92d---8295582409.pdfIn PDF document text
- http://kipia-nn.ru/userfiles/file/73418743316.pdfIn PDF document text
- http://inspirationallabels.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160b578c87adac---sudupi.pdfIn PDF document text
- https://mama-light.net/business_school/uploads/file/92989934395.pdfIn PDF document text
- http://www.clc-engineering.com/siteuploads/editorimg/file/34882731463.pdfIn PDF document text
- http://residenzaeden-albisola.com/userfiles/files/nidap.pdfIn PDF document text
- https://www.inter-tube.co.uk/wp-content/plugins/super-forms/uploads/php/files/87ea6da9b309317a86d48584f24e1036/laxugolubovugomuzinopiz.pdfIn PDF document text
- http://prinsart.ro/uploads/files/43453688743.pdfIn PDF document text
- http://regimhotelierbucuresti.com/images/userfiles/52423640082.pdfIn PDF document text
- https://landlorddebtadvisory.com/wp-content/plugins/super-forms/uploads/php/files/3rlrci8ducnt31nq83ted7u3q1/63926586224.pdfIn PDF document text
- http://ampletrekking.com/userfiles/file/88862832656.pdfIn PDF document text
- http://www.x454.com/wp-content/plugins/super-forms/uploads/php/files/9ks4uc1t5onsojen7v6bu2nda1/85622890715.pdfIn PDF document text
- http://www.northeastmarquees.com/wp-content/plugins/super-forms/uploads/php/files/ea62b491bc20cd03ff4b56a0b9a12609/28299385927.pdfIn PDF document text
- http://tsg-vaganovskoe.ru/ckfinder/userfiles/files/4458007378.pdfIn PDF document text
- https://aokman-drive.com/d/files/84846394257.pdfIn PDF document text
- https://simovi.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160b6a2de6d38e---sitiragonifetomizodo.pdfIn PDF document text
- http://jullien38.com/ressource/site-image/files/vepilil.pdfIn PDF document text
- https://www.phoenixdentalacademy.co.uk/wp-content/plugins/super-forms/uploads/php/files/8ff35107778bd7df46ae61ea6af69ffe/magobu.pdfIn PDF document text
- http://krindustria.com.br/site/wp-content/plugins/formcraft/file-upload/server/content/files/160b77f580275c---5572697607.pdfIn PDF document text
- https://store-connector.com/_upload_bilder/_filemanager/file/7234692922.pdfIn PDF document text
- http://www.stadion-zarya.ru/ckfinder/userfiles/files/kebafafamevisikanajizawib.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=relationship+lacking+intimacyPDF 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_off0000dde1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDE1 | 10972 bytes |
SHA-256: 078fd9bdc038d64d5602fd07a208a862574104f43fc23387b5d934cb69d5a8fe |
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font_01_sfnt_off0000f733.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF733 | 19004 bytes |
SHA-256: eeb9f1476ce6e6a4d2998e2556c054c484e2d3b1efe1639a7e33b4ee1172ccd9 |
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font_02_sfnt_off0001281d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1281D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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