MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan payload. It functions as a link farm, with numerous URLs pointing to compromised WordPress sites, likely serving as a distribution point for further malicious content. The presence of external URIs and compromised CMS upload links suggests an attempt to lure users to malicious destinations.
Machine Learning
- Nyx PDF Classifier malicious score 0.9820
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://andreagarciam.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079721f36f60---namutexusigazuxake.pdf In PDF document text
- http://www.molinoag.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609fbca5b470f---41533484402.pdfIn PDF document text
- https://connect.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/85221088e55d305a1ea66f493269e88c/5469131911.pdfIn PDF document text
- http://www.theagentpipeline.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c556fde57d7---kerumudiku.pdfIn PDF document text
- https://www.hit-education.com/wp-content/plugins/super-forms/uploads/php/files/6s6vf6bnkgiukkvm1ht9bts8cl/fotuxuvanubep.pdfIn PDF document text
- http://host.keraladreamhomes.com/~viswabrahmathach/admin/fckeditor/editor/filemanager/connectors/php/userfiles/file/gusubora.pdfIn PDF document text
- https://www.cfo-search.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a8b4342b744---28826102805.pdfIn PDF document text
- http://paoladebenedetti.eu/userfiles/files/dogiwawenemekabapaweje.pdfIn PDF document text
- https://vegastel.eu/components/com_mijoshop/opencart/image/data/files/54657384389.pdfIn PDF document text
- http://nedirajtebosnu.net/userfiles/file/57001435432.pdfIn PDF document text
- http://www.cargeacrew.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606f29294694f---susefameze.pdfIn PDF document text
- http://www.hollyskauaicondo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077acae61717---67247287439.pdfIn PDF document text
- https://dispomydeal.com/wp-content/plugins/super-forms/uploads/php/files/be686f9082bcc7e5041521e8511468e7/57033499917.pdfIn PDF document text
- https://daleel.global/wp-content/plugins/super-forms/uploads/php/files/cd0noj3q061bjh2j9r6ik5o4qg/58195562072.pdfIn PDF document text
- http://www.kmclogistics.com/wp-content/plugins/super-forms/uploads/php/files/edb1f4f77e1c6a347e990b49237cda6b/dukururewokejo.pdfIn PDF document text
- https://tfnd.org/wp-content/plugins/super-forms/uploads/php/files/8617d67d6beefc24df024a4a16e86bff/28845491668.pdfIn PDF document text
- https://baconbites.com/wp-content/plugins/super-forms/uploads/php/files/nlqooba0clm3ifc99tg04b5j40/lozagev.pdfIn PDF document text
- https://messianic.live/wp-content/plugins/super-forms/uploads/php/files/76e5ef9e8c252e92e1bab7932e69c2bb/vederovalemofem.pdfIn PDF document text
- http://global-poseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c24bbb1cd23---71936715224.pdfIn PDF document text
- http://akademia-jedenastka.pl/zdjecia/fck/file/bovatarewajedexewe.pdfIn PDF document text
- http://www.alcera.ca/userfiles/file/29160570055.pdfIn PDF document text
- http://acmemask.com/upfiles/editor/files/26688235123.pdfIn PDF document text
- https://ifacemount.com/wp-content/plugins/super-forms/uploads/php/files/57qgi0fqfbmunpa3edq2rglat0/bajokuvowapegogubi.pdfIn PDF document text
- http://www.highlandmetals.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16071512a108cd---48971696570.pdfIn PDF document text
- http://hilltop1976.com/clients/24685/File/65582567440.pdfIn PDF document text
- https://homecareangels.ca/files/files/files/56818796105.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=1+month+after+quitting+smokingPDF 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_off00010d32.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D32 | 16828 bytes |
SHA-256: 9b3e461db79460d5d4e0135b8f66743ddfd7b1187c0343fa1e51472a899cc633 |
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font_01_sfnt_off000138da.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x138DA | 10908 bytes |
SHA-256: dd71654fd86b6c663b8d7c11b167a847788c22acb0338a00c50a80eef68e19e9 |
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font_02_sfnt_off0001519b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1519B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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