MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file is identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal that the PDF contains a link farm pointing to compromised WordPress upload storage, suggesting it's part of a phishing or malware distribution scheme. The presence of a 'download' call-to-action further supports the attack pattern of luring users to download a payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://www.officinadelgustoroma.com/wp-content/plugins/super-forms/uploads/php/files/faab9d5f8e662099429e08eb09fd9fae/joked.pdf In PDF document text
- http://vankouwenenmastop.nl/UserFiles/file/30719942829.pdfIn PDF document text
- https://joebalogh.ro/imagini_ws/13729076181.pdfIn PDF document text
- http://warraichmeats.com/wp-content/plugins/formcraft/file-upload/server/content/files/160833d4c39d20---jalorajejipabowuxurovipa.pdfIn PDF document text
- https://www.focus.mu/wp-content/plugins/super-forms/uploads/php/files/6b9e349171ebfe68a2c3d26ac66bfd21/tipazotoxusisewupinat.pdfIn PDF document text
- http://maynenkhiinverter.com/media/ftp/file/28932448545.pdfIn PDF document text
- http://guides2alpes.fr/uploads/file/magazovobowojojizunaxepa.pdfIn PDF document text
- http://acecaalcoy.com/userfiles/file/48503569062.pdfIn PDF document text
- http://www.sg-callenberg.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607f59624717d---mekexamuxilu.pdfIn PDF document text
- https://xn--80adj7cxa.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/6212ebfe0e3ce4db8e1695896d95d97a/zelegozaxojonev.pdfIn PDF document text
- http://www.oknookna.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1608e772b753f1---waduz.pdfIn PDF document text
- http://rainbowcaterers.in/userfiles/file/46556362792.pdfIn PDF document text
- http://webscape.co.bw/wp-content/plugins/formcraft/file-upload/server/content/files/16077e88a18692---46713569751.pdfIn PDF document text
- http://apexibd.com/uploads/fck_uploads/file/musivobafatulobirovawi.pdfIn PDF document text
- http://nemeckystrakac.sk/editor_uploads/files/34610581064.pdfIn PDF document text
- http://silesiacapital.eu/data/file/mimaviwewamubabepulefiw.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=download+atf+box+setupPDF 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000acd6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xACD6 | 5236 bytes |
SHA-256: 022a335eec5051eab7af3418d35515f524b8a474ccd787fd34478fc69f3e3133 |
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font_01_sfnt_off0000bed9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBED9 | 9080 bytes |
SHA-256: 95f7365315828dd4fda690a8cf40fc93556418e4f3160f211e39e7beb1f5ebc3 |
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