MALICIOUS
172
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier indicating a high probability of maliciousness. The document contains a link farm pointing to compromised WordPress upload storage, suggesting an attempt to distribute further malicious content or phish users. The presence of embedded URLs and the overall structure indicate a phishing or malware distribution lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 8
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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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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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.ciabrini-immobilier.com/wp-content/plugins/super-forms/uploads/php/files/gu028ul8mmff0rlq1fniacbspu/90421958838.pdf In PDF document text
- https://yidinfo.net/wp-content/plugins/super-forms/uploads/php/files/c8ubb867poi34epk1bvkp6iu8r/31630403553.pdfIn PDF document text
- http://entone.es/wp-content/plugins/super-forms/uploads/php/files/b9673b56f71184fe6fdde901c7ce06b5/wesirexowav.pdfIn PDF document text
- https://cedarcreeksauce.com/wp-content/plugins/super-forms/uploads/php/files/c7139a30be3e45890ef6de74902bbf2b/gexubuwabageb.pdfIn PDF document text
- http://architects-desk.com/uploadsfile/gedirijobivovugudibuxez.pdfIn PDF document text
- https://halobysciton.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086642d229e2---kiwududufukixol.pdfIn PDF document text
- https://suemsas.com/wp-content/plugins/super-forms/uploads/php/files/st0r9r4u3dqrq2fk2kskbu6k02/dufimigobavev.pdfIn PDF document text
- http://akgikorea.com/file_upload/fck_upfile/file/xabupekegupa.pdfIn PDF document text
- http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/vva1lkvrh3nler3sai53t93714/99012142754.pdfIn PDF document text
- http://www.optionassurance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1608157c1e8634---veligezusenogetafadutuli.pdfIn PDF document text
- https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/d4p8rhkda1qtc38c47ljtgur0c/12704553802.pdfIn PDF document text
- https://www.sixteengrams.com/wp-content/plugins/super-forms/uploads/php/files/p3qr4riht4qn816t7063b6r1kv/tikekeve.pdfIn PDF document text
- https://gtsonline.nl/wp-content/plugins/super-forms/uploads/php/files/ejl54pa0g0uo2h7rh47fndbdcp/78601738107.pdfIn PDF document text
- https://phase1acoustics.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075de7cc9be7---67372660892.pdfIn PDF document text
- https://www.mercedesbenzofaustinservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082900b74002---xerobewon.pdfIn PDF document text
- http://www.sarajevo-inn-grunewald.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078d58d4334e---78311100383.pdfIn PDF document text
- http://argra.rs/wp-content/plugins/formcraft/file-upload/server/content/files/1609f64753195d---71619086473.pdfIn PDF document text
- http://jockmurray.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f71a42e686---5314421787.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/S30rS-6n6vg/uplcv?utm_term=1950+20+dollar+bill+series+dPDF 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_off000135b9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x135B9 | 5472 bytes |
SHA-256: a50c1e4ac9281e034b7ac190d4ee8a404e2d61c6f4e05a0d087aacd68c7348b5 |
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font_01_sfnt_off0001485b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1485B | 11272 bytes |
SHA-256: a2d087fcf6a22568b3b746bdd8ff59a94935a25d110a355f7537d4346b94bb07 |
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