MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link farm pointing to multiple compromised WordPress sites, likely intended to host and distribute malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent, classifying it as a phishing trojan. The presence of embedded URLs and the link farm structure suggest an attempt to redirect users to a malicious payload, potentially leveraging JavaScript for execution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9769
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://markzone.az/wp-content/plugins/super-forms/uploads/php/files/a6fpembu2peh92b8ck28usua32/lapaxifusilokira.pdf In PDF document text
- https://arizonapoolcontractor.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086c44f62972---60707573529.pdfIn PDF document text
- https://www.lamuccacompany.com/wp-content/plugins/super-forms/uploads/php/files/9616d5db1af14ffaf02e352889d016f6/magas.pdfIn PDF document text
- https://www.sanier.pl/wp-content/plugins/super-forms/uploads/php/files/cieei6d7usso1i40q57e7j24so/72476142650.pdfIn PDF document text
- https://aliencosmicexpo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c6c6899d8c2---91279421173.pdfIn PDF document text
- https://vidolamerica.org/wp-content/plugins/super-forms/uploads/php/files/d79c9bd0f1e79bea6667208cb0f6c02b/wodorumevanivupodigij.pdfIn PDF document text
- http://totaleclipsenv.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074b220d308f---wedolisakadanozolowu.pdfIn PDF document text
- http://coytex.net//ckfinder/userfiles/files/femipobuzexu.pdfIn PDF document text
- https://arizonapoolcontractor.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b3d438251ec---zenidakebug.pdfIn PDF document text
- https://flycam.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160b1f1b4ca57c---vosupajakakawukok.pdfIn PDF document text
- https://thehamptonsbloomington.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077fa10039a6---62740082890.pdfIn PDF document text
- http://lnaixi.com/userfiles/file/20210615232859_211446102.pdfIn PDF document text
- https://ceadersvalet.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075aafb3db7d---silidesopokimerosoki.pdfIn PDF document text
- http://www.acefence.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f576a79dec---newet.pdfIn PDF document text
- http://maduraigarlandshop.com/userfiles/file/66909325960.pdfIn PDF document text
- https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/16076bfec90204---banusedeniwemaxibojafizir.pdfIn PDF document text
- https://costabravas.com/uploads/localidades/files/desenikarivebazavarej.pdfIn PDF document text
- https://diaspoassur.com/wp-content/plugins/super-forms/uploads/php/files/cf4302ef783043a1851c72fd04421a0b/59187253822.pdfIn PDF document text
- https://accesoriosalmayor.com/images/userfiles/file/minerimelatogadisuzotop.pdfIn PDF document text
- https://infiniteprospects.com/FCKeditor/file/65115636129.pdfIn PDF document text
- http://medob.org/SITE/files/editor/file/kixakafoziwelevuraz.pdfIn PDF document text
- http://reszke.pl/fckeditor/editor/filemanager/connectors/php/file/46367245779.pdfIn PDF document text
- http://accu-chek-event.com/ckupload/files/43469024919.pdfIn PDF document text
- http://veterinariacasettamattei.it/userfiles/files/70381618424.pdfIn PDF document text
- https://wscnaturalhealings.com/wp-content/plugins/super-forms/uploads/php/files/2cd8a28076c598d97c012ec573f7355b/89314685818.pdfIn PDF document text
- https://www.siemers-deutschmann.de/wp-content/plugins/super-forms/uploads/php/files/4qbuo1hojng2orfgau93ds4qo5/favomitafonikozume.pdfIn PDF document text
- https://mangonebike.com/uploads/file/rarugipaxeno.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=blind+pimple+on+nosePDF 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000edcd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDCD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000105e4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105E4 | 10248 bytes |
SHA-256: fa99161d406a4f99fdbb569ae10d146aac2c8f5c7861ab7be41701ddb2dc20c0 |
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font_02_sfnt_off00011cc1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CC1 | 18392 bytes |
SHA-256: 2c23c4cf4a107e0f085f1062e3b2137e34a463184c6dfca634a24b5c7c36d8bf |
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font_03_sfnt_off00013a0e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13A0E | 16920 bytes |
SHA-256: b68065594c97ed7536e1588f74cd7ee8e2b4dda38a22f4a8cc0836b970426075 |
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