MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ClamAV as 'Pdf.Phishing.Trojan' and an ML classifier indicated a high probability of maliciousness. Heuristics identified it as a link farm pointing to compromised CMS uploads and disposable hosting, suggesting an attempt to redirect users to malicious content. The embedded URLs, despite some being marked benign, are part of a larger pattern of deceptive links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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 https://www.helpagesl.org/wp-content/plugins/formcraft/file-upload/server/content/files/160ba3227ae709---laxeruwafixabusarizuwak.pdf In PDF document text
- http://suarezbeltran.com/aym_images/files/36499569061.pdfIn PDF document text
- http://strahovka66.ru/userfiles/file/64922969638.pdfIn PDF document text
- https://laneopx.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cd875040f3c---26105696335.pdfIn PDF document text
- https://relaxationplusmn.com/wp-content/plugins/super-forms/uploads/php/files/399d758ba12084a2caaaf6dae889f431/ditimibutowasoj.pdfIn PDF document text
- http://uyaviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160eca05986f65---xuzozu.pdfIn PDF document text
- https://hylyt.co/wp-content/plugins/super-forms/uploads/php/files/c15548cb6cb19fbf5c48642df9be212e/venub.pdfIn PDF document text
- http://orosweb.hu/ckfinder/userfiles/files/78607998139.pdfIn PDF document text
- http://suportti.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ed346972fd---2358647053.pdfIn PDF document text
- https://member-amz-seller-system.de/wp-content/plugins/super-forms/uploads/php/files/2a9b6659a2f39439dc7cf778669cb003/winebivukuxomekogexa.pdfIn PDF document text
- https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/2411cc5a951e00d94b15320798fe2d78/24811679608.pdfIn PDF document text
- http://np-laser.com/upload_fck/file/2021-6-23/20210623232032593442.pdfIn PDF document text
- https://mygo.com/ckfinder/userfiles/files/55782930158.pdfIn PDF document text
- http://acecaalcoy.com/userfiles/file/7642408132.pdfIn PDF document text
- http://asu.com.vn/wp-content/plugins/super-forms/uploads/php/files/fdskp7rambd0np5a84fdko5pot/28217759240.pdfIn PDF document text
- http://totaleclipsenv.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c51cb02cb1---berakobovenogafojivowe.pdfIn PDF document text
- https://aihr-iadh.org/uploads/FCK_files/file/14403832977.pdfIn PDF document text
- http://tanriovermensucat.com/uploads/genel/files/3093388103.pdfIn PDF document text
- http://matchonusa.com/uploads/files/padoterulamelesikufasuzav.pdfIn PDF document text
- http://clingac.es/d/files/19688395447.pdfIn PDF document text
- http://www.christinemartin.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160c8f6d373432---nakubu.pdfIn PDF document text
- https://medgarlci.com/wp-content/plugins/super-forms/uploads/php/files/52927d8123ce9a35849f1051c1adfc0c/livaxiwedumoxugedupowetik.pdfIn PDF document text
- https://curvy.tw/upload/files/vegisudejomomex.pdfIn PDF document text
- http://augustaelectricalwork.com/editorData/file/sojujazak.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=reading+her+body+language+pdfPDF 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_off0000c34b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC34B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000db5d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB5D | 16508 bytes |
SHA-256: a1d5b27d7abd020badf469587651519d8b84be46df81a12035fa28ad55aebd3d |
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font_02_sfnt_off000105bb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105BB | 10912 bytes |
SHA-256: d20d581ec9acbd0f1d3cfd9a85cea9de657125254c9f7476512019929b93fcf4 |
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