MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. It contains a link farm pointing to compromised WordPress sites, suggesting a phishing or malware distribution attempt. While no scripts were explicitly extracted, the PDF structure and embedded links are indicative of a malicious document designed to trick users into visiting potentially harmful URLs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://dacoma.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1612fcf77c1f47---25324860664.pdf In PDF document text
- http://wonderpanel.com/app/webroot/img/file/lusitufel.pdfIn PDF document text
- http://pinturasoltra.com/images/slider/files/94319868144.pdfIn PDF document text
- http://studiopiergentili.it/userfiles/files/65648193181.pdfIn PDF document text
- http://effekt-film.de/files/file/fufekevo.pdfIn PDF document text
- https://www.ayersworthglen.com/wp-content/plugins/formcraft/file-upload/server/content/files/161364b92ebbf8---5903288979.pdfIn PDF document text
- https://www.kadeavenue.com/wp-content/plugins/super-forms/uploads/php/files/e2c42427d3891a81256fbe73938af9e6/pimemozubopebezuwekixaw.pdfIn PDF document text
- https://ekselantechnology.solutions/ckfinder/userfiles/files/9308262745.pdfIn PDF document text
- https://rmp-familienanzeigen.de/cms/files/lojukinikepekuwan.pdfIn PDF document text
- http://facyt.com.ar/ckfinder/userfiles/files/vudipikebawonerixapakufe.pdfIn PDF document text
- http://nhakhoasaigonkimcuong.com/uploads/images/files/lumukeniwa.pdfIn PDF document text
- https://biserica-izvorul-tamaduirii.ro/files/42561901854.pdfIn PDF document text
- https://www.verimevzabavu.cz/ckfinder/userfiles/files/pezikisigodojowikekafa.pdfIn PDF document text
- http://caytrong.vn/Images_upload/files/zuvavas.pdfIn PDF document text
- http://terwaarde.be/ckfinder/userfiles/files/wajiwo.pdfIn PDF document text
- https://noelex22.org/userfiles/file/jiluximozokixeg.pdfIn PDF document text
- http://issaproject.com/app/views/panel/ckfinder/userfiles/files/53390663215.pdfIn PDF document text
- http://elitvorota.ru/f/file/61783049960.pdfIn PDF document text
- http://udelimpa.es/ckfinder/userfiles/files/xadaroro.pdfIn PDF document text
- https://technoarc.net/userfiles/file/5082338229.pdfIn PDF document text
- https://xn----7sbbg1ddpkdc.xn--j1amh/uploads/files/13768062487.pdfIn PDF document text
- http://hoteldazegliotorino.com/userfiles/files/migafedezulezibetiw.pdfIn PDF document text
- http://entone.es/wp-content/plugins/super-forms/uploads/php/files/9b6306630360533cdcbd62772fdb2f34/9338248925.pdfIn PDF document text
- http://pujcovnanaradi-tvarozna.cz/userfiles/files/sofuzibutum.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=friends+reunion+yifyPDF 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_off0000d545.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD545 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ed5c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED5C | 10232 bytes |
SHA-256: a1c179f94ade1235a3fd13bc715a0ca808648bb96eadd16ba492a49ff518134c |
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font_02_sfnt_off0001046c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1046C | 17676 bytes |
SHA-256: 853a7e0c8167bb4368b8e76761eb7e13d9a05c7aa6e29a912c7c5ae5ecb941fd |
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