MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a phishing or trojan distribution attempt. It contains numerous embedded URLs, many pointing to compromised CMS upload directories or disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The primary attack pattern involves leveraging these external links to deliver a secondary payload or conduct phishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
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://irlanc.ru/uplcv?utm_term=paramos+del+ecuador+pdf PDF link annotation
- http://bannails.com/fckeditor_userfiles/file/kesozexuvedawigufovizuja.pdfIn PDF document text
- http://railwaysrailroads.com/upload_files/files/lorifup.pdfIn PDF document text
- https://chefinhogourmet.com/wp-content/plugins/super-forms/uploads/php/files/851e3abdd342b0444d0da6fd8dfdb7f8/ledanemo.pdfIn PDF document text
- http://ashioke.com/images/library/File/62150454880.pdfIn PDF document text
- http://woonhuislift.info/wp-content/plugins/formcraft/file-upload/server/content/files/1608ba9e73ef95---xavawidiviridupanak.pdfIn PDF document text
- http://gtshotel.it/images/file/13763088545.pdfIn PDF document text
- http://dom-nenilovo.ru/wp-content/plugins/super-forms/uploads/php/files/0140c106b4639b196d88f8557b143314/sojumopivikubukewuba.pdfIn PDF document text
- http://mail-ex.net/userfiles/file/4031089159.pdfIn PDF document text
- https://apotekatia.ba/fajlovi/sazumedipebotipiliroxu.pdfIn PDF document text
- http://kino-cosmik.ru/sadm_files/ruxufuko.pdfIn PDF document text
- http://biemmecommerciale.eu/userfiles/files/jodavukavezerokuxedubib.pdfIn PDF document text
- http://wannawwannie.pl/userfiles/file/53409739732.pdfIn PDF document text
- http://dfwsedan.com/nbloom/fckuploads/file/71883694199.pdfIn PDF document text
- http://www.alwaysflorida.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b0c3de5a565---xubivarik.pdfIn PDF document text
- https://billard-hauri.ch/userfiles/file/45348841212.pdfIn PDF document text
- http://mylodge-naoshima.com/24173006558.pdfIn PDF document text
- https://takarasushimn.com/userfiles/files/13029245007.pdfIn PDF document text
- http://phongthuydotho.vn/upload/files/79574063184.pdfIn PDF document text
- http://pujcovnanaradi-tvarozna.cz/userfiles/files/vefurowo.pdfIn PDF document text
- https://eclipsetheaters.com/wp-content/plugins/formcraft/file-upload/server/content/files/16114b63a11a54---29771487824.pdfIn PDF document text
- http://bjbtrh.com/files/pic/file/jeserubixuwan.pdfIn PDF document text
- https://swagath.co/new/ckfinder/userfiles/files/53902947619.pdfIn PDF document text
- http://studiogalata.it/userfiles/files/82725403239.pdfIn PDF document text
- 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_off00010176.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10176 | 10588 bytes |
SHA-256: bf6c6abde4f6328b54846c55045e907432390fc25e0da23b59e30f0c9b2fc160 |
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font_01_sfnt_off000119ab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x119AB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000131bd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x131BD | 20820 bytes |
SHA-256: c1862e74d51d62d2a5471c4cfa8014e2394164850860539d8e4b8cc0acbe48b9 |
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