MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was identified as malicious by ML classifiers and ClamAV. It functions as a link farm, containing numerous external URLs that likely lead to phishing sites or malware downloads. The heuristic 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' indicates that some links point to compromised WordPress upload storage, suggesting a technique to host malicious content on seemingly legitimate sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
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=ejercicios+de+identidades+trigonometricas+fundamentales+pdf PDF link annotation
- https://www.pennlighting.com/wp-content/plugins/super-forms/uploads/php/files/dcd1ba61f99e2192f2e44d5f60f644f5/10934195057.pdfIn PDF document text
- https://beribuket.ru/wp-content/plugins/super-forms/uploads/php/files/62aa8581f8fc3c7807f956711def4b55/32505230273.pdfIn PDF document text
- http://fipjp.com/userfiles/file/73571059462.pdfIn PDF document text
- http://www.cddfct.com/up_files/file/tijikezavonimanimodepi.pdfIn PDF document text
- http://slenderclub.cz/ckfinder/userfiles/files/92683661167.pdfIn PDF document text
- https://broadstripe.com/wp-content/plugins/super-forms/uploads/php/files/b516c88ee588848e933fd27c3d4f76c0/45011490272.pdfIn PDF document text
- https://regalcabs.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16096a5ac784a4---puxujavojoganewejevivusu.pdfIn PDF document text
- https://shining4u.com/wp-content/plugins/super-forms/uploads/php/files/9a0abb9931984e37d35035baf69d0c6b/mifizumumiwolisuxeju.pdfIn PDF document text
- http://bochosushi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aaac35010dc---70819287533.pdfIn PDF document text
- http://jiuxingchaoshi.com/uploads/file/221802235595.pdfIn PDF document text
- https://buddingheights.org/wp-content/plugins/formcraft/file-upload/server/content/files/1610c4dcd88506---4347611118.pdfIn PDF document text
- https://novahealthclinic.ca/userfiles/file/52406665327.pdfIn PDF document text
- http://idaskitchen.org/clients/d/d8/d86ca706a5600d452cde81e4a21b2d68/File/12326846800.pdfIn PDF document text
- https://cvenhancer.com/wp-content/plugins/super-forms/uploads/php/files/09ea7245096fc6a3de0d462c7cd32501/70362741611.pdfIn PDF document text
- https://robertmatzuzi-massagetherapist.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160c4bc0f3548d---xanozavazetopaledabe.pdfIn PDF document text
- http://home-delighted.com/user_img/files/lawufemavu.pdfIn PDF document text
- http://www.vnos.vn/app/webroot/uploads/files/sobapopepukivole.pdfIn PDF document text
- https://k9-warrior.com/wp-content/plugins/super-forms/uploads/php/files/t39hmhdb579u0ettcpadertina/jegedevagimukizuwis.pdfIn PDF document text
- http://degrossier.nl/uploads/file/70312729081.pdfIn PDF document text
- http://abogadosaguilar.com/ckfinder/userfiles/files/1450978418.pdfIn PDF document text
- https://www.landalastadservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607caf8f0e797---gawam.pdfIn PDF document text
- http://www.reenactmentmarket.eu/images/wyswig_images/file/88998713139.pdfIn PDF document text
- http://yfatc.com/userfiles/file/bakowuvosorolaterudigawo.pdfIn PDF document text
- https://saintarseny.ca/sites/saintarseny.ca/files/file/42294945652.pdfIn PDF document text
- http://aldobini.it/userfiles/files/xivekekifejuxigasod.pdfIn PDF document text
- http://mgmkt.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160dfb8ff37424---16863282560.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_off0000db47.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB47 | 18388 bytes |
SHA-256: 5d53df18a9f75c03d2a1245a8643f0b0efcd6665ab944266e3fb12457dad22cc |
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font_01_sfnt_off00010a5d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A5D | 11176 bytes |
SHA-256: 37ed629f78cfab05548aa95db01c7fce464b5711c278a1fc4f32ac2a45b5b5b8 |
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font_02_sfnt_off00012442.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12442 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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