MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier. It contains a large number of external URIs and links to compromised CMS uploads, indicating it functions as a link farm. The primary purpose appears to be directing users to potentially malicious websites, likely for phishing or malware distribution, leveraging a spearphishing attachment vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://queure.ru/uplcv?utm_term=12+tablespoons+butter PDF link annotation
- https://www.webhisto.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160a79dab66409---japiv.pdfIn PDF document text
- https://lawpropertyconsultants.co.uk/wp-content/plugins/super-forms/uploads/php/files/nqa1bah0mk2jj3dr9ubh7cl68t/97466387366.pdfIn PDF document text
- https://www.sixteengrams.com/wp-content/plugins/super-forms/uploads/php/files/he9702agqbeob41i6cecr4ecop/20909309306.pdfIn PDF document text
- http://henca.com/files/details/file/bewepupebetoripurapoxuro.pdfIn PDF document text
- http://www.lightingandhvacexpo.com/wp-content/plugins/super-forms/uploads/php/files/fd7eaa954d145f24b290278b11817bb2/puvumira.pdfIn PDF document text
- https://lightupalife.org.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607579df9eed4---50724499879.pdfIn PDF document text
- http://thepdaitruongphat.com/upload/ck/files/7924206582.pdfIn PDF document text
- http://wingprocess.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/gexubarimebomexetu.pdfIn PDF document text
- https://lacaune.hu/userfiles/file/71091628882.pdfIn PDF document text
- http://www.training4thefuture.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160d72d3616b0d---nodeposapomi.pdfIn PDF document text
- https://otdelkamos.ru/wp-content/plugins/super-forms/uploads/php/files/d1213d1cb88d7c1ed4dc843bbc012adc/57959579215.pdfIn PDF document text
- https://comodee.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5863d823da---20062226778.pdfIn PDF document text
- http://zionhillfirstbaptistchurch.com/clients/73368/File/dejoluxegid.pdfIn PDF document text
- http://dlt-nkp.com/fileupload//file/migogewatoxidu.pdfIn PDF document text
- https://manenshop.com/upload/files/2802651588.pdfIn PDF document text
- http://jedwines.com/cmsCart//upload/file/89446901518.pdfIn PDF document text
- http://wittlich-luexem.de/userfiles/file/25641092539.pdfIn PDF document text
- https://dazzlin.co.uk/wp-content/plugins/super-forms/uploads/php/files/be092f77397a95e58523bdc8bcfd8c77/36371250042.pdfIn PDF document text
- http://zabradli-znerezu.cz/userfiles/file/43141589887.pdfIn PDF document text
- https://barcelonacentremedic.cat/files/galeria/files/lizidixitodepodara.pdfIn PDF document text
- http://www.chatanakonci.cz/userfiles/file/xuvevifereke.pdfIn PDF document text
- https://lesfeesdelhetre.fr/upload/files/55492458333.pdfIn PDF document text
- https://xuantruongtech.com/images/ckeditor/files/81396662492.pdfIn PDF document text
- https://erdemlerkoleji.com/resimler/files/5367359470.pdfIn PDF document text
- http://lovewhereyoulv.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/e51a1b08899c02416d40fa441e60db60/45567805.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_off0000ea3b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA3B | 16752 bytes |
SHA-256: 7039a8757dc2741a936d9a38e70f110fc58f089022cbb91a2d4a9d246426d580 |
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font_01_sfnt_off000115af.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x115AF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012dc6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12DC6 | 10468 bytes |
SHA-256: c0a998c7588b6fcb9c8d07e43345f325aef5199b7d45d09369d4fddece646eae |
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