MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links to external websites, many hosted on compromised WordPress sites or disposable domains, suggesting a link farm or phishing lure. The presence of embedded URLs and the heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly suggest the document's purpose is to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9989
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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=an+anthology+of+commonwealth+poetry+pdf
- https://alshamiltrading.com/alshamilfiles/file/timaximufoboriguna.pdf
- http://paintingservicesonline.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1608a8e9da44d2---kavunefanigewegurapinoz.pdf
- http://visualpaint.com/wp-content/plugins/formcraft/file-upload/server/content/files/160acc802b6c35---7175031972.pdf
- http://countrysquirefoods.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac9f9fe9eb4---lijeb.pdf
- http://coreaad.com/DreamDataUpload/file/80834152981.pdf
- http://endustriyelkiralama.com/wp-content/plugins/super-forms/uploads/php/files/qb9p8ngvah0q47efue10qr432m/96348178285.pdf
- https://buddingheights.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c7af9288109---46991172112.pdf
- https://beautyreviveshop.com/newerac2c/userfiles/file/9314915692.pdf
- https://batikatravels.com/userfiles/file/lumomuxikanofesinujedot.pdf
- https://jetzterstrecht.hamburg/wp-content/plugins/super-forms/uploads/php/files/iigfssddb2mea1lva0u5i2phsk/dobonunanoravegadejaxufib.pdf
- http://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606f91ed8b2bd---vukezokiwelozo.pdf
- https://sirikulsteel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9062470856---82729625109.pdf
- https://espiber.cl/images/uploadedimages/file/10225993571.pdf
- http://ahsaipu.com/v15/Upload/file/202143013127798.pdf
- https://englewoodgrassfarm.com/wp-content/plugins/super-forms/uploads/php/files/3b4d9cc44bc6ca32b7c6862a9d134bd0/8333354903.pdf
- https://sasalidayanisma.org/uploads/file/68986233981.pdf
- http://www.franklinwebdesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607678e43a262---87703436877.pdf
- http://bergfin.se/wp-content/plugins/formcraft/file-upload/server/content/files/160c90e30d1b7d---nesujobekiluf.pdf
- http://krevue.cz/UserFiles/File/fedokav.pdf
- https://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608289c8f20ed---gimejela.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00011322.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11322 | 16792 bytes |
font_01_sfnt_off00012b39.binf0ff5edef15eb6a290f716b02255d9a578b04fde59afc59beeab5ad9e0387e9f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B39 | 10988 bytes |
font_02_sfnt_off0001447a.bin66fee9c0769562be033f0ec5ba5d64653f0074c0a6e26de4f6e6d2609902449f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1447A | 18384 bytes |
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