MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. Heuristics identified it as a link farm pointing to compromised WordPress upload storage, suggesting it's used to distribute or link to malicious content. The presence of multiple unknown URLs further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://impariant-club.ru/wp-content/plugins/super-forms/uploads/php/files/c46d9c08941f7d962ab2c2f494ccac41/kubozumipuz.pdf In PDF document text
- https://alev.az/userfiles/file/xezotikafitulu.pdfIn PDF document text
- https://rpaxis.net/userfiles/file/suvazutirul.pdfIn PDF document text
- http://tucholainfo.pl/userfiles/file/10062498366.pdfIn PDF document text
- http://elsped.hu/files/file/46752133186.pdfIn PDF document text
- http://nguyenphat.com/public/default/ckeditor/files/bepol.pdfIn PDF document text
- http://canvangdientu.com/images/file/37441919121.pdfIn PDF document text
- https://www.frankcapassoandsons.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140d6ba9cf1d---fujewevevopep.pdfIn PDF document text
- https://chicagoportablexray.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ef92c9f3d7---58902868456.pdfIn PDF document text
- http://clubesquilacoma.com/uploads/files/73479513214.pdfIn PDF document text
- http://studiosiciliani.eu/userfiles/files/jexegav.pdfIn PDF document text
- http://gamebonda.com/ckupload/files/40744264348.pdfIn PDF document text
- https://sagarexpress.com/userfiles/file/32962489321.pdfIn PDF document text
- http://veterky.ru/ckfinder/userfiles/files/13954757928.pdfIn PDF document text
- http://zentrumok.com/userfile/files/78622761734.pdfIn PDF document text
- https://ijieet.org/ckfinder/userfiles/files/kojesimodadavomowetod.pdfIn PDF document text
- http://hakanhurdacilik.com/userfiles/file/71727770903.pdfIn PDF document text
- https://jokerprod.net/userfiles/file/jakumafiwomolamarujibana.pdfIn PDF document text
- http://jrpst.pl/userfiles/file/fubezidutopar.pdfIn PDF document text
- https://completecollegestrategies.com/wp-content/plugins/super-forms/uploads/php/files/0558068a2ba04cb109990d36c6c946a8/88510344961.pdfIn PDF document text
- https://naveenent.com/administrator/imagetemp/file/31989590321.pdfIn PDF document text
- http://beckydavidsonhomes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b08a010fc7---57541699676.pdfIn PDF document text
- http://sieuthihatgiong.vn/webroot/img/files/28987678198.pdfIn PDF document text
- https://movimientofamiliadejesus.com/images/uploaded/file/xamoresowud.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=viewpager+with+fragmentsPDF 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_off0000eebd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEBD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000106d4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106D4 | 10696 bytes |
SHA-256: 72c4f78f05813b70c2ac8715dd5770a278dcd9a2e783bfbfbc054cff8614676a |
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font_02_sfnt_off00011f41.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F41 | 18796 bytes |
SHA-256: 846853ffa72045001b2153b786485141a94b14c67cfeadae5b85086c34b678f3 |
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