MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to compromised WordPress sites and disposable domains, indicating a link farm designed to redirect users. ClamAV and ML classifiers strongly indicate maliciousness, consistent with a phishing or malware distribution lure. No scripts were extracted, but the structure and URL patterns suggest an attempt to lead users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9979
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 http://www.hcibatiment.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16131925f23ec3---33361917034.pdf In PDF document text
- http://xn--90aoaidn.xn--p1ai/ckfinder/userfiles/files/jonokesisoriwo.pdfIn PDF document text
- https://drisraadentalcenter.com/userfiles/file/mosikojonotelok.pdfIn PDF document text
- https://homeuu.biz/upload/ckeditor/pages/files/vovisepoda.pdfIn PDF document text
- https://htcpost.vn/vietpost.vn/img_content/file/rabujitumema.pdfIn PDF document text
- http://pc-driver.ru/userfiles/files/86759412558.pdfIn PDF document text
- https://123natura.com/stockages/files/78232119556.pdfIn PDF document text
- https://www.dazzlingdecor.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16136d58092517---80618105311.pdfIn PDF document text
- http://budoprojekt.eu/obrazy/file/bogujenafumisa.pdfIn PDF document text
- https://snowcat.pl/admin/ckfinder/userfiles/files/selemipufixaluxuv.pdfIn PDF document text
- https://www.a2zmedical.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161370be07f180---32362408853.pdfIn PDF document text
- https://lawweb.info/mycms/admin/userfiles/file/zuxujejikafisoxirip.pdfIn PDF document text
- http://doo-san.com/userfiles/file/20210902232149.pdfIn PDF document text
- https://pcetravel.com/files/file/47401332860.pdfIn PDF document text
- https://hoangnhataudio.vn/media/files/sisotipafilapuzizi.pdfIn PDF document text
- https://tomas-music.com/contents/files/61035112399.pdfIn PDF document text
- http://ventexevent.se/uploads/file/37990917187.pdfIn PDF document text
- http://tmkb.org.tr/ckfinder/userfiles/files/finopibijatomonivesofas.pdfIn PDF document text
- http://eastindiaspray.com/suvra/eastindia_spray/files/4515567961.pdfIn PDF document text
- http://giasudaihocsupham.com/Images_upload/files/zugupojapexukalanemo.pdfIn PDF document text
- http://cappellastudio.it/userfiles/files/9125939618.pdfIn PDF document text
- http://puisan.ru/uploads/file/rigumalivokisizalabuwajut.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=otac+goriot+esej+pdfPDF 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_off0000f4e3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4E3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010cf5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CF5 | 21524 bytes |
SHA-256: 5dc166f5f7c18efcb52dd8e3767808ea31285452996981841ea337a03ebe61a1 |
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font_02_sfnt_off000144af.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x144AF | 10800 bytes |
SHA-256: ec734d2ad8f74f54480c911030006cc2b9f26b5bd629b7530a272dba06fe3de6 |
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