MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and ML classifiers, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many pointing to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of these links and the overall structure strongly suggest a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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=graphing+square+root+and+cube+root+functions+worksheet+pdf PDF link annotation
- http://krishikhabar.net/assets/ckfinder/core/connector/php/uploads/files/rakutabigulurasinori.pdfIn PDF document text
- http://modern-pro.ru/files/file/voripejaraxafo.pdfIn PDF document text
- https://www.apartamentselsllacs.com/wp-content/plugins/super-forms/uploads/php/files/a34mvo4422un38q7g8c41cqrls/6661932598.pdfIn PDF document text
- https://cahayaapi1.com/contents//files/dowemebiliruxekitiz.pdfIn PDF document text
- http://www.cascinasorigherio.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607766fa6df82---konix.pdfIn PDF document text
- http://malbreil.com/userfiles/file/26168835647.pdfIn PDF document text
- http://www.goataxiservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b6c1191826---suwinoguzavibeviviw.pdfIn PDF document text
- https://xlux.vn/wp-content/plugins/super-forms/uploads/php/files/rlp1csl86lu9p0sbiu1qslmv4e/53054870872.pdfIn PDF document text
- https://www.goldenplanet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16097d9aebae1c---35450847275.pdfIn PDF document text
- https://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a22f8162a8b---wasudezogozusunababur.pdfIn PDF document text
- http://banglenhospital.com/UserFiles/File/dojerowodoke.pdfIn PDF document text
- https://livingcircles.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1609882226871f---68947797356.pdfIn PDF document text
- https://groupunsur3.com/contents//files/wetuforokejo.pdfIn PDF document text
- http://www.marsagri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c61d6807067---dipepokozabaluvuvir.pdfIn PDF document text
- http://debden.org/userfiles/file/33210241919.pdfIn PDF document text
- http://ambulatorioveterinarioilprato.eu/userfiles/files/51903591517.pdfIn PDF document text
- https://giriconsultancy.com/content_files/files/mubogusen.pdfIn PDF document text
- http://xn--80aafbkbafwdti1ahihccrg.xn--p1ai/pict/file/50133512604.pdfIn PDF document text
- https://primer-spb.ru/files/files/71904995213.pdfIn PDF document text
- http://guides2alpes.fr/uploads/file/lemenopuretuzukazogur.pdfIn PDF document text
- http://leebyunghun.org/new/upload/board/files/1610351900.pdfIn PDF document text
- https://karinbentum.nl/uploads/file/9190281480.pdfIn PDF document text
- http://ferramentabelleggia.it/public/file/31228296465.pdfIn PDF document text
- http://zrdb-drogbud.pl/Upload/file/jemipimamunibeges.pdfIn PDF document text
- https://sumangold.net.vn/wp-content/plugins/super-forms/uploads/php/files/2rm0qllc59goemm94s9fhkpn7a/60143072957.pdfIn PDF document text
- https://coebmsf.com/userfiles/file/sezenemivup.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_off0000d44d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD44D | 11456 bytes |
SHA-256: e752b43ffa02048d7603033da0a011e12563a3ee636e86cfcc642e9c82f84768 |
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font_01_sfnt_off0000eeaf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEAF | 16556 bytes |
SHA-256: ce83b40c991a40928b65f082de2ec883010efd2b361caaca5fe13b9ec3145630 |
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font_02_sfnt_off000119fb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x119FB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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