MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links to external websites, many hosted on compromised CMS upload directories or disposable hosting, suggesting a link farm or phishing lure. The PDF structure and embedded links are indicative of a spearphishing attachment, aiming to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9939
Heuristics 7
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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://centreforeffectivecoaching.com/media/file/81391213405.pdf In PDF document text
- https://www.novet.de/wp-content/plugins/formcraft/file-upload/server/content/files/1610ec0962a909---pipowisepemosotofe.pdfIn PDF document text
- http://tostonet.cl/ckfinder/userfiles/files/kipubanulowamagog.pdfIn PDF document text
- https://coffotea.com/uploads/files/202109051434311364.pdfIn PDF document text
- http://magyaringatlanadatbazis.hu/dev/_user/file/wafor.pdfIn PDF document text
- https://rmdschoolandcollege.com/wp-content/plugins/super-forms/uploads/php/files/k2ndigcud5qgh8m4p8h9rco3q0/94674173789.pdfIn PDF document text
- https://atolab.it/wp-content/plugins/super-forms/uploads/php/files/5c4083bac676fb0168f223fb15724298/97744292212.pdfIn PDF document text
- http://mishelik.ru/userfiles/file/dogovulanolazaf.pdfIn PDF document text
- https://red-adlay.com/upload/files/jirezepudidefekuzovijaror.pdfIn PDF document text
- https://rzfmuhasebe.com/userfiles/file/82292408626.pdfIn PDF document text
- http://banglatalkies.com/dynamic-images/cms/file/fubelokajaxalidabava.pdfIn PDF document text
- https://jkmart.net/FCKFiles/File/polikeb.pdfIn PDF document text
- https://fanaf.com/article_ressources/file/jovirozivikorog.pdfIn PDF document text
- https://www.superioreagle.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608206064ddfb---81444347860.pdfIn PDF document text
- http://learningkey.org/userfiles/bifekubewivebujodozovevu.pdfIn PDF document text
- http://tuzvedo.hu/elemek/file/vamojunisunejeg.pdfIn PDF document text
- http://www.onekaddy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611d2ba0d192a---17978798367.pdfIn PDF document text
- http://alphanaturehk.com/userfiles/file/rikipupoxunawatodof.pdfIn PDF document text
- http://bjyhyy.cn/filespath/files/20210825041016.pdfIn PDF document text
- http://jplus-ag.com/upload/files/BodyFile__60E4FF9BD5A43.pdfIn PDF document text
- https://acgroupenterprise.com/userfiles/file/36333424867.pdfIn PDF document text
- https://www.lowdoc-loans.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16085bac2d6018---94923328389.pdfIn PDF document text
- https://funkydrop.shop/wp-content/plugins/super-forms/uploads/php/files/4412c796ba9a9ff7758fcb48ab4db440/75092437620.pdfIn PDF document text
- http://www.cpnatacao.pt/backoffice/ckfinder/userfiles/files/83360705425.pdfIn PDF document text
- https://action-roofing.com/wp-content/plugins/super-forms/uploads/php/files/6363e6feef6e83f24bfc6db6cb593519/lezemexadogipotizaf.pdfIn PDF document text
- http://www.gainerwindows.ca/wp-content/plugins/super-forms/uploads/php/files/d1k6507hcuk0qtu70p5475e2o0/tapizapukoxiwevutol.pdfIn PDF document text
- http://hunting.kg/userfiles/file/luradam.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=pdf+biologia+molecular+da+celula+albertsPDF 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_off0000c48b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC48B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000dca2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCA2 | 10956 bytes |
SHA-256: 56b9257c50ec6357054ab961b3ac5f426b6b7a7c1178d21c30d5b5e1a73a05e6 |
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font_02_sfnt_off0000f5d6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5D6 | 17588 bytes |
SHA-256: 15ab94ffb2538e6a908b1326a701fc67c44f10dc00110ccf65b4e28f87206f64 |
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