MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by ClamAV as a phishing trojan and by an ML classifier with high confidence. It contains numerous embedded URLs, many pointing to compromised CMS uploads or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of PDF_URI and PDF_SEO_DISPOSABLE_LINK_FARM heuristics further supports this. No scripts were extracted, but the overall structure indicates a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9849
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 https://irlanc.ru/uplcv?utm_term=learner%27s+grammar+bk+8+sanghita+sen
- http://cheapneasytrafficschool.com/CheapNEasyTrafficSchool/pa/trainstation/uploads/image/file/mekinudubat.pdf
- http://rothemtour.com/FileData/ckfinder/files/20210913_32779C27DD87D886.pdf
- http://kingsfinancialconsulting.com/userfiles/file/20477368390.pdf
- https://thenovgorodspaceship.andreirozen.com/images/files/92149585631.pdf
- https://fietenhaardenenkachels.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16148f28a19d53---jajede.pdf
- http://alde-pace.org/ckfinder/userfiles/files/polizojupibonudufan.pdf
- http://projecthouse.bg/uploads/CKfinder/files/736739239.pdf
- http://saltokisport.com/uploads/files/49792848160.pdf
- http://clubselectionvoyages.com/images/file/85301469237.pdf
- http://thaicockstar.com/ckfinder/userfiles/files/rutosisinominikamon.pdf
- http://sns.hu/_user/file/88324834190.pdf
- http://xn--dlek-5qa.com/admin/UserFiles/file/86975091235.pdf
- http://geodeslaboratori.eu/userfiles/files/99630608171.pdf
- http://beijingteye.com/upload/files/goxag.pdf
- https://egyiksem.hu/uploads/file/bemadep.pdf
- http://msci.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/16149806824b40---1671194072.pdf
- http://ceraunavoltapizzeria.it/userfiles/files/42817701063.pdf
- https://at1apigroup3.com/contents/files/99112154638.pdf
- http://pampa.be/uploads/userfiles/files/26220508179.pdf
- https://clubesolbra.com/uploads/files/luwalilizozelilarivukomin.pdf
- http://ukrkarta.ua/fckeditor/userfiles/file/gokapomenufutu.pdf
- https://jungleflightchiangmai.com/Uploads/files/46894132341.pdf
- https://mediabandit.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140933158097---90137418032.pdf
- https://kawanmto.org/contents/files/29043543188.pdf
- http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16149c97e330a7---23946456200.pdf
- http://zlhk.ru/upload_picture/file/zokuzevonovujitene.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_off0000b3d7.bin04cdf442812233da8c1403283b14b87fe3e6f87c13860b2f0384f86495719b39 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB3D7 | 10820 bytes |
font_01_sfnt_off0000cca9.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCCA9 | 16792 bytes |
font_02_sfnt_off0000e4bb.bin3bb6bc013b8ba49b5f974226743bdfbcf107f5cd7e117632eedfbac182e238a1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4BB | 17344 bytes |
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