MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. The document contains numerous links to external websites, many hosted on compromised WordPress installations, suggesting a link farm designed to redirect users to malicious content. The presence of external URI heuristics and the compromised CMS upload link farm firing further support this attack pattern.
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://cructi.ru/uplcv?utm_term=method+of+joint+example PDF link annotation
- https://elitestrategyglobal.com/wp-content/plugins/super-forms/uploads/php/files/912e356829da6c1fb87618fb70bfbca5/mugowoxupuw.pdfIn PDF document text
- http://ahxxzx.com/userfiles/202105/file/tuxuwalefutu.pdfIn PDF document text
- http://camera68gialai.com/uplaod/quangtri/files/dikinikujubikumuvaderiwal.pdfIn PDF document text
- http://www.dj-csnl.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c180f3ba53d---30592694828.pdfIn PDF document text
- http://dailyliving.nl/ckfinder/userfiles/files/kututomorabugusitib.pdfIn PDF document text
- https://aawyx.com/sites/default/imageuser/file/73233323279.pdfIn PDF document text
- http://atthaya.com/file_media/file_image/file/vijevupu.pdfIn PDF document text
- http://baschin-heizung.com/meineBilderAlbertGrundschule/file/gogupid.pdfIn PDF document text
- https://www.axelendinggroup.com/wp-content/plugins/super-forms/uploads/php/files/5677bf7cc73fb639b42a65e87bf6f095/83178007256.pdfIn PDF document text
- http://grani-tonkogo-mira.ru/wp-content/plugins/super-forms/uploads/php/files/5d49c5b35cd53a615b2e228363a73cbd/84931636655.pdfIn PDF document text
- https://travels-ukraine.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b1c322709c---18368261930.pdfIn PDF document text
- https://curryleafharleysvillepa.com/hang/userfiles/files/36634888715.pdfIn PDF document text
- http://lhsclassof68.com/clients/73441/File/sajeguvisidimutovino.pdfIn PDF document text
- https://hafa-verein.de/wp-content/plugins/super-forms/uploads/php/files/5e718838b4515e6ea793b38e4419cb0e/76499412852.pdfIn PDF document text
- https://petroblend.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cf9891be7e---dilemiru.pdfIn PDF document text
- http://vincityhomes.vn/wp-content/plugins/super-forms/uploads/php/files/4ljogdae972i2onur85km2dbeb/49676421573.pdfIn PDF document text
- http://jamoncup.es/wp-content/plugins/formcraft/file-upload/server/content/files/160c7a85d90024---21316755625.pdfIn PDF document text
- https://hogies.com/includes/template/uploads/file/vijevevuwarujekupoge.pdfIn PDF document text
- https://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/160d87064dc648---siwasowazededa.pdfIn PDF document text
- https://macleanpinesdrivingschool.com.au/wp-content/plugins/super-forms/uploads/php/files/cfc0bc41e1de83556e61f6ec1b08c547/48088749578.pdfIn PDF document text
- https://caravanandre.it/wp-content/plugins/super-forms/uploads/php/files/34ba5645a803992577fb31af9862fe97/lisit.pdfIn PDF document text
- https://parisautotravel.com/wp-content/plugins/super-forms/uploads/php/files/cf0gqq3jtkjel2hlf1tlirs495/18323503658.pdfIn PDF document text
- https://loctra.net/userfiles/file/19032012076.pdfIn PDF document text
- https://extremetour74.ru/wp-content/plugins/super-forms/uploads/php/files/1b3ba136f8fe8712120dc6afe62d0a21/pigibupizuvekodojezipu.pdfIn PDF document text
- https://apparel.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/7f8b0b8ae1e9881c9a2e71aa79389ecc/xotefomawegevoxodedikug.pdfIn PDF document text
- http://stkvn.ru/wp-content/plugins/super-forms/uploads/php/files/783f8592a6a74bf2f638f9036e0605ff/19324224982.pdfIn PDF document text
- https://arizonapoolcontractor.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608270565323b---rutiwetuj.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_off0000ea8e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA8E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000102a0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102A0 | 17640 bytes |
SHA-256: c2f2fc79a6d2607f9e71d079a01a861cbbd8d392aad920225adff0779fd8c016 |
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font_02_sfnt_off0001313c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1313C | 10720 bytes |
SHA-256: fa866f2edcb8db0db58002d998d2bbee8208e2073345468ff2841f6e908cf744 |
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