MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links pointing to compromised websites, indicating it functions as a link farm. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or distributing further malware. The presence of multiple distinct hosts and the use of 'utm_term' parameters in some URLs suggest an effort to obscure the true destination and potentially track user engagement.
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://allytemp.ru/uplcv?utm_term=cross+hatching+and+contour+shading PDF link annotation
- https://www.sidertest.it/wp-content/plugins/formcraft/file-upload/server/content/files/160918c29439b4---litowifosakilevowemog.pdfIn PDF document text
- https://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ac8626641c---73006352257.pdfIn PDF document text
- http://www.asejnrtigers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a3e41adebc9---jovinokiforozavaliluwar.pdfIn PDF document text
- http://kraljicabih.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f5e3e2626c---widitegosunusege.pdfIn PDF document text
- https://agentcctv.com/userfiles/file/sepomixukopapoten.pdfIn PDF document text
- http://namngonviet.vn/user-/files/ninefozimiwozapojivewapu.pdfIn PDF document text
- http://mosjob.ru/images/file/zatabeleduwu.pdfIn PDF document text
- https://archltginc.com/wp-content/plugins/super-forms/uploads/php/files/0cda5bd3e19fe35fdfbee84b539273e5/57800356897.pdfIn PDF document text
- https://mavismanagement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c370c51b493---98639133554.pdfIn PDF document text
- https://www.euroservicemilano.it/wp-content/plugins/formcraft/file-upload/server/content/files/1608bf271b182b---sixuwoburisixaximupexepoj.pdfIn PDF document text
- http://bestbelly.org/content/files/files/62984078115.pdfIn PDF document text
- https://www.intermediastudios.com.mx/wp-content/plugins/super-forms/uploads/php/files/954146e1813fafea87fd86187e04d1b3/mawiduduxewareguvulupo.pdfIn PDF document text
- http://www.iece.in/userfiles/file/14298645854.pdfIn PDF document text
- http://webscape.co.bw/wp-content/plugins/formcraft/file-upload/server/content/files/1606d354995be0---73574341982.pdfIn PDF document text
- https://duext.com/wp-content/plugins/super-forms/uploads/php/files/2fdbfda2adc8840db7f030890e273a0c/40439724154.pdfIn PDF document text
- http://www.bewegeninarnhem.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16083d91f138cc---zalojanezusutojobawalo.pdfIn PDF document text
- http://hrjok.com/uploadfile/file/wisavemokidivifililadamin.pdfIn PDF document text
- http://gf-location.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160c12b52794aa---vinesasol.pdfIn PDF document text
- http://christschoolblr.in/userfiles/file/fewokinemodolabameg.pdfIn PDF document text
- https://creationstationdance.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c2d516ed5dd---surekog.pdfIn PDF document text
- https://too.kg/wp-content/plugins/super-forms/uploads/php/files/79d368d3e1fb632bf967263c86238c79/gamodakokojukupubug.pdfIn PDF document text
- https://machinex-machines.com/UserFiles/File/ninukel.pdfIn PDF document text
- https://www.advids.io/wp-content/plugins/formcraft/file-upload/server/content/files/160986891c9df9---565978638.pdfIn PDF document text
- http://www.expo-hotel.com/english/wp-content/plugins/formcraft/file-upload/server/content/files/160b950a46c462---97599577312.pdfIn PDF document text
- http://accessprecision.com/userfiles/file/fasilarejiberekugud.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_off0000f469.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF469 | 17660 bytes |
SHA-256: ad8de37e2879a47d8949926f2c4c65323f7836e8c89014e762b203bcd7752430 |
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font_01_sfnt_off00012272.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12272 | 10600 bytes |
SHA-256: 66195d4c22ab900caca5e9ef4a68a46b90223713a6633bd9d86f246f2d06660a |
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font_02_sfnt_off00013a79.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13A79 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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