MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was identified as malicious by ML classifiers and ClamAV, indicating it is a phishing or trojan PDF. It functions as a link farm, containing numerous URLs that point to compromised WordPress sites and other disposable hosting, likely to distribute further malicious content or phish for credentials. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic confirms the nature of these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://crewmak.ru/uplcv?utm_term=types+of+gear+and+their+uses PDF link annotation
- https://fellowpeo.com/wp-content/plugins/super-forms/uploads/php/files/d0d9e4606cf45b6acd9dc9cb89a66f70/gobon.pdfIn PDF document text
- https://rubenoferro.com/userfiles/file/ziniwezozupetusokonaxadi.pdfIn PDF document text
- https://baobihungphu.com/media/ftp/file/xifutegofiseximajavujone.pdfIn PDF document text
- https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/23db6ce84557a4d360f027b0d2d0918a/60123908562.pdfIn PDF document text
- http://londonjip.com/userData/board/file/54643996395.pdfIn PDF document text
- https://thewaves.net/wp-content/plugins/super-forms/uploads/php/files/61bqv6saaju2hht9r2rcb7a34u/27524824053.pdfIn PDF document text
- http://ipjanah.ir/wp-content/plugins/super-forms/uploads/php/files/mfpfbhhv7lhocju9222tnfu5l2/subimuwudebasojebizuf.pdfIn PDF document text
- https://www.engltg.com/wp-content/plugins/super-forms/uploads/php/files/708e130659978ead9dfc739716b13584/46710619716.pdfIn PDF document text
- https://rmissio.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160b471734bd88---zatofav.pdfIn PDF document text
- https://tavcam.com/upload/ckfinder/files/lilisuvatezibaweru.pdfIn PDF document text
- http://aaexpansionjoint.com/wp-content/plugins/formcraft/file-upload/server/content/files/160abf8f862228---veresofawipodixusuripem.pdfIn PDF document text
- http://www.hptindia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a374da48f76---tabixivufeguwe.pdfIn PDF document text
- http://thaiboxes.com/piceditor/file/xizadi.pdfIn PDF document text
- https://law.myvzl.com/wp-content/plugins/super-forms/uploads/php/files/8e9m81j74r5j0hp6cs7h9hah3f/52731370661.pdfIn PDF document text
- http://ngocvietbungalow.com/upload/files/9170302656.pdfIn PDF document text
- http://anhuishangbiao.com/upload_fck/file/2021-5-1/20210501081111296719.pdfIn PDF document text
- https://eseninternational.com/uploads/files/tomezanutasilabav.pdfIn PDF document text
- http://busanpc1.com/upload/fckeditor/file/71511261762.pdfIn PDF document text
- https://www.sabiamente.es/wp-content/plugins/formcraft/file-upload/server/content/files/1608012de869b3---92217480633.pdfIn PDF document text
- http://tznjl.com/userfiles/files/12773865919.pdfIn PDF document text
- https://calmoinc.com/upload/editor/file/jurutexilomopigupo.pdfIn PDF document text
- https://whitelightdesign.com/wp-content/plugins/super-forms/uploads/php/files/b3faf3fd7efd792c7cbf50af2d4267d1/vumozoxudinuwolonoxu.pdfIn PDF document text
- https://ecef-groupe.com/wp-content/plugins/super-forms/uploads/php/files/s44na5mmfghdsdpaep88a87fs1/gazisawilelipo.pdfIn PDF document text
- http://wardwrightself.com/clients/863644/File/68970557962.pdfIn PDF document text
- http://ducthoaudio.com/upload/files/26194037789.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_off0000e783.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE783 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ff9a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF9A | 10908 bytes |
SHA-256: d072d02a719d934817ee0c1dbff72c563bb9c3b8ffa8e093d64f5f45d8c35781 |
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font_02_sfnt_off000118a6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x118A6 | 16568 bytes |
SHA-256: ed714ff634743e26f48c8e99e74baa12394ec7e2b4206ee4ca562d8f7782b213 |
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