MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm hosted on compromised WordPress upload directories, pointing to numerous unknown URLs. The document body is unreadable, but the presence of these link farms suggests a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://carthink.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a0955425730---mulejinilamiwedasew.pdf In PDF document text
- http://www.mtpartnersfl.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d05f38ada8e---30101661651.pdfIn PDF document text
- http://goldenbaycruisesagent.com/userfiles/file/refekerazom.pdfIn PDF document text
- http://lapawan15.com/shop/fck_file/file/bekezadatanulumalako.pdfIn PDF document text
- http://ks4073.com/file_media/file_image/file/povum.pdfIn PDF document text
- http://brmxn.com/userfiles/file/20210515061323_nx7hir.pdfIn PDF document text
- http://lab4050.com/upload/editor/file/18873318868.pdfIn PDF document text
- https://www.unicodesystems.com/wp-content/plugins/super-forms/uploads/php/files/sllddbr3usq2dsopsp594o4od2/26522204828.pdfIn PDF document text
- https://alkalacarservice.com/public_html/userfiles/file/nenapekaxi.pdfIn PDF document text
- https://bevelec.com/bevelec/dossierMois/file/45531490487.pdfIn PDF document text
- https://alsterparkett.de/wp-content/plugins/super-forms/uploads/php/files/bgh9fut9t3pg2l3e3hm0fi9co4/37788682572.pdfIn PDF document text
- http://manavpublicschool.org/manav/userfiles/file/96108459513.pdfIn PDF document text
- http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/3fm7gjdim2g4rl9mpdj2c72lh5/52569883256.pdfIn PDF document text
- https://clubelsendero.com/img_pag/file/64063683411.pdfIn PDF document text
- http://www.redactordecontenidos.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160907c29a575f---60382291667.pdfIn PDF document text
- http://slsnn.ru/content/file/tolewuxir.pdfIn PDF document text
- http://alibabashipping.com/userfiles/file/49747084580.pdfIn PDF document text
- http://www.asejnrtigers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1606e563b18d2b---57104773858.pdfIn PDF document text
- https://www.ideaklinikbakirkoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c85e1582dca---50622877409.pdfIn PDF document text
- http://xn--90aoj0agf7cq.xn--p1ai/uploads/files/29111668113.pdfIn PDF document text
- https://sellos-mecanicos.com/wp-content/plugins/super-forms/uploads/php/files/008432ef4ec89d659bba5ce074d1555f/58241363046.pdfIn PDF document text
- http://sshs1962.info/clients/3/33/33dcd814b32da85629335a95ab3d0158/File/remerajefasifer.pdfIn PDF document text
- https://utilitydiscount.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081f8aba2940---regibi.pdfIn PDF document text
- http://acpiindia.com/userfiles/file/37909240363.pdfIn PDF document text
- https://www.beadvised.co.uk/wp-content/plugins/super-forms/uploads/php/files/59163de65e542191f76a0836cd58613f/nakuxefider.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=linksys+ae3000+driverPDF 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_off00017b9d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17B9D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000193af.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x193AF | 19092 bytes |
SHA-256: 5deae7d7235c818849c309990d83398da78210d71ff2e536933de47eddfffbe9 |
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font_02_sfnt_off0001c560.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1C560 | 10500 bytes |
SHA-256: c5ed5165f89148398b8907f1a8aff83fb69988ce736323ac44bb31c4849eab7f |
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