MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample was identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm pointing to compromised WordPress uploads and disposable hosting, suggesting a phishing or malware distribution lure. The embedded URLs, while numerous, are primarily used to redirect to these compromised sites, serving as the primary attack vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9967
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 http://www.pattyn360.com/upload/forum/files/64515368906.pdf In PDF document text
- http://esrafisek.com/images_upload/files/81023578352.pdfIn PDF document text
- https://kitapkapla.com/upload/ckfinder/files/jiwutedenetija.pdfIn PDF document text
- http://mosjob.ru/images/file/zopudezip.pdfIn PDF document text
- https://traveltokiev.com/wp-content/plugins/super-forms/uploads/php/files/ibrclvtvg8dae93bd1bg7a0ja7/pibewisaxaroxutiburefokeb.pdfIn PDF document text
- https://sgdivorcelawyers.com/wp-content/plugins/super-forms/uploads/php/files/47479b59bfc65066e4c699d20be983b2/43230026711.pdfIn PDF document text
- http://rwdwebwebdesign.com/img-aim/files/kukef.pdfIn PDF document text
- https://medosojewellery.com/userfiles/files/54367902601.pdfIn PDF document text
- http://itaindustrial.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608fe4b19c64d---xemametijakekapiwomub.pdfIn PDF document text
- https://miamivanservice.net/wp-content/plugins/formcraft/file-upload/server/content/files/1606ef8fe38c9b---60324301885.pdfIn PDF document text
- http://aksaaydinlatma.com/img/editor/image/file/towujosofakurajigik.pdfIn PDF document text
- https://www.idahomedia.com/wp-content/plugins/super-forms/uploads/php/files/fe458299ab4e6f88a5c90f0f85b821b8/ranovarirepimomamu.pdfIn PDF document text
- https://kicksomeglass.com/wp-content/plugins/super-forms/uploads/php/files/fdf5b45a6ebbf00b9dc6711f016bc7bc/17450341130.pdfIn PDF document text
- https://catherinehourihan.art/wp-content/plugins/super-forms/uploads/php/files/d567d5c2ce378a6f28ac5ab7cbbd4f6f/bataxuxebazexajox.pdfIn PDF document text
- http://dirabrealtors.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609bc8da885ff---rifisebesokubapepopuzeve.pdfIn PDF document text
- http://www.stratcareerservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160807b85d0d07---62226863711.pdfIn PDF document text
- http://manufim.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160c52120ec021---5614968370.pdfIn PDF document text
- http://bruningfoundation.com/clients/9/99/99acc79c432c4c389b364f5b25189af3/File/surulewiwaza.pdfIn PDF document text
- http://collegium-connect.nl/ckupload/files/45317334101.pdfIn PDF document text
- https://eyestech.in/wp-content/plugins/super-forms/uploads/php/files/2f33kqi4dr4ahco1bpk7mmf1pb/52714539134.pdfIn PDF document text
- https://www.hotwaterfactory.com.au/wp-content/plugins/super-forms/uploads/php/files/3ad24482dbe0b1a1d431c6218c8b8ba3/43475646090.pdfIn PDF document text
- http://galantemontagnana.it/ckfinder/userfiles/files/fujabagozurabanikupuzedev.pdfIn PDF document text
- https://artbynela.com/uploads/file/99467707272.pdfIn PDF document text
- https://agrilaui.com/userfiles/file/pokewulipezesasi.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=naomi+campbell+marriedPDF 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_off000142d0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x142D0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00015ae2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15AE2 | 18548 bytes |
SHA-256: 66118cdc187559fdf6a8bd6d6cc5286a45007bb602c06275ca39f35e95828674 |
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font_02_sfnt_off00018ac5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18AC5 | 10424 bytes |
SHA-256: 05f5fe3ebc69740e66275894d8861214c31bafb3ee2eb080a18170e6822fea26 |
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