MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links pointing to compromised WordPress sites, suggesting an attempt to host and distribute malicious files. The presence of a 'link farm' heuristic and the ML classifier flagging it as malicious further support this. While no scripts were directly extracted, the PDF structure and embedded URLs indicate a phishing or malware distribution vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://area34.info/wp-content/plugins/super-forms/uploads/php/files/vs3eqm832jgvd3ineeue44u9r7/witudarejoravonev.pdf In PDF document text
- http://adabaskimerkezi.com/upload/file/38935049076.pdfIn PDF document text
- http://mauspro.net/upload/files/zakozubusijuzixotewetupa.pdfIn PDF document text
- http://novaserv.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075aff3329dc---xibudonogukejugekinipag.pdfIn PDF document text
- http://ciaooo.ru/uploades/userfiles/file/22154974040.pdfIn PDF document text
- http://doktor-okonski.pl/uploadimg/file/biwejafedifezanavomeme.pdfIn PDF document text
- http://parejalecaros.com/adjunto/upload/fck/files/57066333978.pdfIn PDF document text
- https://swotin.com/wp-content/plugins/formcraft/file-upload/server/content/files/160847b55958e4---tavas.pdfIn PDF document text
- https://binhruamuinanobac.com/wp-content/plugins/super-forms/uploads/php/files/292d9cnlu4t6qkrgk3cen1on5f/fixovefogamikiroxifipeb.pdfIn PDF document text
- http://alexlunacoach.com/img/editor/file/mevulalitono.pdfIn PDF document text
- http://hk-dcc.com/wp-content/plugins/super-forms/uploads/php/files/k06304322ch5vksdsl4jm1ubhb/zojaru.pdfIn PDF document text
- https://capital-tic.com/upload/ckfinder_temp/files/20210527050417.pdfIn PDF document text
- http://ca1970.com/clients/10044/File/27249301028.pdfIn PDF document text
- https://beautyyaurient.com/editor_upload/file/xewosuxoruxodifaramibare.pdfIn PDF document text
- https://www.davidcosz.de/wp-content/plugins/super-forms/uploads/php/files/j53dfbmsaokidik7rh79rb11ok/petetekuxawopudutadelebi.pdfIn PDF document text
- https://htfcompact.com/wp-content/plugins/super-forms/uploads/php/files/80e39c7bc3242403786721fb41599a15/98851444207.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=chemistry+book+pdf+downloadPDF 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_off0000ef75.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF75 | 11224 bytes |
SHA-256: c3eb82fecaaaf2e3ed936ea370678874691adbfcfcb33b8eff82666de4e04b56 |
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font_01_sfnt_off00010972.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10972 | 16636 bytes |
SHA-256: 3648f3fa002ab65f08eb12d8a8a1ddb754262227c16181c33007c90639ecb5a1 |
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font_02_sfnt_off000134ad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x134AD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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