MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains a link farm with numerous URLs pointing to compromised WordPress sites and disposable domains, suggesting a phishing or malware distribution attempt. The ClamAV detection and ML classifier strongly indicate malicious intent, likely to lure users to external sites for further compromise.
Machine Learning
- Nyx PDF Classifier malicious score 0.9927
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://norservis.info/files/files/7869400508.pdf In PDF document text
- https://evocative.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16091d89377ec5---varodusasepalofej.pdfIn PDF document text
- http://www.marsagri.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094457c1d7d6---85484301491.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e77a3f01f9f---mawuzadenolojawuvo.pdfIn PDF document text
- https://impariant-club.ru/wp-content/plugins/super-forms/uploads/php/files/8c02e9dfc4f0b6cf1ea638b80df11866/renejusexetobibawol.pdfIn PDF document text
- http://www.marcado.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607b6cd62b193---24170029105.pdfIn PDF document text
- https://zabulgaria.org/userfiles/file/mijaduvifozito.pdfIn PDF document text
- http://sl1971.com/clients/5/51/517263f0417f9379c67e6eba0e0bdfe8/File/badudore.pdfIn PDF document text
- https://thesmithgrouphouston.com/wp-content/plugins/super-forms/uploads/php/files/3e30b9b1678460b6e8a171ae57ed0fb5/38575500069.pdfIn PDF document text
- https://www.bevillelecomte.com/ckfinder/userfiles/files/wesulebefagipunefolu.pdfIn PDF document text
- http://www.pranabkumar.com/fckimages/file/kisadirorujor.pdfIn PDF document text
- https://mebelpozakazu.ru/wp-content/plugins/super-forms/uploads/php/files/829a75f2a0d1dc9c506cb7f896949ba8/83860385674.pdfIn PDF document text
- https://bilbox.es/wp-content/plugins/super-forms/uploads/php/files/0c672fcec6343212707132e61b79306c/tamopeti.pdfIn PDF document text
- http://www.putnamtaxi.net/wp-content/plugins/formcraft/file-upload/server/content/files/16076fa05c10e1---meruxitez.pdfIn PDF document text
- https://www.hungarianassociation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076d89322c9c---22224175265.pdfIn PDF document text
- http://valkexclusief.reviews/app/webroot/files/userfiles/files/58278611081.pdfIn PDF document text
- https://landi-bg.com/images/file/86374714076.pdfIn PDF document text
- http://www.catalogodecineargentino.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cc7cd483dd4---ferojeka.pdfIn PDF document text
- http://countrysquirefoods.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ce4763f219---25262120159.pdfIn PDF document text
- https://jotekonybakterium.hu/userfiles/files/muzugutajanumojedom.pdfIn PDF document text
- http://www.consorcio.edu.pe/wp-content/plugins/formcraft/file-upload/server/content/files/1607169e5bddcb---18781411871.pdfIn PDF document text
- https://fortlauderdale-carservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f3e1498c0af---76393552351.pdfIn PDF document text
- https://www.andimoda.com/wp-content/plugins/super-forms/uploads/php/files/df7156f708b1f5f6f1c04c875e7c6351/wamexit.pdfIn PDF document text
- https://www.shinoda-usa.com/ckfinder/userfiles/files/lepivor.pdfIn PDF document text
- http://xn--80aafbkbafwdti1ahihccrg.xn--p1ai/pict/file/91611346695.pdfIn PDF document text
- http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/16073b0b3ae588---81215240251.pdfIn PDF document text
- https://www.arc-welding.co.uk/wp-content/plugins/super-forms/uploads/php/files/edh44janatvgk790im9h4s9s90/38734026700.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=gym+workout+book+pdfPDF 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_off00010e5f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E5F | 17320 bytes |
SHA-256: 9eb16cda5f10460b8c6f9f9244feb9a6e17009833e10ea85e199a379b6a71c16 |
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font_01_sfnt_off00013b7b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13B7B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00015392.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15392 | 10524 bytes |
SHA-256: 5980df29274340565716d4c1bf3392c214491049e621073a129e03a80c7cd963 |
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