MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. Heuristics indicate the PDF contains a link farm pointing to compromised WordPress uploads and disposable hosting, suggesting a phishing or SEO poisoning attack. No scripts were extracted, but the numerous embedded URLs are the primary indicators of malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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://cructi.ru/uplcv?utm_term=what+is+quickstep+app+in+android PDF link annotation
- http://portakalweb.net/home/portakal/public_html/ckfinder/userfiles/files/86209382404.pdfIn PDF document text
- https://ofly.om-digitalsolutions.cn/upload/files/17886647718.pdfIn PDF document text
- http://protech.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/16143ed01e63f1---nuvamufumubolujodabo.pdfIn PDF document text
- http://vietsonplastic.com/uploads/userfiles/file/73320203419.pdfIn PDF document text
- http://www.finanzanlagen-honorarberatung.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613ab01cb73a6---gemugexojovaseluvuzine.pdfIn PDF document text
- http://newmob.it/userfiles/files/62996726529.pdfIn PDF document text
- http://trungnguyenjsc.vn/uploads/image/files/nexanovifedunu.pdfIn PDF document text
- https://verlauf-ekb.ru/admin/ckfinder/userfiles/files/kewiwonidasezegex.pdfIn PDF document text
- http://peaceinsrilanka.lk/ckfinder/userfiles/files/sivitudovogusawabedi.pdfIn PDF document text
- http://www.kinoimaging.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613a0b3123de8---70638735997.pdfIn PDF document text
- https://halkapsikoloji.net/userfiles/file/zazobujago.pdfIn PDF document text
- http://finadev-groupe.com/userfiles/file/porazatumi.pdfIn PDF document text
- http://mrybalko.ru/files/fuganivasatuwomejo.pdfIn PDF document text
- http://dmn.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16141cb9765646---47463435109.pdfIn PDF document text
- http://lotusromeo.fr/app/webroot/files/userfiles/files/66190037269.pdfIn PDF document text
- http://idcla.net/upload/files/52580850618.pdfIn PDF document text
- http://diamantina-joaillerie.com/ckfinder/userfiles/files/2190137570.pdfIn PDF document text
- http://mamtomchabahai.com/uploads/files/files/jotijiv.pdfIn PDF document text
- http://abwingsmd.com/uploads/files/74670480059.pdfIn PDF document text
- https://www.ijdsir.com/ckfinder/userfiles/files/lelewafajozad.pdfIn PDF document text
- https://orangerun.re/photo/files/kerawigedipewu.pdfIn PDF document text
- https://cepatdaftargroup2.com/contents/files/74331219491.pdfIn PDF document text
- http://phongthuydotho.vn/upload/files/ginobab.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_off0000b361.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB361 | 15084 bytes |
SHA-256: a1daef730221bdd2e9a47865fcfca4ffaebb91ea7c97050fa07e4ee8d3dbb202 |
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font_01_sfnt_off0000d9c5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9C5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f1dc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1DC | 10896 bytes |
SHA-256: 926005faaaef3108d6449d5cc6b7e1700f3cbe7cab8decdfccb173b0b83ee0e1 |
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