MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The 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 pointing to compromised WordPress uploads and other potentially disposable hosting, suggesting a phishing or malware distribution lure. The embedded URLs, while some are marked benign, are part of a larger pattern of redirection to suspicious domains.
Machine Learning
- Nyx PDF Classifier malicious score 0.9751
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://b2cexpressdemo.com/userfiles/file/23822136768.pdf In PDF document text
- http://cbgnfinance.com/userfiles/file/nogosizepirepuka.pdfIn PDF document text
- http://cablexconsulting.com/Upload/file/15034577860.pdfIn PDF document text
- https://winston-woodward.com/wp-content/plugins/super-forms/uploads/php/files/be72986df077c6b510be7f1f9f8e60c5/gazoxisolobi.pdfIn PDF document text
- https://willmarareachamber.com/ckfinder/userfiles/files/pusazi.pdfIn PDF document text
- http://expertcomptablecourreges.fr/michel_courreges/userfiles/file/42576746791.pdfIn PDF document text
- http://www.guus.edu.mn/ckfinder/userfiles/files/16149732894.pdfIn PDF document text
- http://groupkaishan.com/d/files/kusebekoguzupovexupogixi.pdfIn PDF document text
- http://adabaskimerkezi.com/upload/file/vovaxa.pdfIn PDF document text
- https://shining4u.com/wp-content/plugins/super-forms/uploads/php/files/8fd8e930c1be0971ba51471cf347add5/tuzuxurupotegebin.pdfIn PDF document text
- https://jollytime.ru/wp-content/plugins/super-forms/uploads/php/files/acb164490aa44706d5d8fbddc4d929e1/45807024190.pdfIn PDF document text
- http://leap-egypt.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b85b14ea147---pivuregidetudo.pdfIn PDF document text
- https://bwawarszawa.pl/upload/file/11954824356.pdfIn PDF document text
- https://xn----7sbabak5acz7byau.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/65f718242cc9643c421357bded58b809/79230253031.pdfIn PDF document text
- http://ash-graphy.com/userfiles/file/zuwixotazuzinuwesipelib.pdfIn PDF document text
- http://criollo-cocoa.com/userfiles/file/3850236966.pdfIn PDF document text
- http://pizzeria-millemiglia.de/app/webroot/img/editor/file/88400422426.pdfIn PDF document text
- https://cristalensi.com/public/File/18069487051.pdfIn PDF document text
- https://weeb.nu/userfiles/file/jajonaduvisi.pdfIn PDF document text
- https://pirkitpadangas.lt/ckfinder/userfiles/files/60698644761.pdfIn PDF document text
- http://traiteur-ribot.fr/userfiles/file/dodusojif.pdfIn PDF document text
- http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/160988fce3018d---ribasiniluwuwomukopafita.pdfIn PDF document text
- http://www.adanakursmerkezi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090f2c2d4f98---66018806932.pdfIn PDF document text
- https://istanajp2.com/contents//files/64868121598.pdfIn PDF document text
- http://jjmcp.jp/userfiles/Image/file/98608518065.pdfIn PDF document text
- https://www.hausbootgeiseltalsee.de/wp-content/plugins/super-forms/uploads/php/files/tjeiedv9ul6oqet31k1uk707bq/37707979086.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=inkjet+printer+is+a+type+ofPDF 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_off0001a2d6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1A2D6 | 18848 bytes |
SHA-256: e17286c106e43bb5a82c1f15a70d5fb033d3bc2d4393408fede5c5f001af9629 |
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font_01_sfnt_off0001d477.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1D477 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001ec8e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1EC8E | 10592 bytes |
SHA-256: a8ae184b569357a430709860a04818c20bfc2295850977e4df68fbb0e8fc05b6 |
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