MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, with numerous embedded URLs pointing to compromised WordPress sites and other domains, suggesting a phishing or malware distribution scheme. The file's structure and the presence of multiple external links are consistent with attempts to lure users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://philabc.ru/uplcv?utm_term=home+screen+launcher PDF link annotation
- https://ncfouting.com/wp-content/plugins/formcraft/file-upload/server/content/files/161328234c6593---1166660485.pdfIn PDF document text
- https://relans-nn.ru/images/docs/file/41504939033.pdfIn PDF document text
- https://www.golaw.net/wp-content/plugins/formcraft/file-upload/server/content/files/1614118d42aa2d---xogejutedowiluvikepuv.pdfIn PDF document text
- https://www.costaverde.it/wp-content/plugins/formcraft/file-upload/server/content/files/1614145346c583---fotuto.pdfIn PDF document text
- http://sk-uralstroy.ru/uploads/files/2737199950.pdfIn PDF document text
- http://esrafisek.com/images_upload/files/95635044848.pdfIn PDF document text
- https://forkidsvietnam.vn/wp-content/plugins/super-forms/uploads/php/files/rnno61ismnf8iatnn17qb7krch/xokoxevanudinitalorowojer.pdfIn PDF document text
- http://www.southpointinstitutehowrah.com/admin/uploads/file/doganojazid.pdfIn PDF document text
- http://chongthamphucthang.com/images/news/files/suwolawonekudozowexonada.pdfIn PDF document text
- http://staceyasp.com/UserFiles/file/2763770851.pdfIn PDF document text
- http://naucharts.com/ckfinder/userfiles/files/gefikisiwuruneg.pdfIn PDF document text
- https://armour-technoz-ca.otzol.net/ckfinder/userfiles/files/6363325267.pdfIn PDF document text
- http://vakantie-noordlimburg.nl/ckfinder/userfiles/files/muvuw.pdfIn PDF document text
- https://swimproject.eu/wp-content/plugins/super-forms/uploads/php/files/243a09b179103e08d7333aa8d958c040/xaterifujuzoti.pdfIn PDF document text
- http://aan.kz/ckfinder/userfiles/files/xewuzewimovuladosaxa.pdfIn PDF document text
- https://leise.ru/admin/ckfinder/userfiles/files/kunuluwi.pdfIn PDF document text
- https://www.prowallpanama.com/wp-content/plugins/super-forms/uploads/php/files/58e62c35958514310a83cbd1760a2753/kevitopukofojuxen.pdfIn PDF document text
- https://beaumont-residence.com/wp-content/plugins/super-forms/uploads/php/files/viqk1m89dn0lviebogrbh6e33c/suroguwevu.pdfIn PDF document text
- http://namlinhchivietnam.net/userfiles/image/file/21125206951.pdfIn PDF document text
- http://szpk.hu/_user/file/29801533880.pdfIn PDF document text
- http://auto-rad.pl/userfiles/file/90969266105.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_off0000d15d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD15D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e96f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE96F | 16788 bytes |
SHA-256: 13b24a933d70b5c181e6f8164029a6e089d4c8c52e47c7c7d303576d0269e3a6 |
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font_02_sfnt_off00011499.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11499 | 10396 bytes |
SHA-256: fa6fd3b685aea054ce191956422a62ff59c28c0f08ad5513eac195acc60fa2f9 |
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