MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains a link farm pointing to various domains, many of which appear to be compromised WordPress sites or disposable hosting, suggesting a phishing or malware distribution scheme. The presence of embedded URLs and the heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly support this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://oniceh.ru/uplcv?utm_term=meralco+bill+sample+pdf PDF link annotation
- http://ccspevents.com/clients/24998/File/7744146102.pdfIn PDF document text
- https://karapinarinsaat.net/userfiles/upload/file/sabefodixogibemotuw.pdfIn PDF document text
- http://fst-uinsu.net/userfiles/files/gefabisudelukozek.pdfIn PDF document text
- https://kamber.dk/wp-content/plugins/super-forms/uploads/php/files/009ec3f9103a7e6b34c77e1372bc5c6e/17303532606.pdfIn PDF document text
- http://anhbanglaw.com/userfiles/file/mazozosumawanazijijuko.pdfIn PDF document text
- http://studiostocchi.eu/userfiles/files/16990797346.pdfIn PDF document text
- https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/eb8edea2d2defce28aa91d56bf2b55e1/gisuji.pdfIn PDF document text
- http://vivaibonomo.it/userfiles/files/39859680913.pdfIn PDF document text
- https://syteq-pro.com/userfiles/file/gajejolafux.pdfIn PDF document text
- https://www.xcelsus.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607d063f2ec52---wimaxagaligebufizigedilo.pdfIn PDF document text
- http://deltastal.ru/userfiles/file/88023934023.pdfIn PDF document text
- http://remont-elektro.eu/archiv/file/nonogizafovigabifabo.pdfIn PDF document text
- http://julieesteban.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610343d5462fb---fireviwegow.pdfIn PDF document text
- https://rachelrom.com/rescontent/file/zowumujovapozafuxev.pdfIn PDF document text
- http://starrsgazette.com/admin/images/file/lotajok.pdfIn PDF document text
- https://nikoljski.com/ckfinder/userfiles/files/56019613941.pdfIn PDF document text
- http://www.fullertherapy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611b44de02c3a---zuzevorukij.pdfIn PDF document text
- http://fd-health.com/upload/ckeditor/files/23147771290.pdfIn PDF document text
- http://gianphoiduyloimodel.com/Images_upload/files/pujat.pdfIn PDF document text
- http://cl-metalparts.com/d/files/lawetenavofonodukep.pdfIn PDF document text
- https://abyway.lv/images/ck_images/files/91474787833.pdfIn PDF document text
- http://sushigonewildtogo.com/uploads/files/peborutitofimi.pdfIn PDF document text
- https://tonitomov.com/picture/file/74239989624.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_off0000b9c4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB9C4 | 16696 bytes |
SHA-256: eca3caa40224b5c55d2b30bdaa2eb80aeddea368a9a7c55cf4480500fc6e313c |
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font_01_sfnt_off0000e46a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE46A | 10712 bytes |
SHA-256: 07be26b67865da55c29b349fd0833bad3755035aee4e232fdd65631abd154fa2 |
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font_02_sfnt_off0000fcc0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCC0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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