MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, indicating a high likelihood of malicious intent. The document contains a link farm pointing to multiple compromised websites, likely serving as a lure for users to download software, as suggested by the 'tubemate mod apk' UTM parameter. The presence of external URIs and link farms on disposable or compromised hosting further supports a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
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://medvor.ru/uplcv?utm_term=tubemate+mod+apk PDF link annotation
- https://anzmrrn.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607b65e5d208d---bepikixomemevuxoru.pdfIn PDF document text
- https://lllk.ru/wp-content/plugins/super-forms/uploads/php/files/27d21b2437602b2c38ae182d5518b75e/fedosalazuwikak.pdfIn PDF document text
- http://homenet-spb.ru/userfiles/file/81234054484.pdfIn PDF document text
- http://gentlemensquartersbarbershop.com/wp-content/plugins/super-forms/uploads/php/files/b218f97ff9516543152f910815f7a4e8/10459591474.pdfIn PDF document text
- http://totaleclipsenv.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b3b0436940c---jojirivix.pdfIn PDF document text
- http://www.champcaregivers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607727e6eb7af---pudekopedaxemerovuten.pdfIn PDF document text
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a64a00d2da8---27530659393.pdfIn PDF document text
- https://iamluno.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090733586eda---32440555785.pdfIn PDF document text
- http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/a136025a44605f380ef2ec440cd28dc4/kutoxabitulegek.pdfIn PDF document text
- https://www.opdrrustukalac.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609341f7eef60---wujanabafagulizuruvo.pdfIn PDF document text
- http://www.canadiantreasurer.com/wp-content/plugins/formcraft/file-upload/server/content/files/160731a7c202ce---21140714335.pdfIn PDF document text
- http://yuanyoujie.vip/userfiles/file/72864402213.pdfIn PDF document text
- https://www.growxponential.com/wp-content/plugins/super-forms/uploads/php/files/u381ucqrlhub7sl15jn6g3crsj/96645938757.pdfIn PDF document text
- https://www.hamburgeriaagricola.com/wp-content/plugins/super-forms/uploads/php/files/j7280t550m7cjohd2aru82q2ou/pafuwidibepolifudor.pdfIn PDF document text
- https://wpsqld.com.au/wp-content/plugins/super-forms/uploads/php/files/0430691a862a0512d841a5b55d9dee9e/dobexixapibidowalalur.pdfIn PDF document text
- http://a2itsolutions.com/chop/multimedia/userfiles/file/vagutije.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e71b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE71B | 4952 bytes |
SHA-256: 9a4decafb7c6c63c7782a93f1cb0be6275b9fbdd57bec247e430a345bd0d5cd3 |
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font_01_sfnt_off0000f7db.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7DB | 13040 bytes |
SHA-256: 28c4140e8f80d4797f4c485366f547f725f17f6d9b6f275e77cd4ba23c99d34a |
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