MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, directing users to multiple external URLs, many hosted on compromised WordPress sites. The presence of 'utm_term' parameters suggests these links are part of a campaign to drive traffic, likely for phishing or malware delivery. No scripts were extracted, but the overall structure points to a spearphishing attachment.
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://krisoc.ru/uplcv?utm_term=naruto+shippuden+ultimate+ninja+impact+ppsspp PDF link annotation
- https://www.hungryalex.com/wp-content/plugins/super-forms/uploads/php/files/2062fbe828be5ab1d1638504909ceb2b/96017581778.pdfIn PDF document text
- https://certifiedmoversinc.com/wp-content/plugins/super-forms/uploads/php/files/e170dd1fe1da60cc52419ac23ab451f2/darolimojasozowedizuk.pdfIn PDF document text
- https://balance-global.com/wp-content/plugins/super-forms/uploads/php/files/88eddtai1rv313tev352t5o1eq/37818926273.pdfIn PDF document text
- https://autosaloncenter.com/uploads/file/zexonusugejikokurupalitot.pdfIn PDF document text
- https://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a97c186fe90---kogupevajomesakemadazizo.pdfIn PDF document text
- http://argentum.com/wp-content/plugins/super-forms/uploads/php/files/ph8f9mor21ue2mkoilb7bbt5ji/donore.pdfIn PDF document text
- https://flycam.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160904d1995c85---gafuzitelabopukovogutaruw.pdfIn PDF document text
- http://moveisgarciadigital.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160aee03aa1c08---purubukobepiren.pdfIn PDF document text
- https://lightspec.com/wp-content/plugins/super-forms/uploads/php/files/781b27dffb88fd91b61a7e3ba55d1898/veviliw.pdfIn PDF document text
- http://www.brennholz-heinlein.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606fc2f7dd6f6---vudisajuzelisazopuremo.pdfIn PDF document text
- http://berbun.com/user_img/file/65752287514.pdfIn PDF document text
- http://stopasbestos.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160726c764c77d---56782021739.pdfIn PDF document text
- https://bentzendesign.se/wp-content/plugins/formcraft/file-upload/server/content/files/16089e9f5edab1---pubotigetupagizaw.pdfIn PDF document text
- http://zeguvietnam.com/uploads/ckfinder/files/vesutisu.pdfIn PDF document text
- http://novichiha.ru/pic/file/10200237775.pdfIn PDF document text
- https://tavio.ru/files/file/renaleviworalaniguv.pdfIn PDF document text
- https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/160831e2f7d369---kalutewilosopezumogig.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_off0000eabd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEABD | 5360 bytes |
SHA-256: 0eb7b6a62b5a1f9de12e57860a1fdfb64ff5e9dd5c5acc420ee7226769298454 |
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font_01_sfnt_off0000fcd2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCD2 | 11100 bytes |
SHA-256: 8e274c641ffdc4c9f2d87b018b8d93af590325f8dc285edc2edcb5cb35e44b49 |
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