MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links to external websites, many of which are hosted on compromised WordPress installations or disposable domains, suggesting a link farm designed to redirect users to malicious content. No scripts were extracted, but the presence of multiple external URIs and the overall heuristic profile strongly indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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://infrive.ru/uplcv?utm_term=friv+menu+games+choo+choons PDF link annotation
- https://teenvolunteerhouston.org/wp-content/plugins/super-forms/uploads/php/files/a5d066d5454c255cccba7a15815c7193/vemonixarotevejal.pdfIn PDF document text
- https://autotronics.vn/userfiles/file/kezatoxixote.pdfIn PDF document text
- http://alpinedelhi.com/userfiles/files/telepukozobax.pdfIn PDF document text
- http://westernstudioservice.com/admin/userfiles/file/35460377213.pdfIn PDF document text
- https://aljuboori.com/userfiles/files/2134772770.pdfIn PDF document text
- https://www.tctnanotech.com/wp-content/plugins/super-forms/uploads/php/files/0fa112c744443f50809f63ee340c3a11/614321847.pdfIn PDF document text
- http://asirius.su/wp-content/plugins/super-forms/uploads/php/files/b5f48d0b073e4731470cdd1240e698a0/25279409981.pdfIn PDF document text
- https://vandolderskb.com/images/usr/kedisuzuwaxevinoduvu.pdfIn PDF document text
- https://louvre.lv/res/wysiwyg/file/mugotokewasimibevuwupena.pdfIn PDF document text
- http://vdgairconditioning.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c931dc49447---gibosonemodaso.pdfIn PDF document text
- http://coeb.eu/userfiles/files/64943045629.pdfIn PDF document text
- http://sport-way.ru/img/file/90252568468.pdfIn PDF document text
- http://tfforming.ru/d/files/37091511863.pdfIn PDF document text
- https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/ug6ugdbicm17ug3k0pfq3cca3t/43705416770.pdfIn PDF document text
- https://ashleymongolia.mn/uploads/files/38102094788.pdfIn PDF document text
- https://leunamgroup.com/wp-content/plugins/super-forms/uploads/php/files/38211e94b0a35819abbab87d3334589c/59050269091.pdfIn PDF document text
- http://mountmedpharmacy.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160ca06f5a243f---41521022946.pdfIn PDF document text
- https://www.budgetskemaet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160ab76b86a06b---79510573094.pdfIn PDF document text
- https://ecomassage.pt/wp-content/plugins/super-forms/uploads/php/files/90n14pktssiphs5vf66pske5eh/74616116293.pdfIn PDF document text
- https://bestrecycledautoparts.net/images_i/file/83896825721.pdfIn PDF document text
- http://ifa-astrologie.de/userfiles/file/vekabuvoratigapupewaj.pdfIn PDF document text
- https://zlatartopalovic.rs//files/pelijewavezolebujas.pdfIn PDF document text
- https://www.adcgrain.com/wp-content/plugins/super-forms/uploads/php/files/67f4562c7422fe391dc5913161bde444/kizewiv.pdfIn PDF document text
- http://leaguengn.com/userfiles/file///60860554657.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_off0000d0fa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD0FA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e911.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE911 | 10676 bytes |
SHA-256: 4c10c6e3cdfcca2e57d883f45f482726d52547d3697d6b200c731cee4eee4e40 |
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font_02_sfnt_off00010154.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10154 | 16304 bytes |
SHA-256: 0331fb34123f49350842764d897987494c58f8a5df1eb4148eaae15a10460958 |
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