MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file contains numerous embedded URLs that point to various domains, many of which appear to be compromised or disposable hosting. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a link farm structure, suggesting the PDF's primary purpose is to redirect users to external sites. The ClamAV detection as 'Pdf.Phishing.Trojan' further supports a malicious intent, likely phishing or malware distribution through these links. No scripts were extracted, but the structure and URL patterns are indicative of a malicious link distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
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://inwebjor.ru/uplcv?utm_term=extra+loud+ringtones PDF link annotation
- http://hkalc.com/userfiles/56685318946.pdfIn PDF document text
- http://egyptlance.com/userfiles/file/xakikikazejow.pdfIn PDF document text
- http://bigbulkbags.ahmadpackages.com/survey/userfiles/files/17826842775.pdfIn PDF document text
- https://best-turbos.com/wp-content/plugins/super-forms/uploads/php/files/35ea21a9bc63440eaf6253f14db90025/67942309779.pdfIn PDF document text
- https://gotoko.com/cmsv2/upload/files/zagarifalevedumuxemopo.pdfIn PDF document text
- http://didaconcept.com/admin/fckeditor/file/39199172119.pdfIn PDF document text
- https://xn--i1aam8cb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/4c0dd726c307b3f1a9cf563b9280fd57/89105667446.pdfIn PDF document text
- http://zhuxintrading.com/uploads/ckfinder/files/20210908/16310535115966.pdfIn PDF document text
- https://www.inkfactory.pk/wp-content/plugins/formcraft/file-upload/server/content/files/161425c8a9ada2---13331577729.pdfIn PDF document text
- http://culfordequestriancentre.org/UserFiles/file/garamolutipufagugirisax.pdfIn PDF document text
- https://www.formwork.co.uk/wp-content/plugins/super-forms/uploads/php/files/d1oibf05qvvfvjdp0qk0egaljp/19289749545.pdfIn PDF document text
- http://ducthoaudio.com/upload/files/dejupavafeno.pdfIn PDF document text
- https://tatvan.in/userfiles/file/23124212244.pdfIn PDF document text
- https://spotiverify.com/ci/userfiles/files/79088908027.pdfIn PDF document text
- https://accidentmatters.com/ckfinder/userfiles/files/67455600489.pdfIn PDF document text
- http://abimobiliare.pl/pliki/File/josuvezoxavuxudevafa.pdfIn PDF document text
- https://t2sc.me/userfiles/99233713011.pdfIn PDF document text
- https://lbjgold.in/ckfinder/userfiles/files/44166179724.pdfIn PDF document text
- https://albizy.com/ckfinder/userfiles/files/fozuj.pdfIn PDF document text
- https://byocamacho.com/ckfinder/userfiles/files/67143806287.pdfIn PDF document text
- http://www.anclupnapoli.it/userfiles/file/2159085223.pdfIn PDF document text
- http://galerie45.com/userfiles/file/73787250365.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_off0000b1b3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB1B3 | 10608 bytes |
SHA-256: c597ce782a41387ab7617a452fc877359999ebebe8ade9bc041843087b64c2f9 |
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font_01_sfnt_off0000c9d3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC9D3 | 16660 bytes |
SHA-256: 2a8bdd3cbd76bee365dfc63ef5ca2aced0c19358a87c02eb4b9950ed65f3e350 |
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font_02_sfnt_off0000f420.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF420 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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