MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised websites or disposable hosting, indicating a link farm designed to obscure the ultimate destination. Heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' strongly suggest this is a tactic to lure victims. The ML classifier and ClamAV detection further support its malicious nature, likely as a phishing or malware delivery mechanism.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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 http://kfbi.ru/content/file/kimunepu.pdf In PDF document text
- https://masterpieces-mallorca.com/wp-content/plugins/super-forms/uploads/php/files/ff8bf120aa3e260ded695bdd657bf3fe/virotarejaxibe.pdfIn PDF document text
- http://laclonghotel.vn/upload/files/wilegalavawasuditupefupag.pdfIn PDF document text
- https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/160f81841b53da---berododuxadopojev.pdfIn PDF document text
- https://accesoriosalmayor.com/images/userfiles/file/kajunisenoporemivaxoba.pdfIn PDF document text
- http://traiteur-ribot.fr/userfiles/file/banowewuloxudajelojod.pdfIn PDF document text
- https://e-motorcycle.tw/upload/emotorcycle/files/jiveveturiwagenagoxi.pdfIn PDF document text
- http://trainternational.in/wp-content/plugins/formcraft/file-upload/server/content/files/160814cc718937---21103421482.pdfIn PDF document text
- https://yourownadviser.com/ckfinder/userfiles/files/33915133605.pdfIn PDF document text
- http://shukokai-voves.fr/userfiles/file/vufizikepanonu.pdfIn PDF document text
- https://sieuthigo.vn/upload/ck/files/91352461812.pdfIn PDF document text
- https://observatoire-omic.org/documents/file/guzenaxuzivinexuzetonozo.pdfIn PDF document text
- http://www.lentilles-progressives.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160adec99c47db---25557271470.pdfIn PDF document text
- http://harissarantis.com/userfiles/files/nogewetagevadovobax.pdfIn PDF document text
- https://www.speeddating.lt/speeddating/ckfinder/userfiles/files/nebusezamisotovof.pdfIn PDF document text
- https://kermanrooz.com/img/files/5638350689.pdfIn PDF document text
- http://rszm88.com/upfolder/e/files/20210731052143.pdfIn PDF document text
- http://pho32shabu.com/uploads/files/gaxunixesa.pdfIn PDF document text
- http://abnicum.ru/files/file/fupibipunevemisis.pdfIn PDF document text
- http://harasim.cz/uploaded/files/loriporujurow.pdfIn PDF document text
- http://www.bc-arman.kz/ckfinder/userfiles/files/32264405621.pdfIn PDF document text
- http://az4group.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b5f98949876---18228386687.pdfIn PDF document text
- http://geraldinekilkelly.ie/guzodosuvuxavexuju.pdfIn PDF document text
- https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/o0idg9gbaadtuhgvt2rhog6hg6/68114133975.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=terpenes+structure+pdfPDF link annotation
- 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_off0000bf04.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBF04 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d71b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD71B | 10256 bytes |
SHA-256: a4955fe2336fdef065042013a3a05d9f515317327b9e354753b917424164ace3 |
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font_02_sfnt_off0000ee45.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE45 | 17900 bytes |
SHA-256: 56ea166ee78546bd6a8e790de298462505b06770616dbf46726415c88aa56f84 |
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