MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. It contains a link farm with numerous URLs hosted on disposable domains, suggesting an attempt to obscure the final destination. The presence of these links and the overall structure point towards a phishing or malware distribution campaign, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://mexvp.com/ckfinder/userfiles/files/wejabadaresuxatijef.pdf In PDF document text
- https://aventura-agence.lu/userfiles/files/terisevimilovitolapogevof.pdfIn PDF document text
- http://headrepublic.pl/images/files/30080482120.pdfIn PDF document text
- http://caudafotografia.com/userfiles/files/45578198367.pdfIn PDF document text
- https://californiaoptionsrealestate.com/wp-content/plugins/super-forms/uploads/php/files/c82fabe8f133eb81e7e1478c21957ddc/katopidogozekuki.pdfIn PDF document text
- http://cadelupo.it/userfiles/files/zujajewunasijusok.pdfIn PDF document text
- https://peintures-descours.fr/fichier/files/gomoduw.pdfIn PDF document text
- http://diagcorlifescience.com/attachment/file/24135580290.pdfIn PDF document text
- https://simondaulte.com/ckfinder/userfiles/files/7703135947.pdfIn PDF document text
- http://studiovalecchi.it/userfiles/files/7104680007.pdfIn PDF document text
- https://cvconstructionsgoa.com/pharma/admin/userfiles/file/51743050563.pdfIn PDF document text
- https://mk-sito.it/uploads/file/37550214549.pdfIn PDF document text
- https://austdoorcaocap.com/upload/files/41000630869.pdfIn PDF document text
- https://www.booster-p.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134e162c5f03---lifurixovadurajukupabana.pdfIn PDF document text
- http://ayurveda-shiatsu-nice.com/upload/files/fuzowozuboworakapow.pdfIn PDF document text
- http://veoguidecostarica.com/ci/userfiles/files/jakogufodedidexadekirebe.pdfIn PDF document text
- http://avatars.ru/userfiles/file/diniribexuwebukesoner.pdfIn PDF document text
- https://rosettes.it/userfiles/file/86968951421.pdfIn PDF document text
- https://www.energetisch-therapeut-estie.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613d529f46ee0---satojutelox.pdfIn PDF document text
- http://daivupaint.com/img-chamthi/files/kelukupuwalazasuja.pdfIn PDF document text
- http://old.arcnet.org.tw/ckfinder/userfiles/files/miramoburekigof.pdfIn PDF document text
- http://luchetti.it/userfiles/files/pobelifuxo.pdfIn PDF document text
- http://ellenia3.eu/userfiles/files/jaliwekuzobogikaripo.pdfIn PDF document text
- http://megatex-plast.ru/pub/file/4639094324.pdfIn PDF document text
- https://bosgo.mn/uploads/files/limelonokefof.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=how+to+print+pictures+from+an+android+phone+at+walmartPDF 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_off0000ea7b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA7B | 17620 bytes |
SHA-256: 66ca6443784546aac38a17b750a355221a868a77ee2a26cf0555acb61e96ad25 |
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font_01_sfnt_off0001188c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1188C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000130a3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x130A3 | 11064 bytes |
SHA-256: 5a25bbb867399d82c90c997bf1e28a5a75aaae33c4f9db3b34d7633b619e0891 |
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