MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous external links, many hosted on compromised or disposable domains, suggesting a link farm designed to redirect users to malicious sites. The presence of 'utm_term' in some URLs further supports a phishing or spamming campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://pixomot.ru/uplcv?utm_term=inflammatory+bowel+disease+questionnaire+pdf PDF link annotation
- http://grandfiltr.com/files/file/kamikerularekifojiba.pdfIn PDF document text
- https://pmms-online.com/assets/file/86665492208.pdfIn PDF document text
- https://xn--78-6kce7dfhb9dwb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/350086c1c85a8d6d6ef557af4dd9b349/81695259204.pdfIn PDF document text
- https://digitaluzaktanegitim.com/calisma2/files/uploads/kijijawezineramusomuzaz.pdfIn PDF document text
- https://castilloexterior.es/ckfinder/userfiles/files/32745107714.pdfIn PDF document text
- https://bednidhitraders.com/userfiles/file/65069684160.pdfIn PDF document text
- http://tecniagua.es/uploads/ckfinder/files/sedekasaxagajij.pdfIn PDF document text
- https://franciscovalles.comtraining.cl/userfiles/files/jirawixowojiwewi.pdfIn PDF document text
- https://lsp.od.ua/wp-content/plugins/super-forms/uploads/php/files/9tqafc2fpdl2q2kbl3glos4si3/9573626435.pdfIn PDF document text
- http://iucecb.com/files/file/25080062646.pdfIn PDF document text
- http://palazzodiaz.com/userfiles/files/96475781700.pdfIn PDF document text
- http://www.pzkexie.com/up_files/file/pomosejizidibedojeragiri.pdfIn PDF document text
- http://teplo76.ru/uploads/file/69667334384.pdfIn PDF document text
- https://euronuts2009.ge/files/files/wapidovikepuwokuxitunag.pdfIn PDF document text
- http://pkpneu.cz/userfiles/file/fejesemojiwupip.pdfIn PDF document text
- http://tokyoto.pl/UserFiles/file/68227754519.pdfIn PDF document text
- http://baloneacessorios.com/_upload/file///22002533764.pdfIn PDF document text
- http://euroambulans.pl/userfiles/file/nomiku.pdfIn PDF document text
- http://medrea.ru/upload/files/niximikuzawexumodeja.pdfIn PDF document text
- https://www.caesarstravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/161365c4b28da1---93893178581.pdfIn PDF document text
- https://vas-vill.hu/userfiles/file/lifamaketedalifogixunaki.pdfIn PDF document text
- http://turinhotelcompany.com/userfiles/files/60668806904.pdfIn PDF document text
- http://ebd.su/UFD/7623/files/44332273905.pdfIn PDF document text
- https://sharjahcements.com/images/bulk_images/files/gejodegiga.pdfIn PDF document text
- http://asiancfea.org/userfiles/file/34238464245.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_off0000d73d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD73D | 11196 bytes |
SHA-256: e91a09ff2a48b26fb2504629c104ba609719837beacc81d7b0786790cf8ec14d |
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font_01_sfnt_off0000f112.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF112 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010924.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10924 | 16968 bytes |
SHA-256: a30db1cd29a5c10c6f21ec445ca2afcdcec0e11f6ef781068ce7934f9f3468e6 |
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