MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable hosting, suggesting it functions as a link farm to distribute further malicious content. The presence of 'utm_term' parameters in some URLs indicates a phishing or spamming campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9938
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 https://oniceh.ru/uplcv?utm_term=antiemeticos+veterinaria+pdf PDF link annotation
- https://allcreaturesinc.com/files/files/dujomirajugerafil.pdfIn PDF document text
- http://ddservice-bmw.pl/userfiles/file/2367600997.pdfIn PDF document text
- https://genesislighting.net/wp-content/plugins/super-forms/uploads/php/files/19884bd48ca97ecd24a443406c8d3596/zopaluzukuviposujipep.pdfIn PDF document text
- http://syntrend.critical.tw/upload/files/53620036743.pdfIn PDF document text
- http://amfmeg.org/wp-content/plugins/formcraft/file-upload/server/content/files/160b6813d98cac---11438017224.pdfIn PDF document text
- https://global-brand.net/userfiles/files/vikibagoluregax.pdfIn PDF document text
- http://bluestandard.pl/ckfinder/userfiles/files/laxabepa.pdfIn PDF document text
- https://wurstfargo.com/wp-content/plugins/super-forms/uploads/php/files/84f46306859cb5c47c12bb2d70c012cc/11115357357.pdfIn PDF document text
- http://cleanyachts.it/writable/public/userfiles/file/dibawepom.pdfIn PDF document text
- https://www.cdscabling.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160d9e5bcb3fbb---97193064947.pdfIn PDF document text
- https://www.a2zmedical.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1610534b0a71f9---6005842235.pdfIn PDF document text
- https://www.advids.io/wp-content/plugins/formcraft/file-upload/server/content/files/16077f2c912ac2---nutos.pdfIn PDF document text
- https://hmradiatoriai.lt/images/files/pagitasinizusemitexasa.pdfIn PDF document text
- http://www.bufolari.com/public/immagini/file/dujaxojidijizo.pdfIn PDF document text
- http://sankofalectureseries.com/clients/a/ae/ae3037074ff26ae8502dacd236f4ced8/File/41961875252.pdfIn PDF document text
- https://hagepoorter.be/files/files/71324683196.pdfIn PDF document text
- https://veritiesinstitute.com/wp-content/plugins/super-forms/uploads/php/files/4edb60699d9f63da161bafd03a13b4ca/78624195354.pdfIn PDF document text
- http://mgmkt.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a6ac80a1d65---tujakutipa.pdfIn PDF document text
- http://archgeo-leszno.pl/uploads/userfiles/files/defufoziboj.pdfIn PDF document text
- http://cochu.net/resimler/files/88748048380.pdfIn PDF document text
- http://www.akutrans.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088dd0d48cdf---83769167280.pdfIn PDF document text
- http://www.liveartsaskatchewan.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f93ae422082---dulalawaxogopulebutak.pdfIn PDF document text
- https://assurancemauricie.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b114f17219---85773136447.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_off000124a5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x124A5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00013cbc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13CBC | 10780 bytes |
SHA-256: 9d47aaf80b037cc0ed69abe534928bc7b06ea422e73378035838d527551fac4b |
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font_02_sfnt_off0001559f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1559F | 20156 bytes |
SHA-256: e546858ea49ff052a0b70509c0eb7869e646f8e62dd7d654694ab5d42321c7bc |
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