MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by multiple heuristics as malicious, including a high-confidence ML classifier and ClamAV detection. It contains numerous links, many pointing to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of external URIs and link farm indicators strongly suggests a phishing or malware distribution attempt.
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://queure.ru/uplcv?utm_term=the+invisible+man+1932 PDF link annotation
- http://clean-ecology.com/Upload/files/14678932924.pdfIn PDF document text
- https://inmasa.com/imatges/file/60426087958.pdfIn PDF document text
- http://rts-3.ru/upload/files/45035803182.pdfIn PDF document text
- http://ydtmuhendislik.com/ckfinder/userfiles/files/93542165555.pdfIn PDF document text
- https://www.cukoyem.com.tr/wp-content/plugins/super-forms/uploads/php/files/p5cp2tj63do4o5oipkt9sfhrq5/kefas.pdfIn PDF document text
- https://areshin.ru/wp-content/plugins/super-forms/uploads/php/files/3be20a798e21be378bdedd31e0ebd5d8/31249782776.pdfIn PDF document text
- https://petribax.com/userfiles/file/44699531881.pdfIn PDF document text
- https://www.bmo-agencement.fr/ckfinder/userfiles/files/14334040249.pdfIn PDF document text
- http://dr-onesrl.com/userfiles/files/zifijagajerapaxafe.pdfIn PDF document text
- http://vipavtoufa.ru/wp-content/plugins/super-forms/uploads/php/files/0492275af7ca63aac82013d8f6467aac/73161500507.pdfIn PDF document text
- http://eubeer.vn/uploads/files/80787528448.pdfIn PDF document text
- http://bretagne.annuaire-regional.com/ckfinder/userfiles/files/xabox.pdfIn PDF document text
- https://interconformity.ro/images/file/kevifebapatujigoxo.pdfIn PDF document text
- http://xn--b1agaa2anfqdp.xn--p1ai/ckfinder/userfiles/files/ruxituwuvizonupi.pdfIn PDF document text
- http://hanmih.com/userfiles/file/20210921040742.pdfIn PDF document text
- https://ivanamihic.com/files/rupafituxunuxe.pdfIn PDF document text
- http://nakloboucku.cz/uploaded/file/vikadixoxifipemawoxepe.pdfIn PDF document text
- http://localhomesales.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161581a6d9d569---16973247571.pdfIn PDF document text
- http://karinameal.ru/imgdish/files/84217205041.pdfIn PDF document text
- http://gazdalkodjokosan.hu/img/userfiles/file/72314343340.pdfIn PDF document text
- http://snsi.jp/image/news_file/sazimovo.pdfIn PDF document text
- http://dolphinkorea.com/files/files/megatamub.pdfIn PDF document text
- http://www.timtransportes.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/1614c6a50f0934---somuwamozugoxitimepa.pdfIn PDF document text
- http://sbkf.org/files/files/loralemuwudafunedamegiwo.pdfIn PDF document text
- http://indiebookoftheday.com/wp-content/plugins/formcraft/file-upload/server/content/files/16157fa3a5aedb---marewidizuwilifaduvisatub.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_off0000b424.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB424 | 14852 bytes |
SHA-256: 74a0697fe3a8ca5f294bed662d6aa716cef57f3dfb9d9efd28472eca2ee589c1 |
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font_01_sfnt_off0000d947.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD947 | 10736 bytes |
SHA-256: 2a4a4e1c33c4fb193b6d44cbcb399e3d03f6d4c836265cd6532cd9672eb360b0 |
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font_02_sfnt_off0000f1da.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1DA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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