MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. It contains numerous links to compromised WordPress sites and disposable hosting, suggesting it functions as a link farm to distribute malicious content or phish for information. No scripts were extracted, but the PDF structure and embedded URLs strongly indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
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://elenasteele.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a273294e9e---49425931443.pdf
- https://inchirieriavioane.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc88e304d5---22615689219.pdf
- http://botosani.ro/img/uploads/file/dorodonimegawigoxaka.pdf
- http://ahchala.com/img/file/dolozavizitowik.pdf
- http://flirdining.com/uploads/files/xerizaje.pdf
- http://xn--80aikni6a0b.xn--p1ai/images/file/14292070465.pdf
- https://abril.pe/wp-content/plugins/super-forms/uploads/php/files/l7fl6ij1750vpiicg4agghe36i/78164939237.pdf
- https://getlovebooks.com/wp-content/plugins/super-forms/uploads/php/files/8845f50941ec860e4f014d9485782105/tidufaxewiwovenab.pdf
- http://slp61.com/clients/e/e2/e296dcecfd7d10ffef0cc83fef253c72/File/82070432908.pdf
- https://aldurra.ly/images-editeur/img/file/58261232449.pdf
- https://deconkhoemanh.com/wp-content/plugins/super-forms/uploads/php/files/ks6sobu3oitqia193cjsseqnb3/rivunarasubax.pdf
- https://nowackleverkusen.de/wp-content/plugins/formcraft/file-upload/server/content/files/16079999e3bcf4---fuvogufamas.pdf
- http://cedresarquitectura.com/wp-content/plugins/formcraft/file-upload/server/content/files/160adc8832a33d---rokuf.pdf
- https://eastmanllc.net/ckfinder/userfiles/files/41414546929.pdf
- http://www.misshandicap.ch/wp-content/plugins/formcraft/file-upload/server/content/files/16078c80c9a34d---49561963119.pdf
- http://andreevmag.com/wp-content/plugins/super-forms/uploads/php/files/ba02e56736aff8fa2eff2c5239c7acb1/baxewegupana.pdf
- http://aksaxena.com/bpms/includes/fckeditor_uploads/userfiles/file/10392149736.pdf
- https://www.qlsny.com/wp-content/plugins/super-forms/uploads/php/files/ff9d55bb97c883fe2e6c584c8677d8ac/39962652792.pdf
- http://pinturasoltra.com/images/slider/files/44288936039.pdf
- http://www.deopendeur.org/imgUser/file/xejozapekuxurupaf.pdf
- https://infravoip.com/wp-content/plugins/super-forms/uploads/php/files/cc0c09a957672b7c88241d57dd5b821d/jebuzu.pdf
- http://www.scmphotography.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160b195e276257---91085759021.pdf
- http://www.darvidproperty.com/news/file/23728866377.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=perimeter+of+rectangle+and+square+worksheets
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000de92.bin0a9e5b55fce5d840ec85158adf4ac3cdd57eea9fd8a8269ba6ab5b33ce09ae75 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE92 | 11348 bytes |
font_01_sfnt_off0000f8aa.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8AA | 16792 bytes |
font_02_sfnt_off000110bc.bin68b43ea6dd06b76bacd86c1f72860e9b624dee43dd62bbc9a0e21eeb97f28899 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x110BC | 16608 bytes |
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