MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample was identified as malicious by a ClamAV signature and an ML classifier, indicating a high likelihood of malicious intent. Heuristics indicate the PDF acts as a link farm, directing users to multiple external websites, some hosted on potentially compromised CMS platforms. The presence of numerous unknown URLs suggests a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9963
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://rais.bg/uploads/file/kitozoxibijalu.pdf In PDF document text
- http://www.novosib-sport.ru/ckfinder/userfiles/files/febepizi.pdfIn PDF document text
- http://pincesorvarshop.hu/editor_up/60770864510.pdfIn PDF document text
- http://www.wcd.com.tw/ezadmin/ckfinder/userfiles/files/losaxagenawexeno.pdfIn PDF document text
- http://studioturina.com/userfiles/files/xemodomabapizafixejusa.pdfIn PDF document text
- http://www.whirlpool-beachcomber.at/wp-content/plugins/formcraft/file-upload/server/content/files/16138fc845fc26---97616110568.pdfIn PDF document text
- https://www.auto-ecole-acm.com/ckfinder/userfiles/files/wofosadozukirumapu.pdfIn PDF document text
- https://topclassgreenery.nl/images/file/30290219806.pdfIn PDF document text
- https://www.hdcorp.com.br/wp-content/plugins/super-forms/uploads/php/files/mm63cplmcv008p3d3kl162bace/89725678719.pdfIn PDF document text
- https://jmtours.co/aym_image/files/xolevolekolalagigenoj.pdfIn PDF document text
- http://anthonyjcincottalaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/21894418292.pdfIn PDF document text
- https://webshopplus.nl/app/webroot/files/userfiles/files/11058785064.pdfIn PDF document text
- http://fosterfreezesantarosa.com/uploads/files/wukawizukusugon.pdfIn PDF document text
- https://gauravkankariya.com/wp-content/plugins/super-forms/uploads/php/files/1a0119b01fe8c69d9100cf1ee2de60f6/53422371177.pdfIn PDF document text
- http://lblussana.it/images/file/73231017354.pdfIn PDF document text
- http://strap.sk/uploads/files/43696610251.pdfIn PDF document text
- http://artdental.hu/editor_up/welunuterasukuvajufuxolu.pdfIn PDF document text
- http://ativn.com/upload/file/fofawumidivasukir.pdfIn PDF document text
- http://gshosnab.ru/userfiles/file/28862007874.pdfIn PDF document text
- http://worldnaturalfood.com/image/upload/File/57105753280.pdfIn PDF document text
- http://theydeserveastamp.org/wp-content/plugins/formcraft/file-upload/server/content/files/161331b6879b4e---fujakefi.pdfIn PDF document text
- http://pietrek.com/MARCUS/files/file/bojuxufojolo.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=chopin+waltz+in+a+minor+pdfPDF 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_off0000bac3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBAC3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d2d5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD2D5 | 17744 bytes |
SHA-256: 241d1e7e3376f72a814209b118a62408e76ec8f252975284655c06c0670139b6 |
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font_02_sfnt_off0000ff91.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF91 | 10640 bytes |
SHA-256: c31a8943db6a9e62d791d3629c67796ca7b2dddb5e6a7b1b281beb5c945e2726 |
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