MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous embedded URLs pointing to potentially compromised WordPress sites and disposable hosting, suggesting a link farm designed to redirect users. The presence of PDF-specific heuristics like 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' and 'PDF_SEO_DISPOSABLE_LINK_FARM' further supports this, indicating the PDF's primary function is to act as a lure to external malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://philabc.ru/uplcv?utm_term=timolol+teuto+bula+pdf PDF link annotation
- http://xahscw.com/userfiles/file/xepidepenepifazuvojofis.pdfIn PDF document text
- https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/665f1e69bfc2e95b424087f8afacb2a1/sirofevarezos.pdfIn PDF document text
- http://kancelaria-perfect.pl/app/webroot/media/files/pikapevidudumesawugesuf.pdfIn PDF document text
- https://luatkhangthai.vn/upload/fck/file/zovufafobemuguxefugufup.pdfIn PDF document text
- http://kaitianjinghua.cn/admin/userfiles/file/202108291054579752.pdfIn PDF document text
- http://iberia-ex.com/images/blog//file/92281382143.pdfIn PDF document text
- https://linardi.ru/files/file/kerunopidesomow.pdfIn PDF document text
- http://www.itidharamshala.in/images/uploads/files/kunidoxenodababugiw.pdfIn PDF document text
- http://dangkyidol.com/wp-content/plugins/super-forms/uploads/php/files/a0ca29ar152hmgvpdmr8iu6qc5/pezubix.pdfIn PDF document text
- https://floridainvestment.cz/files/file/68777500431.pdfIn PDF document text
- http://miwon.com.vn/app/webroot/uploads/files/difavanijasatedemi.pdfIn PDF document text
- https://transcendenceit.com/wp-content/plugins/super-forms/uploads/php/files/0e1c67dfcf93c8812c18342395ca32e0/wiziwatitikubuwuxuwosu.pdfIn PDF document text
- http://dailyliving.nl/ckfinder/userfiles/files/pobuderekokosenaxigobafa.pdfIn PDF document text
- http://daiichigroup.net/uploads/news_file/suvukokawobeveko.pdfIn PDF document text
- https://hotelritariccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/160c867ee60590---vanifareseniwobijiruz.pdfIn PDF document text
- https://www.beachesbrewing.com/wp-content/plugins/super-forms/uploads/php/files/a19e9e4818dfa30dcb3229c5a8aa4c44/46654610969.pdfIn PDF document text
- http://thaide.org/userfiles/file/divepilagugilegobejev.pdfIn PDF document text
- http://viaterrestre.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16076937938124---kodilavonokurudug.pdfIn PDF document text
- https://member-amz-seller-system.de/wp-content/plugins/super-forms/uploads/php/files/82fadc3c9877bb2fff9dd38a6b649043/ripifidosipadetuver.pdfIn PDF document text
- https://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d99bb2339c3---57733959108.pdfIn PDF document text
- https://lllk.ru/wp-content/plugins/super-forms/uploads/php/files/a8f90c48310cab7a5d896bfe6d38596f/vegijopozidojor.pdfIn PDF document text
- http://arlingtonhigh1961.com/clients/e/ef/ef36f0800c0a5d5a0b00d5ecc8c3c6da/File/jujog.pdfIn PDF document text
- http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8d0ffb7cf1---16862832230.pdfIn PDF document text
- http://livinglearningandworking.org/clients/e/e0/e05af8355f71d8da3aa90f500b9284b3/File/dazimax.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_off0000eb79.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB79 | 10488 bytes |
SHA-256: 1d796fa12616a986865be655dafc09a4f4c707070393a84a9112e2a2ffa07f16 |
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font_01_sfnt_off00010312.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10312 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011b24.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B24 | 18592 bytes |
SHA-256: 0433acf5501850803cc5171ba8a20193e5f471d6554f16b78f18f17d8d87e51a |
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