MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links pointing to compromised WordPress sites, indicating a link farm designed to obscure the final destination. Heuristics suggest these links are part of a phishing or malicious content distribution scheme. The ML classifier and ClamAV detection strongly support a malicious classification.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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 http://www.sarajevo-inn-grunewald.com/wp-content/plugins/formcraft/file-upload/server/content/files/160995daa06197---posulagifedez.pdf In PDF document text
- http://mko-yug.ru/wp-content/plugins/super-forms/uploads/php/files/5e88d87d0fbc2e83156adc512b2353e9/31853610639.pdfIn PDF document text
- https://inchirieriavioane.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160828e45af6c9---kikasuketa.pdfIn PDF document text
- https://www.pferde-fuer-unsere-kinder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609cea2702b3f---45999169549.pdfIn PDF document text
- http://4grd.com/cmsimages/file/85238948204.pdfIn PDF document text
- http://brucemsmithlaw.com/clients/e/e2/e252bfde01ef004f685a9648d307a4b9/File/beladupikerujarofu.pdfIn PDF document text
- https://leicht-spb.ru/wp-content/plugins/super-forms/uploads/php/files/352e1a198587bf4d9747ad416770d216/2723270548.pdfIn PDF document text
- https://dedywiredja.com/wp-content/plugins/formcraft/file-upload/server/content/files/160833ca3bbe83---12590671801.pdfIn PDF document text
- http://argentum.com/wp-content/plugins/super-forms/uploads/php/files/hlpivkqljpjsgpq9r41hof5hgb/45527747118.pdfIn PDF document text
- https://realwebguys.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072224b9a150---96459563410.pdfIn PDF document text
- http://joshuadacosta.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072288d1b4a9---14685091379.pdfIn PDF document text
- http://wildpflanzen-planung.de/file/5526190995.pdfIn PDF document text
- http://terapeutickemasaze.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1608fbfa90a726---65777750860.pdfIn PDF document text
- https://aulacvn.com/upload/fck/file/2655087553.pdfIn PDF document text
- https://sckprime.com/wp-content/plugins/super-forms/uploads/php/files/f5444f181a22dbd4f606714e920e0cf1/safizanafomubi.pdfIn PDF document text
- http://tksvolga.ru/userfiles/file/99151524300.pdfIn PDF document text
- https://ateneoarbonaida.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b8b56884ee---28292975122.pdfIn PDF document text
- http://dok-vo.ru/userfiles/file/35343709942.pdfIn PDF document text
- https://maydongy.com/wp-content/plugins/super-forms/uploads/php/files/rr4fb5s613j0dv97qrsoclt9s3/73574231772.pdfIn PDF document text
- https://unicornproduction.gr/wp-content/plugins/super-forms/uploads/php/files/a21eed6dd9891479ccf7ebb20145a783/10358382104.pdfIn PDF document text
- https://luxurytravel-show.com/wp-content/plugins/super-forms/uploads/php/files/56e99301f1ab758efe1091bcfe21f50c/kalijavatisod.pdfIn PDF document text
- https://capitaleny.com/wp-content/plugins/super-forms/uploads/php/files/458e04aeeaf80069b47153c1138c58d7/kovoxelevur.pdfIn PDF document text
- https://www.guestquesttravelmedia.com/wp-content/plugins/super-forms/uploads/php/files/7gpnm63a091dmii8jgukrr18tv/51996488892.pdfIn PDF document text
- https://www.superioreagle.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cb9575d969b---refebe.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=traci+lords+stephen+kingPDF 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_off0000f6e1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6E1 | 17828 bytes |
SHA-256: 4a027066a65841d4260cea84a7e29186a7e31a91cc748c9f345c42df60b4b61a |
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font_01_sfnt_off000125b9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x125B9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013dd0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13DD0 | 10848 bytes |
SHA-256: 7cb6f223bd5981f98a6a1a9fd16a6d7a6e264c24256d86b7ff53ccc9407feca1 |
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