MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as malicious by ML classifiers and ClamAV, indicating a phishing or malware distribution attempt. The PDF contains numerous external links, many pointing to compromised WordPress sites, suggesting a link farm designed to redirect users to malicious content. The presence of embedded URLs and the overall structure strongly suggest this PDF acts as a lure, likely intended to be delivered via spearphishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://oniceh.ru/uplcv?utm_term=chestnut+obstetric+anesthesia+pdf+download PDF link annotation
- http://alessandrobelleseveterinario.eu/userfiles/files/76088415416.pdfIn PDF document text
- https://law.myvzl.com/wp-content/plugins/super-forms/uploads/php/files/3202fr1vjfdv2l4dmbcep9cf07/tuginuvofizevubor.pdfIn PDF document text
- http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160833670f0d90---15457790891.pdfIn PDF document text
- http://colegiosantarosa.com/uploads/imagem/file/77378863127.pdfIn PDF document text
- https://webmodels.studio/wp-content/plugins/formcraft/file-upload/server/content/files/160d4c7b5348d9---2891615412.pdfIn PDF document text
- http://victorylimo1.com/wp-content/plugins/formcraft/file-upload/server/content/files/160985f7146a75---79841593078.pdfIn PDF document text
- http://uniroll.pl/user_images/file/paxonejaro.pdfIn PDF document text
- http://arniuniversity.in/ci/userfiles/files/36129240106.pdfIn PDF document text
- https://www.saammohaseb.ir/wp-content/plugins/super-forms/uploads/php/files/1dfda54c693fb5144971c8dc98be7ead/25008616123.pdfIn PDF document text
- http://fullx.net/files/83537490481.pdfIn PDF document text
- http://www.schule.havonix.com/ckfinder/userfiles/files/3521424254.pdfIn PDF document text
- https://europawindow.com/app/webroot/img/main_content/files/28354511199.pdfIn PDF document text
- https://bauarch.bg/files/lakadafifebufoni.pdfIn PDF document text
- http://georgekoldun.com/var/upload/file/76691298361.pdfIn PDF document text
- https://designclarf.it/file/xevax.pdfIn PDF document text
- http://safeabortionnepal.com/userfiles/file/77809133110.pdfIn PDF document text
- http://cedresarquitectura.com/wp-content/plugins/formcraft/file-upload/server/content/files/16118e147b0ede---modejev.pdfIn PDF document text
- https://provisionsinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611733f295d1b---46655853171.pdfIn PDF document text
- http://www.canadavisaservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aaea1b81f18---zewumobu.pdfIn PDF document text
- https://www.adelaarenergy.com/wp-content/plugins/super-forms/uploads/php/files/c1nm2gjb4nuekittvsu3nuamd5/50818039336.pdfIn PDF document text
- https://fitnessrev.net/wp-content/plugins/super-forms/uploads/php/files/egq0ca0934s60aetn76ri57dra/10822136636.pdfIn PDF document text
- http://www.mediagrand.hu//data/editorfile/niwasijidelu.pdfIn PDF document text
- http://vhktn.at/images/content/files/tovono.pdfIn PDF document text
- http://www.pes.edu.mn/ckfinder/userfiles/files/96315969891.pdfIn PDF document text
- https://www.zulilighting.com/wp-content/plugins/super-forms/uploads/php/files/1731f74bf98b1adb6d36219e868e408f/xarinezawazapojijakik.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_off0000f9ca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9CA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000111dc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111DC | 20428 bytes |
SHA-256: 25422dbfa5b0ebc20dac56cf0cbb532c359ad92be00421067889e6977fba788b |
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font_02_sfnt_off00014702.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14702 | 11076 bytes |
SHA-256: 66d1a96cf14583d5a2abb1dd5d8985c3c5cba19b6697ad65f8ab60562c78423e |
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