MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links pointing to compromised WordPress sites, suggesting a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to deliver a secondary payload. No scripts were extracted, but the PDF structure itself is used to host and link to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
Heuristics 7
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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 to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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://cityclick.it/userfiles/files/velukemomuk.pdf
- https://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/160a6b7fa053b4---xukodibavalakipupa.pdf
- https://dmvassociates.com/wp-content/plugins/super-forms/uploads/php/files/b5a4f5983f602079eccc81666dab5cc4/votexujufuzuxir.pdf
- http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085dd8468ee9---pigepupo.pdf
- https://skazkavdom.com/wp-content/plugins/super-forms/uploads/php/files/97eba6d83329d2cac88c7903d0286a28/pukedatamagu.pdf
- http://norilskgu.ru/userfiles/file/14125531590.pdf
- http://anhuishangbiao.com/upload_fck/file/2021-5-17/20210517024454557242.pdf
- https://qualitycountscleaning.com/wp-content/plugins/super-forms/uploads/php/files/33b79bacd41fe49d6264b021eddae662/28065928304.pdf
- https://arvikabc.com/images/uploadedimages/file/7562386044.pdf
- http://www.studiolegalefusimorelli.com/wp-content/plugins/formcraft/file-upload/server/content/files/160815165135d4---58670128856.pdf
- http://biosurfest.com/userfiles/files/setato.pdf
- http://metapolar.hu/tmp/71522779993.pdf
- https://saftanton.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1609891f6c9c5e---16585785159.pdf
- http://workprohealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079967df000e---30583545657.pdf
- http://pathtojanna.com/userfiles/files/84955830134.pdf
- http://villaturri.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a244fc8fa5b---70445530193.pdf
- https://mudateconmigo.cl/wp-content/plugins/super-forms/uploads/php/files/89786510c0c1320a8483126728b30aff/4169998933.pdf
- http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/cc9qn5inqe9uash9q4rs8h8in7/1158084500.pdf
- https://luxmarketing.agency/wp-content/plugins/super-forms/uploads/php/files/8s3vrvi7b56tkij0mrshfne4ms/monofobafodamasuzagomu.pdf
- http://bacviettech.vn/userfiles/file/nenenokamutisatax.pdf
- http://rolfingnaples.com/clients/a/a5/a5422f62036d2d393d866963e902351c/File/83006388654.pdf
- https://www.arc-welding.co.uk/wp-content/plugins/super-forms/uploads/php/files/09nkc5286rq6r48ip23noe70qa/52246185350.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=stomach+tightness+and+constipation
- https://medlineplus.gov/constipation.html
- 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_off0000e9bc.bin17629402edecc58b0a20070801c71a2be2c0caa45f200f2380f5e94b066a3daf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9BC | 10892 bytes |
font_01_sfnt_off00010289.bin10e94bccb33f0a47d10c6ba8972d3a8655e829c778dcc93f8e5c2b6527c9f8dd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10289 | 15904 bytes |
font_02_sfnt_off00012b95.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B95 | 16792 bytes |
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