MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains numerous embedded links, many of which point to compromised CMS uploads and disposable hosting, suggesting a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly indicate malicious intent. While no scripts were directly extracted, the PDF structure and embedded URLs are indicative of a spearphishing attachment designed to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
Heuristics 7
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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 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://www.yourhealthyourchoice.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609aa40a6c0e6---12299431467.pdf
- https://krantiservice.com/ckfinder/userfiles/files/guliperokuvo.pdf
- https://profbuhotchet.ru/wp-content/plugins/super-forms/uploads/php/files/0f0cf2baee9830d7eed0367cae388bdf/pikikexikevalotirisani.pdf
- https://audreyheselmans.com/_files/file/mevuxevivapiviremig.pdf
- https://temahr.hr/files/fobepidirifu.pdf
- http://www.saraviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160be9f2eec1c2---tolekinezininupunekumik.pdf
- https://lastcallslc.com/wp-content/plugins/super-forms/uploads/php/files/3f7f529984b304d3057956525aa1cf10/mifuputabifomugadeju.pdf
- http://clubesquilacoma.com/uploads/files/dewefemonix.pdf
- http://egyptlance.com/userfiles/file/popemukuwunubomutovoki.pdf
- https://humanistbeauty.com/wp-content/plugins/super-forms/uploads/php/files/e73kod4ituv6h91545ai0pfoi9/labixovumab.pdf
- https://agriplan-rs.com/dados/ckfinder/files/10856608421.pdf
- http://www.liveartsaskatchewan.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2ad7b4f389---dexukagopo.pdf
- http://mebco.ru/images/file/zadotawowuxedukido.pdf
- http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/dcq04s4ahmmniulk0ln8iq5rf5/savasutosogonuxibige.pdf
- http://www.jcca.co.in/wp-content/plugins/formcraft/file-upload/server/content/files/1609876f16fa46---bozamekawerijixulun.pdf
- https://www.arc-welding.co.uk/wp-content/plugins/super-forms/uploads/php/files/qohe1rmvdj85ohv5nsu9gj8pae/momafinifozagujemalijemuf.pdf
- http://ithaca1961.com/clients/875375/File/56904371002.pdf
- http://dralituncer.net/userfiles/file/pozevuzanuzug.pdf
- http://servis-hradec.cz/files/file/25697513913.pdf
- https://fatheragneliti.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b6ff84146cd---niguwo.pdf
- https://xn----7sbbjg7ctfs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/d1b42c33725938e975083065ce0f6b45/fikegafosexozup.pdf
- http://aggengr.com/uploads/CMS/file/fijudatukumofuve.pdf
- http://faw-asia.com/image/upload/files/72370644215.pdf
- http://www.anclupnapoli.it/userfiles/file/zizikotakenew.pdf
- http://www.highlandmetals.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16075c5a671c7d---73963995732.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=divisiones+de+3+cifras+resueltas+con+prueba
- 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_off0000de55.bin32743c2a52c4db8c4ae6c7a95470f411312b5058b7579e6d025c28af7c0f6154 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE55 | 11092 bytes |
font_01_sfnt_off0000f827.bin4d3742850c70158f775a9fbac6105d41321fea6158023c88d0be5f3ff0155fbd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF827 | 17316 bytes |
font_02_sfnt_off000123a4.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x123A4 | 16792 bytes |
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