MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous external URIs and link farms, many hosted on compromised WordPress sites, 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 point towards a malicious download lure, likely using embedded JavaScript to facilitate the redirection or download.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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 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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://laborke.ru/uplcv?utm_term=university+physics+young+and+freedman+14th+edition+solutions PDF link annotation
- https://ahi.com.ua/wp-content/plugins/super-forms/uploads/php/files/432c337185457365e7816bd7aec6fa67/loferuvikajadevutazej.pdfIn PDF document text
- http://fedoro.ru/upload/file/97773519854.pdfIn PDF document text
- http://dailymaytrogiang.com/userfiles/files/mosabazo.pdfIn PDF document text
- http://www.cascinasorigherio.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607877e24eb8d---77354601537.pdfIn PDF document text
- https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a0ee71e1927---tivobipimapewokesobudan.pdfIn PDF document text
- https://sk-developers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b45e9d3c774---42333142575.pdfIn PDF document text
- https://jaunimodienos.lt/wp-content/plugins/super-forms/uploads/php/files/6mc2f3l6urgq17doc3svtnerbc/pageriropurizeworejaxu.pdfIn PDF document text
- https://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c82de46fb4---64837296076.pdfIn PDF document text
- https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3e405e84a3---39925356678.pdfIn PDF document text
- https://vivekanandbawwa.com/userfiles/file/28945470831.pdfIn PDF document text
- https://auf.vn/wp-content/plugins/super-forms/uploads/php/files/f0dbhec72fuaeoac6a9r9ajbg4/75660637829.pdfIn PDF document text
- https://haps.company/wp-content/plugins/super-forms/uploads/php/files/aea11vem7k8thjl1n6ba0bskn6/bafoxemameruvefubo.pdfIn PDF document text
- http://circuitvietnamcambodge.com/hinhanh/file/wemukajonuwosumob.pdfIn PDF document text
- https://autotronics.vn/userfiles/file/94389566346.pdfIn PDF document text
- https://ecef-groupe.com/wp-content/plugins/super-forms/uploads/php/files/0csaoi3rhkjiona1eot0h08lv0/lepapuvuviratitemi.pdfIn PDF document text
- https://allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/588cafd1bcaafbd2cfe9d2efec7525fd/gidinonaxuzasoxivu.pdfIn PDF document text
- http://thucancakoihikari.com/luutru/files/43645114004.pdfIn PDF document text
- https://accuratesearch.com/userfiles/file/rulejide.pdfIn PDF document text
- https://www.hospedeagora.com.br/wp-content/plugins/super-forms/uploads/php/files/2765s71ki00v1k0lrku9bf6vdm/71441921537.pdfIn PDF document text
- http://synowka.pl/galeria/file/97711056142.pdfIn PDF document text
- http://ferrogep99.hu/static/media/file/lamodewojo.pdfIn PDF document text
- https://propactionvehiclesuk.tv/userfiles/files/porepowuputiso.pdfIn PDF document text
- http://shmountaineering.co.uk/wp-content/plugins/super-forms/uploads/php/files/6pan92cg54g1737bvueuibcdo7/75610554955.pdfIn PDF document text
- http://studiogiamberardino.it/userfiles/files/12795316620.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_off0000f380.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF380 | 11484 bytes |
SHA-256: f322ce5041d59d0b80a32fda6b86bd882527939ac0897a5e2ec6d2871d84cfb6 |
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font_01_sfnt_off00010e73.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E73 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012685.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12685 | 17924 bytes |
SHA-256: a20b229f405ff3e055d8a9cc1d39192a8af824f20df8f722fe3bd9d3b3f9b57e |
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