MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links pointing to compromised websites and disposable hosting, indicating a phishing or malware distribution lure. The ML classifier and ClamAV detection strongly suggest malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a malicious document, likely intended to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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 https://krisoc.ru/uplcv?utm_term=world+map+with+details+pdf PDF link annotation
- https://assurancemauricie.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e25f8c2b9ef---fovigok.pdfIn PDF document text
- https://edusfera.pl/upload/file/suwawiwala.pdfIn PDF document text
- http://sierrahighalumni.com/clients/878712/File/15957488300.pdfIn PDF document text
- http://shinhwajudan.com/userData/board/file/favilawowudajulonidujuzo.pdfIn PDF document text
- http://www.magicapro.it/wp-content/plugins/formcraft/file-upload/server/content/files/160b290b5bc2bd---gosixo.pdfIn PDF document text
- https://wecareu.net/ckfinder/userfiles/files/74440284628.pdfIn PDF document text
- https://www.techsrollout.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b5a93d849de---41451859203.pdfIn PDF document text
- https://dailyhondaotomientay.com/upload/files/zivakukisotovosibufasi.pdfIn PDF document text
- http://megalaserasia.com/upload///burunumuxevobisi.pdfIn PDF document text
- http://meyergarden.com/ckfinder/userfiles/files/xolatazalojewolegamun.pdfIn PDF document text
- https://fitnessrev.net/wp-content/plugins/super-forms/uploads/php/files/8cf5l4f2gm86l95d12behguovv/76069052566.pdfIn PDF document text
- http://99hospitalitygroup.com/ckfinder/userfiles/files/mugesutewurabajad.pdfIn PDF document text
- https://www.rath-catering.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606efbb72e480---fupitawimutivawireke.pdfIn PDF document text
- http://xn--oy2b9bv81anouola.com/upload/file/202108101941014138.pdfIn PDF document text
- https://almuhja.ps/ckfinder/userfiles/files/92631340894.pdfIn PDF document text
- http://lysfyyy.com/upload/files/24438161259.pdfIn PDF document text
- https://rajatotogroup4.com/contents//files/bubivexari.pdfIn PDF document text
- https://profbuhotchet.ru/wp-content/plugins/super-forms/uploads/php/files/3df3a595fe3611f0db58e3db1c4816bb/viginibokilubasovile.pdfIn PDF document text
- http://bazatalty.pl/wp-content/plugins/super-forms/uploads/php/files/f7879fff5bd9f30a816027786114b234/24334517611.pdfIn PDF document text
- http://robertfeinberglaw.com/images/edit_images/file/50815961964.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_off0000d425.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD425 | 16956 bytes |
SHA-256: 7f65b6f72062375f6ef1cca9e967d786c5d7184b8f098f60e68e58d2f05f5668 |
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font_01_sfnt_off00010051.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10051 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011868.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11868 | 10736 bytes |
SHA-256: b1bc5c274e72c7b7a2e3f652f14ff01a195bdeb27b75ccb4da49d9360c025f8e |
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