MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier indicating a high probability of maliciousness. It contains numerous links, many pointing to compromised WordPress sites, suggesting a link farm or phishing lure. The presence of external URIs and the overall structure indicate an attempt to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9908
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://www.oasipizza.it/wp-content/plugins/formcraft/file-upload/server/content/files/161405b07be633---dupasotesimijisoz.pdf In PDF document text
- https://datajournonepal.org/files/vemepipizejuwofasij.pdfIn PDF document text
- http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/16140cd3448c47---tujifuzamagabagab.pdfIn PDF document text
- https://www.arc-welding.co.uk/wp-content/plugins/super-forms/uploads/php/files/1i7pmps3ufcp6orgo1gnikf5u3/79792601043.pdfIn PDF document text
- http://stitesattorney.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/12049417024.pdfIn PDF document text
- http://www.ctmmaximoravenna.com/ckfinder/userfiles/files/1002906363.pdfIn PDF document text
- http://nrgmedia.hu/files/file/79117164529.pdfIn PDF document text
- http://aldobini.it/userfiles/files/96820879946.pdfIn PDF document text
- https://chandrakantmusicacademy.org/ckfinder/userfiles/files/tukilurirolas.pdfIn PDF document text
- http://gurgaontaxi.com/pa/trainstation/uploads/image/file/wiridaxekijezokawiforomog.pdfIn PDF document text
- https://saikekanglun.com/filespath/files/20210909182028.pdfIn PDF document text
- http://tasteofruraleurope.eu/upload/File/2979639059.pdfIn PDF document text
- http://cwesp.biz/upload/file/gifolotowabamevuxiziribo.pdfIn PDF document text
- https://venefoil.com/ckfinder/userfiles/files/39314623844.pdfIn PDF document text
- https://cosmopolitanhotelbg.com/uploads/wysiwyg/files/15758628148.pdfIn PDF document text
- https://gilbertems.com/videos/file/74332171061.pdfIn PDF document text
- http://shopcloud.cloud/ckfinder/userfiles/files/natepegimotidipixamok.pdfIn PDF document text
- http://potlista.com/file/files/74533224328.pdfIn PDF document text
- http://kargiskola.ge/myadmin/ckeditor/ckfinder/userfiles/files/90225326918.pdfIn PDF document text
- https://thietbivesinhanhhuy.com/asset/files/37449193044.pdfIn PDF document text
- https://inarsindbari.org/uploads/fusijunonosev.pdfIn PDF document text
- https://storage-in-motion.com/wp-content/plugins/formcraft/file-upload/server/content/files/161315c2c27ef1---nuxes.pdfIn PDF document text
- http://dasbluemchen.com/64774766207.pdfIn PDF document text
- https://vinaconexmec.vn/uploads/news_file/41794272508.pdfIn PDF document text
- https://apexsafetyproducts.com/ckfinder/userfiles/files/26461996619.pdfIn PDF document text
- http://mdfgiare.com/upload/files/nasaxuvafokasam.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=free+web+series+streaming+appPDF link annotation
- 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_off0000c25a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC25A | 16768 bytes |
SHA-256: 113b6c9d002c7aa491b7ee994a3f99d10c34554a19a553a7f479ee346f8da134 |
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font_01_sfnt_off0000ed81.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED81 | 10632 bytes |
SHA-256: 1f22790b294021c78b501e5a424fb69771935d927a1f12997b06a79528efee5f |
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font_02_sfnt_off000105b1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105B1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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