MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics as malicious, including a high-confidence ML classifier and ClamAV detection. It contains numerous links to external websites, many hosted on compromised CMS uploads, suggesting a link farm designed to redirect users to malicious content. The presence of embedded URLs and the nature of the heuristics indicate an attempt to deliver a phishing or malware payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 6
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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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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.alapan.org/fckimages/file/26246970751.pdf
- https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/eeid07h1i7ftrb5mh4kr7art9n/71750653151.pdf
- http://dchs1961.com/clients/871949/File/9602679399.pdf
- https://assurancemauricie.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092d6193c0be---gajoxagedanejovebowamijuw.pdf
- http://banghetretruc.com/media/ftp/file/60046543968.pdf
- http://ecbpolska.pl/wp-content/plugins/super-forms/uploads/php/files/fa956a5264c4cc0d09c10b95df578cc0/95386185185.pdf
- http://localhomesales.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16070552f5a19d---fegajalokiv.pdf
- https://www.dyna-tech.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607d8c5637b64---zumojimetuxumagudetatumu.pdf
- https://alignerco.com/wp-content/plugins/super-forms/uploads/php/files/ddc0f0b5dfc83c4592fda4e6deb8e73b/34033501745.pdf
- https://bilbox.es/wp-content/plugins/super-forms/uploads/php/files/50a21bd09f3594c45e080011f50f6771/93021442417.pdf
- https://www.tctnanotech.com/wp-content/plugins/super-forms/uploads/php/files/21339c027ff78cb6693ccf8049566096/52448595693.pdf
- http://www.lavalledesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160884da6b931e---35711919018.pdf
- https://immo-cjeanpaul.lu/userfiles/files/xoropu.pdf
- https://emergent-partners.com/wp-content/plugins/formcraft/file-upload/server/content/files/160745eeab1a4c---wenolofesilenodosi.pdf
- http://jjmcp.jp/userfiles/Image/file/7669845490.pdf
- https://www.msolartop.cz/wp-content/plugins/formcraft/file-upload/server/content/files/160d0646f133ab---98918584402.pdf
- http://ippinnudon.com/uploads/files/borezufaxawolaxuzo.pdf
- http://interiorconsignments.com/media/file/puxafomanonuxakakusiroku.pdf
- http://alliusie.com/userfiles/file/23642193194.pdf
- http://botosani.ro/img/uploads/file/15031018025.pdf
- https://baodinhsolar.com/wp-content/plugins/super-forms/uploads/php/files/ag4kbuvar1mjcrgb48jupa66ep/56073133700.pdf
- http://yogo110.com/userfiles/file/17035293769.pdf
- https://adm.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/9d18fdcba923ebf7b9e96f42e3628621/mupimukibofabotezapidi.pdf
- https://accuratesearch.com/userfiles/file/32988158589.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=step+up+five
- 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_off0000edc5.bin3e5e1f096e2dcd5d04717e3b2999a01b0a35f649f313602bf9152623cb0acb3b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDC5 | 17456 bytes |
font_01_sfnt_off00011b68.bin0d26b73585095a6a55fb3eb7e823f6320b4f756f5f606a14b593bcab9800b7a7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B68 | 9892 bytes |
font_02_sfnt_off00013165.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13165 | 16792 bytes |
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