MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links to external websites, many hosted on compromised CMS platforms or disposable domains, suggesting a link farm designed for phishing or malware distribution. The presence of a 'visual download button' heuristic further supports the intent to trick users into clicking malicious links. ClamAV detection and ML classification strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://medvor.ru/uplcv?utm_term=how+to+hook+up+chromecast+to+new+wifi
- http://perlawarmii.pl/userfiles/file/48600425347.pdf
- http://alexanderkanevskyartistbiography.com/clientMedia/file/77059026074.pdf
- http://modelkyujin.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609830b5c4a8c---vusowepomaposo.pdf
- https://humantouchtranslations.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/160b5feadaff95---romaji.pdf
- http://www.champcaregivers.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086613abe165---dadegonedegat.pdf
- http://raduzhniy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad829ce1bb0---bafizadasi.pdf
- http://tasarimak.com/ckfinder/userfiles/files/11557864742.pdf
- http://www.findvoters.com/userfiles/file/77296990372.pdf
- http://andrelandberg.com/userfiles/file/97248436575.pdf
- http://pspectr.ru/userfiles/file/mugujako.pdf
- http://www.k-24.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c09b2b2254f---vemuvil.pdf
- https://choiceenergynetwork.com/wp-content/plugins/super-forms/uploads/php/files/4902f617d253ecf42c78c0dca26abec7/20114984848.pdf
- http://anhuizhkj.com/upload_fck/file/2021-5-22/20210522235625245508.pdf
- https://www.ideaklinik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160821e8fa4bc8---lemot.pdf
- http://thaiboxes.com/piceditor/file/xexowewelop.pdf
- https://adm.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/8e80b363f01cf8e9380e7e44732f5ce9/menovog.pdf
- http://jeugdopdewetenschapsagenda.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1606d2fe487194---86799542680.pdf
- http://hvpeds.com/upload/contents/file/98895234067.pdf
- https://www.spoton.pet/wp-content/plugins/super-forms/uploads/php/files/u9ek12krgtdhkthi8pr7ib3gl0/lapeximakagenu.pdf
- http://www.anieliasfx.com/uploads/textareas/file/92596879174.pdf
- http://pathakpharma.in/singhania/downloads/file/48162649929.pdf
- http://yogo110.com/userfiles/file/tegefawanabuxiwivopafafim.pdf
- https://ontime-taxi.kg/wp-content/plugins/super-forms/uploads/php/files/00abd6e7d0bf7bf23e420b9abb9297fd/64292395182.pdf
- http://moestuinwebshop.nl/userfiles/file/kivuviw.pdf
- http://baovephuongtroi.com/vietkiendo/upload/file/xikisuso.pdf
- 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_off0000e848.bina1327b61cd7ac75fdf11693e62f551f092d8b9a0a175c138eb65c700cf83b452 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE848 | 10968 bytes |
font_01_sfnt_off0001019c.binf7494d08aedf0a28612c98a21f7978bab48bd106eb6dd065c102b5349f9fc4b7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1019C | 17124 bytes |
font_02_sfnt_off00012e83.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E83 | 16792 bytes |
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