MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 User Execution: Malicious Link
The PDF contains numerous links, many pointing to compromised CMS upload directories, indicating a link farm designed to redirect users to potentially malicious content. The ClamAV detection and ML classifier strongly suggest malicious intent, likely phishing or malware delivery. The presence of a 'download button' heuristic further supports a lure-based attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
Heuristics 7
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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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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://folklorebridge.eu/uploads/pictures/files/xibelugag.pdf
- https://www.sblending.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607769046875a---soseletotazojilezivoxabax.pdf
- https://whitelightdesign.com/wp-content/plugins/super-forms/uploads/php/files/6415e07540e6d73705e6413a3faebd39/jimumuvizofinujeteba.pdf
- https://ecoinkworld.com/wp-content/plugins/super-forms/uploads/php/files/63b7723622d486df0e157c91e575a0d6/sutunedelidaza.pdf
- http://thefutureofgolf.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1607763d81da3a---fodazo.pdf
- http://elmiraclassiccountry.com/wp-content/plugins/super-forms/uploads/php/files/c6a2a5e29kf5na2bvv1dfun1i0/74005588402.pdf
- http://thepnguyentran.vn/media/ftp/file/54925077406.pdf
- http://phillipwhiting.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b107cea1e2c---79751576457.pdf
- http://nusratali.com/userfiles/files/11717853822.pdf
- http://www.theflightfest.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2149e78ae4---wetedegiputaga.pdf
- http://3handseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fa4f325174---maninekemanuvipo.pdf
- https://hgindustrial.eu/userfiles/files/85600501606.pdf
- http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/160a616b5542cd---tipogizidisutose.pdf
- http://premiumresourcing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a735b43cf83---xikek.pdf
- https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/8vu6d3aqo3a2uooqmg7k33v016/83210256657.pdf
- https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090020f79de2.pdf
- https://www.sudburyhighspeedinternet.ca/wp-content/plugins/super-forms/uploads/php/files/a504b9c81f04814b400e6cbc1d7c8e2a/33979331732.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=convert+publisher+into+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_off0000d9ff.bin7f7d60d2377696a629b7b22dfe7819fa7351fc0bf3584fbb214f4a193b0fb49a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9FF | 17420 bytes |
font_01_sfnt_off00010771.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10771 | 16792 bytes |
font_02_sfnt_off00011f88.binedbebf6145d0c0f83dd6fd88274a6620a72e85e5f529e41e841ba379bcf3d289 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F88 | 10772 bytes |
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