MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, directing users to multiple compromised WordPress upload storage locations and disposable hosting sites, likely for phishing or malware distribution. The presence of numerous external URIs and the 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic strongly support this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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 http://www.kinoimaging.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160739f1fb24c6---76829502695.pdf
- http://theofficefurniturestore.com/ckfinder/userfiles/files/40661920981.pdf
- https://wholisticvibrations.com/wp-content/plugins/super-forms/uploads/php/files/65006291cb780c7538bf952936cb1a4e/94765128751.pdf
- https://comodee.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b15c3161274---34643565491.pdf
- https://alphaveneers.co.uk/wp-content/plugins/super-forms/uploads/php/files/b2f2ee90a4affa48d07041a7cdbfbcbf/70232038491.pdf
- http://ecohost.ru/pics/images/file/37995600800.pdf
- https://foulardfotografando.it/file/17275941068.pdf
- http://www.phonefixcomo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f13947d44c---16242367705.pdf
- http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/78c2b45c0a4c0194b5675962f89b14f1/75881283740.pdf
- http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/88e2621c878d44beab8e848da7dc66a0/vabelimalej.pdf
- http://kaupa.cz/userfiles/file/36414466320.pdf
- http://www.sensible-seeds-premium.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d38279f24a---purorufajukosixe.pdf
- http://www.jcca.co.in/wp-content/plugins/formcraft/file-upload/server/content/files/160807e5a68b7b---xiwiwuzosa.pdf
- http://www.nisbd.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b29afd930aa---13541081478.pdf
- https://www.mercedesbenzofaustinservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082fe37a1d6d---xapojajipejutepamul.pdf
- https://trichynext.com/wp-content/plugins/super-forms/uploads/php/files/12684826e8729a112a45deda7de21908/fovujulaxejal.pdf
- https://bmw-zona.ru/uploads/file/nexudinuv.pdf
- http://mirrorgallery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7d32db74ad---rowepuvowaxa.pdf
- https://brunoamaranti.it/wp-content/plugins/super-forms/uploads/php/files/bf4adr2q2p9dn0hl21gdvs78q1/mebiwuzapagefa.pdf
- http://www.191seo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f2191f08cf---90678714004.pdf
- https://growlocals.com/wp-content/plugins/super-forms/uploads/php/files/46d9f6a8523f564c8b004cbeec883136/69736964485.pdf
- https://cananalimdar.com/wp-content/plugins/super-forms/uploads/php/files/oba2p10ogsj4bb17cu9ecqs2ir/goxotekunegipufiwaliw.pdf
- http://www.salpasafarit.fi/tiedostot/files/4960318934.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=watching+my+naked+mom
- 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_off0000e77a.bina32350555673bd87cd76ce33cfdd30bbb1905eeb8ba2afb965f969068c51c1bb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE77A | 17548 bytes |
font_01_sfnt_off0001144d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1144D | 16792 bytes |
font_02_sfnt_off00012c64.bin88a1033921598e77bda5e10da99ab2f24542facca24da7ef929d2bce6bac21c0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C64 | 10704 bytes |
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