MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and by an ML classifier with high confidence. It contains a link farm pointing to numerous compromised WordPress sites, suggesting an attempt to redirect users to malicious content. The document's structure and the nature of the URLs indicate a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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://huntic.ru/uplcv?utm_term=basic+c%2B%2B+questions+and+answers
- https://dungcuruamui.com/wp-content/plugins/super-forms/uploads/php/files/mnnqvqi9ub53ue36hnmfokkj8r/woditawipelevod.pdf
- https://namastehealth.in/wp-content/plugins/super-forms/uploads/php/files/t4dqmdbkoilfvmg5hdjjpavsfp/zifixipifetalaja.pdf
- http://utuin.net/files/fckeditor/file/20449750711.pdf
- http://www.euro-fly.eu/userfiles/files/18201676264.pdf
- https://www.rowtheerne.com/wp-content/plugins/super-forms/uploads/php/files/7ac7bf8a559bae81712ff8818300c86c/patifabokuxuw.pdf
- http://cloverpark1961.com/clients/6/6a/6a73a08bb68f643008adb5efbbb44e43/File/suzopudiselowowazabumo.pdf
- https://www.cfo-search.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607cb2aa747d2---xubumifi.pdf
- http://agisma.ru/files/pages/files/33474017055.pdf
- https://yuanfuconstruction.com/ckfinder/upload/files/masemawabodevajefibada.pdf
- https://nsck-cykelmotion.dk/userfiles/file/24701542173.pdf
- https://xn--nmqu14inmf.com/upload/files/73611062959.pdf
- http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/160ec42ba2e245---88310513293.pdf
- https://formapolis.it/wp-content/plugins/super-forms/uploads/php/files/e4d3c67726e7829c579558430e6a35ab/welur.pdf
- https://powermailer.in/userfiles/file/tewozodatonuwotagusugive.pdf
- https://penal-garazh.ru/files/sidujelubuk.pdf
- https://ilc.ua/wp-content/plugins/super-forms/uploads/php/files/2ldoh7aepgv9lk3rvd6qifcbi1/gapuzujenidefafuzotutumag.pdf
- https://supermagnum-bg.com/ckfinder/userfiles/files/jafutiwajemezi.pdf
- http://pobierzplik.pl/uploads/files/83239296522.pdf
- https://cgeminfos.ma/upload/file/juzakavexaxa.pdf
- http://purpledoorchurch.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c36b84a644---guladulewoxida.pdf
- http://bazatalty.pl/wp-content/plugins/super-forms/uploads/php/files/770b8c71e2e5d7d09abe38712e3a740b/53747040113.pdf
- http://koreanhotpot.com/uploads/files/vetulisizibarutefowinujir.pdf
- http://localhomesales.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160826439b1846---kesukarozebami.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_off0000f3a6.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3A6 | 16792 bytes |
font_01_sfnt_off00010bb8.bind90a6d25c56057deadf0011e4a8655565f17e00441e45b03c3e7ff4eecd834e5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BB8 | 17836 bytes |
font_02_sfnt_off00013ae6.bina77e4660dfdaaa28b86469343654a794693ed47e0db00d7e05d6185505cef899 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13AE6 | 10704 bytes |
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