MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics as malicious, including a high ML score and ClamAV detection. It contains numerous links pointing to compromised WordPress sites and disposable hosting, suggesting a link farm designed to redirect users. The presence of external URIs and the nature of the heuristics indicate a phishing or malware distribution attempt.
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://ketchas.ru/uplcv?utm_term=business+maths+12th+guide
- https://bindazzled.com.au/wp-content/plugins/super-forms/uploads/php/files/909133f8de36b91ce266c7e23b42204e/kekogapokavogasidu.pdf
- http://www.ashtralmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608743538fdbf---daremosabozemafilos.pdf
- https://www.teppiche-waschen-hamburg.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607812a36ff9e---jesisavozed.pdf
- http://casier-a-bouteilles.fr/file/15817706825.pdf
- http://gfhs1978reunion.com/clients/56625/File/62275365782.pdf
- http://trungtinjsc.vn/upload/FCK/file/79421849571.pdf
- http://www.majorisinvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160abbb6eb684a---82521768362.pdf
- https://bentzendesign.se/wp-content/plugins/formcraft/file-upload/server/content/files/160d2adf162a4f---lalumirepabenipo.pdf
- http://plnjl.com/userfiles/files/tunosolajazimupiwas.pdf
- http://bezpieczna-strefa.pl/wp-content/plugins/super-forms/uploads/php/files/e57eb1e76f18def3ace43d81b52b8588/jipilajalobutulasuwo.pdf
- http://teranor.com/ckfinder/userfiles/files/67530129613.pdf
- https://schreinerheusi.de/wp-content/plugins/formcraft/file-upload/server/content/files/160845bcdef77b---82645427720.pdf
- https://www.dazzlingdecor.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16091659a47028---vaxozagepokokopesimawazol.pdf
- https://www.landalastadservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d5bf862c31---nagazufijogoje.pdf
- https://www.teppiche-waschen-hamburg.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a5d645db674---57760995198.pdf
- https://www.capitalroofingct.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d8d810d897---womefiguzebojefuvesulimak.pdf
- https://amblamy.ee/upload/file/papubobarudugojixak.pdf
- https://www.popcaffe.it/wp-content/plugins/super-forms/uploads/php/files/9766b9f9aae5c890adeef290727fe480/60993769291.pdf
- http://ehoron21.mn/uploads/files/36915315375.pdf
- http://china-engine.net/ckfinder/userfiles/files/14238544221.pdf
- https://media-get.com/userfiles/files/39745663108.pdf
- http://daiichilogistics.com/uploads/news_file/55617868645.pdf
- https://fitnessrev.net/wp-content/plugins/super-forms/uploads/php/files/qpjak47ptsb0mrj7jekc60cn1b/74151222300.pdf
- http://xn--80aantfcaehjbxzf1m.xn--p1ai/userfiles/file/diduvorofos.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_off0000bd27.bin8d2e297e6b322c1dbc846c5564ba595cb0c0af661869ee418a35044b4f5449b7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBD27 | 10756 bytes |
font_01_sfnt_off0000d599.bineaf85769edbf6212133f4209e75b2f3e3cae575d7d97ed977416cf09108538ae |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD599 | 16264 bytes |
font_02_sfnt_off0000ff8b.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF8B | 16792 bytes |
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