MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of links pointing to various compromised websites, many of which are WordPress installations using vulnerable plugins. This behavior is characteristic of a link farm designed to distribute phishing content or malware. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.7217
Heuristics 5
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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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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://beepost.vn/upload/userfiles/files/61410307144.pdf In PDF document text
- http://global-poseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ceb21a79b42---denag.pdfIn PDF document text
- https://chicagoportablexray.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bdefcbd418a---nivafamizuvuk.pdfIn PDF document text
- https://www.beadvised.co.uk/wp-content/plugins/super-forms/uploads/php/files/e18a66e78af96cd19bec16d68c6f71b0/22287363472.pdfIn PDF document text
- http://sinara.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/16079674915e94---kekegifeterav.pdfIn PDF document text
- https://www.herewardcarpets.co.uk/wp-content/plugins/super-forms/uploads/php/files/nljnkjrj3r15tueh67lo4madr9/nipafer.pdfIn PDF document text
- http://andreagarciam.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c463e1759e9---turarokiwaba.pdfIn PDF document text
- http://nhuaduongnhapkhauaz.com/upload/files/xerotagatejejixo.pdfIn PDF document text
- https://www.chinacimctrailer.com/wp-content/plugins/super-forms/uploads/php/files/a80c3ce115747541504106ddeae7c972/1211422465.pdfIn PDF document text
- https://travolution.travel/wp-content/plugins/super-forms/uploads/php/files/7ffa1b137ae7ccf3c116d97107b3695e/wusufirewawegegoxi.pdfIn PDF document text
- https://pet-fashion.ro/mm/file/70976540375.pdfIn PDF document text
- http://www.kmclogistics.com/wp-content/plugins/super-forms/uploads/php/files/eeda2f58ef7d92e2cf45fa81d3009a44/64498875637.pdfIn PDF document text
- http://technoculture.cz/admin/upload/file/4605957606.pdfIn PDF document text
- https://lawina-radom.pl/files/file/lokifezakekoja.pdfIn PDF document text
- https://nnt52.ru/userfiles/file/batip.pdfIn PDF document text
- https://a2designbg.com/userfiles/file/zevolikevux.pdfIn PDF document text
- http://mikailang.net/userfiles/file/20210628061800_95065643.pdfIn PDF document text
- https://presstone.hu/userfiles/file/kewuvisujuzopelejapegizot.pdfIn PDF document text
- http://www.gametimecatering.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a41bf5cfea2---94962908653.pdfIn PDF document text
- http://topcudental.com/img/userfiles/files/bemejixi.pdfIn PDF document text
- http://www.tenniscanberra.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160af2888b7fb0---1889829806.pdfIn PDF document text
- http://bamt.be/wp-content/plugins/formcraft/file-upload/server/content/files/160810a5f1a2dd---96777278841.pdfIn PDF document text
- https://www.institutvzdelavani.cz/files/40833737267.pdfIn PDF document text
- http://franzoesischebulldoggen.eu/userfiles/file/bavunidutuju.pdfIn PDF document text
- https://gberwanda.com/gbe/useruploads/blogs/files/likatol.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=who+is+the+most+powerful+character+in+marvel+future+fightPDF link annotation
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f8ff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8FF | 11172 bytes |
SHA-256: 4297a617adb9a58d1a3ecb2822767221b76b16386ad8f32f4be02ddc34c75ace |
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font_01_sfnt_off00011312.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11312 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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