MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains a large number of embedded URLs, many of which point to compromised WordPress upload directories, suggesting a phishing or credential harvesting campaign. The presence of external URIs and link farms further supports this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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://crewmak.ru/uplcv?utm_term=russian+political+parties PDF link annotation
- https://smarttactic.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1615e08fe911ee---38695949638.pdfIn PDF document text
- http://autolavaggiocraparotta.it/userfiles/files/27248959336.pdfIn PDF document text
- https://wlao.on.ca/wp-content/plugins/super-forms/uploads/php/files/5cb9b7e07f044545c937b455a8e8a1f0/pegesoxugu.pdfIn PDF document text
- http://eprdel.cz/userfiles/file/zisekifubotijajupogozoto.pdfIn PDF document text
- http://svs-pm.com/wp-content/plugins/formcraft/file-upload/server/content/files/161620ea4be082---69174971940.pdfIn PDF document text
- https://digicpictures.com/downloads/roxezo.pdfIn PDF document text
- https://ooo-kenk.ru/userfiles/file/38698725849.pdfIn PDF document text
- https://stradatextiles.com/upload/ckfinder/files/72089788837.pdfIn PDF document text
- http://poltinik.ru/userfiles/file/47369428261.pdfIn PDF document text
- http://traktorpulling.de/ablage/userfiles/files/kavowiserujegaxixodekas.pdfIn PDF document text
- http://motivationandmomentum.net/ci/userfiles/files/28906504748.pdfIn PDF document text
- http://novo-foto.ru/ckfinder/userfiles/files/bifiwesi.pdfIn PDF document text
- https://www.mozartcantat.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1615632064375b---luxatudev.pdfIn PDF document text
- http://catherine-massage.com/ckfinder/userfiles/files/gupififibut.pdfIn PDF document text
- http://chieucoingason.vn/files/77365811063.pdfIn PDF document text
- http://miraesusan.com/ckupload/files/pazanujazave.pdfIn PDF document text
- http://etre-belle.su/images/file/72894785380.pdfIn PDF document text
- https://flylights.pl/wp-content/plugins/super-forms/uploads/php/files/ge9n1ememrh3hveq5a214uu01v/87794258899.pdfIn PDF document text
- http://upsshop.ru/ckfinder/userfiles/files/4987247325.pdfIn PDF document text
- https://www.sherpachristain.org.np/ckfinder/userfiles/files/6276447601.pdfIn PDF document text
- https://tempatpasang.com/contents/files/77306282728.pdfIn PDF document text
- https://paardenwelzijnscheck.nl/app/webroot/files/ckeditor_files/files/xawelaxuxezux.pdfIn PDF document text
- https://kameramuzesi.com/upload/files/41897571960.pdfIn PDF document text
- http://roletyhanarol.pl/files/file/gasozipirujepu.pdfIn PDF document text
- https://vozilasavozacem.rs/files/wojetibaradejijalaf.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000daa2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDAA2 | 17716 bytes |
SHA-256: e2c4e95a72b2acbe39d762d245d6a1f23cc6c80d7a27f9d8edfb57d24795abc8 |
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font_01_sfnt_off000107f8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107F8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001200f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1200F | 10512 bytes |
SHA-256: 35150653ca53057437425d2ed484e431ab5ad21d2d4fd4df8b75a2062729f7df |
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