MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links pointing to external websites, many of which are hosted on compromised CMS platforms or disposable domains, suggesting a link farm or phishing lure. The PDF structure and embedded URLs are indicative of a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
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 http://vietsonplastic.com/uploads/userfiles/file/talizogoralofaxidos.pdf In PDF document text
- https://nakipoglugroup.com/upload/ckfinder/files/6778677138.pdfIn PDF document text
- https://promobryansk.ru/userfiles/files/79143507750.pdfIn PDF document text
- http://lesbambousbleus.fr/ckeditor/upload/files/rapiv.pdfIn PDF document text
- http://neboskreb-irk.ru/uploads/userfiles/files/jadomuzajanoz.pdfIn PDF document text
- http://agcslohian.com/userfiles/file/26074049921.pdfIn PDF document text
- http://phanphoiongnhuahoasen.vn/upload/files/27225852012.pdfIn PDF document text
- https://swaarm.de/app/webroot/upload/files/gekemo.pdfIn PDF document text
- https://dakhoathienhoa.net/images/files/31100994674.pdfIn PDF document text
- http://ficfart.org/userfiles/file/ruferibopomiget.pdfIn PDF document text
- http://potya.com/13758081129.pdfIn PDF document text
- https://www.nhabe.com.vn/ckfinder/userfiles/files/53506291770.pdfIn PDF document text
- http://winhazel.com/indigo/ckfinder/userfiles/files/felimuge.pdfIn PDF document text
- https://greenfuturevietnam.com/Upload/files/vutugugibaj.pdfIn PDF document text
- https://realimpacto.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613e5365d4504---59674065580.pdfIn PDF document text
- https://theelementrama9.com/userfiles/files/dolabusidele.pdfIn PDF document text
- http://plusbateria.com/wp-content/plugins/formcraft/file-upload/server/content/files/161538a4a34c45---70074926424.pdfIn PDF document text
- https://www.aukuras.org/ckfinder/userfiles/files/66400991886.pdfIn PDF document text
- https://gauravkankariya.com/wp-content/plugins/super-forms/uploads/php/files/d4429d0b86f451d0d279737688d0080a/gegifibomenoxo.pdfIn PDF document text
- https://mimpisiluman.com/contents/files/jorefukejowa.pdfIn PDF document text
- https://artofsurfing.com/preview/ckfinder/userfiles/files/80681866610.pdfIn PDF document text
- http://catherine-massage.com/ckfinder/userfiles/files/vigasonuxizomazuse.pdfIn PDF document text
- https://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614677cf315d9---77669102207.pdfIn PDF document text
- http://slabowidzacy.smprzemysl.pl/ckfinder/userfiles/files/zuxenomofedolunab.pdfIn PDF document text
- http://www.melodypods.com/wp-content/plugins/formcraft/file-upload/server/content/files/16156f8092e660---wezubuwevoxenasesak.pdfIn PDF document text
- https://wsbe17hongkong.hk/_bin/ckfinder/userfiles/files/bemidewezexigunojonabigas.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=h+words+to+describe+someone+positivelyPDF link annotation
- 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_off0000dc11.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC11 | 16692 bytes |
SHA-256: 9661d03391c2260114c0a104339b2f6ff56d4cf7f059ef0bded9cb97d8d4b6f6 |
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font_01_sfnt_off00010663.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10663 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011e7a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E7A | 10908 bytes |
SHA-256: 5c37a39b67b295d602235013eb9f9bd5b8fdd2236fb367df90c7d962eeff176b |
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