MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The PDF contains numerous links, many pointing to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to phishing or malware download pages. The presence of external URIs and a link farm structure strongly suggests a phishing or credential harvesting attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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://pistant.ru/uplcv?utm_term=unlock+policy+protected+pdf PDF link annotation
- http://sartor.ru/upload/files/75664064192.pdfIn PDF document text
- http://gazosilikatnn.ru/uploads/files/wawapo.pdfIn PDF document text
- http://ysmenmidwestindia.org/uploads/userfiles/file/file/kuwuferirigapaxabasunumuv.pdfIn PDF document text
- http://satit.nrru.ac.th/satit/_Adminis/ckfinder/userfiles/files/27871700910.pdfIn PDF document text
- http://www.majoriscambio.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161344fcc10c20---nerubukuworotal.pdfIn PDF document text
- http://dlugopis.kbo.pl/ckfinder/userfiles/files/42352021080.pdfIn PDF document text
- https://daulte.ch/ckfinder/userfiles/files/71961058649.pdfIn PDF document text
- https://etre-cheval.fr/Applications/MAMP/htdocs/etre%20cheval/news_pix/file/satezosoval.pdfIn PDF document text
- https://www.projectorrentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614009e706c9d---43132952335.pdfIn PDF document text
- https://inprovitperu.com/ckfinder/userfiles/files/goboxiriwala.pdfIn PDF document text
- https://sikdercollegeofpharmacy.com/scp/ckfinder/uploads/userfiles/files/99415908313.pdfIn PDF document text
- https://namratalakhotia.com/userfiles/files/19754046655.pdfIn PDF document text
- http://ambiance-cinema.fr/wp-content/plugins/super-forms/uploads/php/files/3a9006909f4802fa079b44fdc1594543/84576976515.pdfIn PDF document text
- http://sbsinternationalschool.org/userfiles/file/bodovoneporamone.pdfIn PDF document text
- http://www.maderas-navarro.com/ckfinder/userfiles/files/26147715338.pdfIn PDF document text
- https://www.allterra.group/wp-content/plugins/super-forms/uploads/php/files/a09e2f8c3ba8d9dad3c7d2d1ee3f051a/dowuvi.pdfIn PDF document text
- https://hmv.ir/wp-content/plugins/formcraft/file-upload/server/content/files/16136cc9ba0add---69484815362.pdfIn PDF document text
- http://entrackintl.com/uploads/sibexogarakidup.pdfIn PDF document text
- https://akgoz.zemta.com/uploads/files/95522507918.pdfIn PDF document text
- http://obkladlazby.cz/userfiles/file/rowegimosekewob.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_off0000dcd8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCD8 | 18492 bytes |
SHA-256: d19956e86a00a50c36983e338b20e576535247ce4deb68155b6eb4e194135d41 |
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font_01_sfnt_off00010c77.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C77 | 10496 bytes |
SHA-256: 5af35d53420a021e7de315e35e0cd0f0d0c6205f38203b69bcfc7bde2dc40a96 |
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font_02_sfnt_off00012473.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12473 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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