MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of links, many of which point to compromised CMS uploads or disposable hosting, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution through these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
Heuristics 6
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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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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://www.colormotion.cz/UserFiles/file/85811990104.pdf In PDF document text
- http://de.ruben.pl/ckfinder/userfiles/files/kawinegaziwobujonawu.pdfIn PDF document text
- http://studioprogettoarchitettura.eu/userfiles/files/mewomixuwe.pdfIn PDF document text
- http://sfipl.in/userfiles/file/laroduminijakifaxukapekex.pdfIn PDF document text
- https://windfreeklima.com/upload/ckfinder/files/gojumejivawizolafoni.pdfIn PDF document text
- http://elhammagazine.com/ckfinder/userfiles/files/90642578551.pdfIn PDF document text
- https://lakeshoresmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/5e8r00r6t4rd6nfvlpql1h08t5/46671111143.pdfIn PDF document text
- http://z-sinpro.com/upload/files/dudamezuxakup.pdfIn PDF document text
- http://www.santamyoga.be/images/file/muxotobum.pdfIn PDF document text
- http://haiannweb.com/uploads/files/94555788538.pdfIn PDF document text
- https://10s317.com/uploads/files/202109050437493268.pdfIn PDF document text
- http://bagodilovaspark.hu/userfiles/file/ximulegudifagegepetu.pdfIn PDF document text
- https://officialbacknumber.org/editor_up/nugomojomi.pdfIn PDF document text
- https://www.helpfulhunks.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161361bdbbef72---xafanenoxofilujojufuda.pdfIn PDF document text
- http://solmoda.it/userfiles/files/firusepas.pdfIn PDF document text
- https://study-go.info/wp-content/plugins/super-forms/uploads/php/files/d97d8e61d8ce0a1b7dfc692eb968d7f7/93314227519.pdfIn PDF document text
- https://shen-su.eu/gfx/userfiles/files/17257046322.pdfIn PDF document text
- https://mexico-airport-transfers.com/ckfinder/userfiles/files/vinenijin.pdfIn PDF document text
- http://cke.hk/userfiles/minezuvibilemi.pdfIn PDF document text
- http://jhdljz.com/userfiles/file/1630951662.pdfIn PDF document text
- https://vidaleve.net/ckfinder/userfiles/files/37269294926.pdfIn PDF document text
- http://burattinojatek.hu/userfiles/file/40842815755.pdfIn PDF document text
- http://www.sport-konyv.hu/userfiles/file/10501099218.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=how+to+go+incognito+mode+on+mobilePDF 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_off0000c329.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC329 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000db40.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB40 | 10500 bytes |
SHA-256: f57dcf0a6663e7583717b6084e6f616f67af1255e407ee6b47b56acb0db404ba |
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font_02_sfnt_off0000f2e2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2E2 | 17552 bytes |
SHA-256: 8551573124cc86afa52cb2f9e6ea4b28d64f427315d9a549ff5b5aa41761bc13 |
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