MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a significant number of external URIs, many of which point to compromised WordPress sites. These links appear to form a link farm, likely designed to distribute further malicious content or lead users to phishing pages. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://www.allterra.group/wp-content/plugins/super-forms/uploads/php/files/af4d352990ccae20682963f5d352fc64/rasikolewanewujaruratefi.pdf In PDF document text
- https://metroguards.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161090884bfed0---47201971800.pdfIn PDF document text
- http://naturalmis.com/userfiles/file/32320355374.pdfIn PDF document text
- http://eprdel.cz/userfiles/file/49739581872.pdfIn PDF document text
- http://xiaohecollege.com/d/files/73885598592.pdfIn PDF document text
- https://phase1acoustics.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bfbd09281d5---61729846652.pdfIn PDF document text
- http://storemisr.com/uploads/files/48346439372.pdfIn PDF document text
- http://www.opencalgary.org/wp-content/plugins/formcraft/file-upload/server/content/files/160792abbdf88c---1279674283.pdfIn PDF document text
- https://economiadecomunion.com/ckfinder/userfiles/files/9388100120.pdfIn PDF document text
- https://atamergranit.com/userfiles/file/66174012290.pdfIn PDF document text
- https://web-sila.ru/wp-content/plugins/super-forms/uploads/php/files/81f2bf29475a7aefea7754b8fbd1e694/69334125558.pdfIn PDF document text
- http://yatros.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160bb845c224e8---pogalubajo.pdfIn PDF document text
- http://volamtuyetthe.com/userfiles/file/jisagavilivazavak.pdfIn PDF document text
- http://veribase.com/E/file/63069857355.pdfIn PDF document text
- http://progfin.pl/userfiles/file/bozezologigobebitaza.pdfIn PDF document text
- http://cetis156.neutronds.com/assets/js/ckfinder/userfiles/files/58824475571.pdfIn PDF document text
- http://karinameal.com/imgdish/files/zinug.pdfIn PDF document text
- https://okazdedziecko.pl/_files/Media/file/goxazerivizorow.pdfIn PDF document text
- http://artecgroupservices.com/imagenes/file/9695664849.pdfIn PDF document text
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/18q5aq0fqp1la7leun457a86h7/wajemerezami.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=two+letter+words+worksheets+for+kindergartenPDF 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_off0000ad8e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAD8E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c5a5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC5A5 | 10776 bytes |
SHA-256: eca8797b49388702afc20c4caa3d5692bfc1fa990091dc43e953724ab882f1c1 |
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font_02_sfnt_off0000de3f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE3F | 14992 bytes |
SHA-256: 1fbdc3cfd38a0203f58aa2f7928d3491d83d8e061fb4ea1a370251a745a1f58a |
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