MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and a machine learning classifier. It contains numerous links to external websites, many of which are hosted on compromised WordPress installations or disposable domains, suggesting a link farm designed to redirect users to malicious content. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic indicates a high volume of links on potentially untrustworthy hosting, reinforcing the phishing or malware distribution intent. No scripts were extracted, but the overall structure and URL patterns point towards a phishing or content-luring attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://chcial.ru/uplcv?utm_term=habitat+destruction+is+recognised+as+most+significant+threat+to+global+biodiversity PDF link annotation
- https://www.dentaltaxpros.com/wp-content/plugins/super-forms/uploads/php/files/ab213ef1496b61f7e63dad7e133e2f69/84655806461.pdfIn PDF document text
- http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c15bd9e224b---jetajanebasamude.pdfIn PDF document text
- https://frasertechno.com/wp-content/plugins/formcraft/file-upload/server/content/files/160964a582f65d---97606986015.pdfIn PDF document text
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160aab185ade24---34038406272.pdfIn PDF document text
- http://aleshashop.net/uploaded_files/userfiles/files/66402235057.pdfIn PDF document text
- http://rjt1.org/upload/files/21817585797.pdfIn PDF document text
- http://akicgiyim.com/userfiles/file/nolekawu.pdfIn PDF document text
- http://daydreamspin.com/userfiles/file/tipefa.pdfIn PDF document text
- https://www.sblending.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160ac42615234a---kudofederes.pdfIn PDF document text
- https://cashcruis.ru/wp-content/plugins/super-forms/uploads/php/files/b2630e575a8b31a61924f7587a4dc50b/12561768785.pdfIn PDF document text
- https://www.hit-education.com/wp-content/plugins/super-forms/uploads/php/files/sepefianm2m3ib1e11fohjdo2f/folur.pdfIn PDF document text
- https://mps-india.com/userfiles/files/78941706632.pdfIn PDF document text
- http://opgzvh.hr/upload/file/mawarorapilevapoxipi.pdfIn PDF document text
- http://talani.nl/userfiles/image/file/lulaxilirokanavu.pdfIn PDF document text
- https://fieldofgreen.com/wp-content/plugins/super-forms/uploads/php/files/245a53b22e246a3799987fe77cc8f0e8/55941892437.pdfIn PDF document text
- http://masterkontroll.hu/ckfinder/userfiles/files/15805668892.pdfIn PDF document text
- http://wintec-samu.hu/uploads/files/pokepunifukuroxixebuwet.pdfIn PDF document text
- http://villaturri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fb1f6981a70---53279531696.pdfIn PDF document text
- https://thealloywheelcentre.co.uk/wp-content/plugins/super-forms/uploads/php/files/7e64c80f17be92e5a426e6af2dbf7e94/guvalogemuro.pdfIn PDF document text
- https://www.fishhabitatnetwork.com.au/application/third_party/ckfinder/userfiles/files/kadipuraxomokupiku.pdfIn PDF document text
- http://maryalo.com/userData/board/file/8184235339.pdfIn PDF document text
- https://www.ideaklinik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16075e985d08f0---kufanigekixejokunimap.pdfIn PDF document text
- https://xn--22ck6bdp5cach0mc23a.com/ckfinder/userfiles/files/dimewebokaxafedi.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_off0000c456.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC456 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000dc68.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC68 | 17364 bytes |
SHA-256: 30068c57340f9a19095eb0fdcf713d7804df2dad4a74989866afa87ff7d3f075 |
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font_02_sfnt_off000108cc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108CC | 11336 bytes |
SHA-256: aeb1a9668b12ffcaa952534ffa4136acac16d62d997e4d5a87101daf77e09641 |
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