MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, pointing to numerous compromised websites and disposable hosting, which is a common tactic for phishing or distributing further malware. No scripts were extracted, but the structure and URL patterns strongly suggest it's designed to lure users to malicious destinations.
Machine Learning
- Nyx PDF Classifier malicious score 0.9938
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://gzky.cn/dubeite/ckfinder/userfiles/files/20210615_144704.pdf In PDF document text
- http://www.makattakasinti.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d704a2b51b---80253292426.pdfIn PDF document text
- https://villatoscana-pi.it/userfiles/file/95344476543.pdfIn PDF document text
- http://call.ae/wp-content/plugins/formcraft/file-upload/server/content/files/16095ab88ce1fb---45968029936.pdfIn PDF document text
- http://orbitsecurity.qa/pro_mvp_tech/uploads/file/roruloveda.pdfIn PDF document text
- http://galluccifaibano.it/userfiles/file/bitubifomuforekomuw.pdfIn PDF document text
- https://www.travelticket.com.au/wp-content/plugins/super-forms/uploads/php/files/elc9hdps1mo84rbou4nctdn1ek/xidezegivekamajenawafeliw.pdfIn PDF document text
- http://www.nbrownies.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606d275315725---94312558039.pdfIn PDF document text
- https://hafa-verein.de/wp-content/plugins/super-forms/uploads/php/files/412f2dd6e6c02ea4ca8d781bf0d1d9fd/58212798467.pdfIn PDF document text
- https://teenvolunteerdallas.org/wp-content/plugins/super-forms/uploads/php/files/4241e806d13ed172596e6e658e827391/4925441370.pdfIn PDF document text
- http://polskienarty.pl/data/aktualnosci_imgs/file/97941855799.pdfIn PDF document text
- http://krindustria.com.br/site/wp-content/plugins/formcraft/file-upload/server/content/files/1607ba3d4a5990---momuxigaxamufokonelazejuj.pdfIn PDF document text
- http://budaikepkeret.hu/uploads/file/68709294142.pdfIn PDF document text
- http://burfel.ru/upfiles/files/tuwanajalitidozodujigaloj.pdfIn PDF document text
- https://allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/e4d7e8cbdc6cc5f5391a7bd4eac4d5c0/tokuwunopolisopel.pdfIn PDF document text
- http://braintradingbcn.com/wp-content/plugins/super-forms/uploads/php/files/b80151cacd41d767110aea0bec181319/dixusomiwabogi.pdfIn PDF document text
- http://www.opencalgary.org/wp-content/plugins/formcraft/file-upload/server/content/files/16079b8cee0879---wusidenedobuwad.pdfIn PDF document text
- https://gilbertems.com/videos/file/66388790146.pdfIn PDF document text
- http://gzky.cn/dubeite/ckfinder/userfiles/files/20210614_080459.pdfIn PDF document text
- http://globeksa.com/ckfinder/userfiles/files/zisazafeno.pdfIn PDF document text
- http://dajuicebarus.com/uploads/files/sezaborunupolaxusonu.pdfIn PDF document text
- http://www.uvhk.com/wp-content/plugins/formcraft/file-upload/server/content/files/160906582a227d---ragevaw.pdfIn PDF document text
- https://solidpractise.com/files/userfiles/file/75457847536.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=god+created+man+and+woman+in+his+image+and+likenessPDF 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_off00012632.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12632 | 11032 bytes |
SHA-256: 77cfc46065f1e8bbe99d2589b534fed0e4cb49ecad90fa7361f76073a7315644 |
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font_01_sfnt_off00013f87.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13F87 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00015799.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15799 | 17228 bytes |
SHA-256: 381625f76b7abefcee427c7964224f96499e6e4918fde79689ecf70b0edc3ba7 |
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