MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ClamAV as a phishing trojan and by an ML classifier, indicating malicious intent. It contains numerous links pointing to compromised WordPress sites and disposable hosting, suggesting a link farm designed to redirect users to malicious content. No scripts were extracted, but the structure and URL patterns strongly suggest a phishing or SEO poisoning campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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://shiokuda1.com/contents//files/62773367448.pdf In PDF document text
- https://sipsib.ru/wp-content/plugins/super-forms/uploads/php/files/c81cf6835c4fb411b4b1f2048c41a922/dikefipi.pdfIn PDF document text
- http://escolacaritas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dc944b401dd---pukedajomojerubobam.pdfIn PDF document text
- https://www.pfgpartners.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608abe50834c7---nefesiwamerodet.pdfIn PDF document text
- http://imagespa.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160b8e69ceed4b---43548363247.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c961099ef5f---rukaloxete.pdfIn PDF document text
- https://internationalmedia.com/userfiles/file/depikizotuxorifipusuk.pdfIn PDF document text
- http://ozona.pt/wysiwygfiles/file/binuzuvedivima.pdfIn PDF document text
- http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607b6192aa126---27068595056.pdfIn PDF document text
- https://kicksomeglass.com/wp-content/plugins/super-forms/uploads/php/files/0759198303bf3f216751a0d512d242c8/30291717073.pdfIn PDF document text
- https://staffxrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/4a56a5e5c6a1d152e989fc8af0ff466d/71509948158.pdfIn PDF document text
- http://codienlanhminhquang.com/upload/files/tebumabik.pdfIn PDF document text
- http://marcelponjee.nl/ponjeefiles/file/tusozatipaluw.pdfIn PDF document text
- http://sieckultury.pl/wp-content/plugins/super-forms/uploads/php/files/714b65450c83d6065da21c9e809a358a/32392950942.pdfIn PDF document text
- https://sitebyside.ru/wp-content/plugins/super-forms/uploads/php/files/51c5ff9b17b6129700bdcae7c82a4f4d/wopobula.pdfIn PDF document text
- http://stinpo.com/ckfinder/userfiles/files/66643052359.pdfIn PDF document text
- https://seataclightingalaska.com/wp-content/plugins/super-forms/uploads/php/files/24084cc0cdafdcf7f15d361b472dbb64/8924685139.pdfIn PDF document text
- https://frasertechno.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa7c0780ecc---43237956590.pdfIn PDF document text
- https://gdr.co.il/wp-content/plugins/super-forms/uploads/php/files/37d6f755d4ae72ae173c02469f4a2f2e/fivis.pdfIn PDF document text
- http://www.combatsim.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1608606ee482ad---tidibujuzesiziwisiweba.pdfIn PDF document text
- https://www.spreefahrten-berlin.de/wp-content/plugins/super-forms/uploads/php/files/pc80jnvpi0l1v323g1ntabqbnb/79349291127.pdfIn PDF document text
- https://www.getfitcrew.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e12bdb1764---29004274294.pdfIn PDF document text
- http://gramercygrand.ru/files/file/noxoraxonojazesos.pdfIn PDF document text
- http://inspirationallabels.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160b091d4f3c34---21490717561.pdfIn PDF document text
- https://www.geosuiteonline.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607bddb39cc45---11658658169.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=absolute+value+and+step+functions+common+core+algebra+1+homework+answersPDF 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_off0000cfdc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCFDC | 17240 bytes |
SHA-256: 35e4736f20f334787467d1060d811612e24bf71f01c241f6edac7de606314e67 |
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font_01_sfnt_off0000fd03.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD03 | 11584 bytes |
SHA-256: c85ce25347d21a2a0a7b3ee98fd191f691124d43aaa0171c85117d8475263707 |
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font_02_sfnt_off00011810.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11810 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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