MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The document contains a link farm pointing to compromised WordPress upload storage, suggesting it's used to distribute further malware or phishing content. The presence of multiple PDF_SEO_DISPOSABLE_LINK_FARM heuristics further supports the use of these compromised sites for malicious redirection.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://vdgairconditioning.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1606cbd3fd3116---6801887490.pdf In PDF document text
- http://chagatea.ru/wp-content/plugins/super-forms/uploads/php/files/fb776476386a00886aa9b03935df49f6/42986240398.pdfIn PDF document text
- https://deniz-sogutma.org/img/userfiles/file/sukilumolux.pdfIn PDF document text
- https://www.ezhealthcheck.com/wp-content/plugins/super-forms/uploads/php/files/nreho7hm2n42go3l8bb5mo1qa0/88087724109.pdfIn PDF document text
- https://bilbox.es/wp-content/plugins/super-forms/uploads/php/files/6f10d9bf0f0085e1b11e43c36de7e9e6/38855372575.pdfIn PDF document text
- http://toddfamilyreunion.com/clients/4/48/482e924d5a052aa4a0c13eb8a30e0bc8/File/zofaxukowot.pdfIn PDF document text
- https://www.audioclinica.pt/wp-content/plugins/super-forms/uploads/php/files/f7p0hct75kkp9pjlkmtjokelp4/zibebatewiramirogogujaxu.pdfIn PDF document text
- https://kvgrup.com.ua/wp-content/plugins/formcraft/file-upload/server/content/files/1609272d572427---66652457157.pdfIn PDF document text
- http://alexhoffordphotography.com/temp/files/file/zujodiwemifadowafupi.pdfIn PDF document text
- http://ricarda-allegra.de/userfiles/file/13626212577.pdfIn PDF document text
- http://bridgesonthepark.com/wp-content/plugins/formcraft/file-upload/server/content/files/160be4e83976f3---rowarazo.pdfIn PDF document text
- https://www.picmephotoboothhire.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16070bc81a73bd---18608816654.pdfIn PDF document text
- https://archltginc.com/wp-content/plugins/super-forms/uploads/php/files/d3261cef1f642bc3db85b0bd79907229/fukugojitovadam.pdfIn PDF document text
- http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/d9ee2d5f8bbf8c95e2386a327e6d0cc2/66693655345.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=baba+balak+nath+free+mp3+downloadPDF 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e42d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE42D | 5612 bytes |
SHA-256: 117533b4a959b4c522f1ede632ba204f4a956b1d446741d77f1cb4ae3bc13a91 |
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font_01_sfnt_off0000f728.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF728 | 10996 bytes |
SHA-256: 270559a9deace0682eac927d20b7582bc02ba6136c2e3d250150783a288ddbeb |
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