MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file is identified as malicious by ML classifiers and ClamAV, indicating it's a phishing or trojan PDF. It contains numerous embedded URLs pointing to compromised WordPress sites and disposable hosting, suggesting a link farm designed to redirect users to malicious destinations. The presence of PDF-specific heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' reinforces this attack pattern. No scripts were extracted, but the overall structure points to a phishing or malware distribution lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9840
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://ketchas.ru/uplcv?utm_term=manual+milwaukee+screwdriver PDF link annotation
- http://orvosvalaszto.hu/uploads/files/pagofozivusikik.pdfIn PDF document text
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/ejh6l3pq3hn6l3kn3f5t0upike/87009806075.pdfIn PDF document text
- https://patidarpalanpur.com/web/k/main_admin/ckfinder/userfiles/files/63305427196.pdfIn PDF document text
- https://www.scilights.com/wp-content/plugins/super-forms/uploads/php/files/bb9b425196fb307c7bdbe2131a50136c/40468792072.pdfIn PDF document text
- https://www.diktu.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f656b7008a---43012700340.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610e578116a05---75439404924.pdfIn PDF document text
- https://retake.dk/ckfinder/userfiles/files/32196527482.pdfIn PDF document text
- https://estoniapools.com/contents//files/95218531595.pdfIn PDF document text
- http://cachnhietwin.com/luutru/files/83051640414.pdfIn PDF document text
- https://beribuket.ru/wp-content/plugins/super-forms/uploads/php/files/74a3046db695e101dbd104bb7087f890/57780317839.pdfIn PDF document text
- https://www.okcfarmersmarket.com/wp-content/plugins/super-forms/uploads/php/files/2f92ce9ebb9f419260cec7575d30b0a6/jidil.pdfIn PDF document text
- https://thehamptonsbloomington.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608440ccc1a7f---bawejofameruxapa.pdfIn PDF document text
- http://allamericannursing.com/userfiles/file/lirowonisor.pdfIn PDF document text
- http://ciaooo.ru/uploades/userfiles/file/zomoxaje.pdfIn PDF document text
- https://www.truck-transport.com/ckfinder/userfiles/files/sisawudikev.pdfIn PDF document text
- http://df-2.de/images/daten/file/forutiwafefuvuzoti.pdfIn PDF document text
- http://www.pranabkumar.com/fckimages/file/kisadirorujor.pdfIn PDF document text
- http://bridgesonthepark.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608af44831ee7---72811171751.pdfIn PDF document text
- http://chocolatycakes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c0db65ac7a9---dawakijuvuvogafinekoma.pdfIn PDF document text
- http://www.jimenez-casquet.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070d82b4c729---72985953184.pdfIn PDF document text
- http://gruaszarate.com/ckfinder/userfiles/files/45029769342.pdfIn PDF document text
- http://a-range.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160bfd6d419bb1---lanuzebowuwet.pdfIn PDF document text
- https://jungleflightchiangmai.com/Uploads/files/66902406008.pdfIn PDF document text
- http://fotografoenricogiampieri.it/userfiles/files/60502537982.pdfIn PDF document text
- http://verypool.cn/images/upload/File/44073931909.pdfIn PDF document text
- https://csam-villepinte.org/uploads/images/file/99039778535.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_off0000bdbb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBDBB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d5cd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD5CD | 17636 bytes |
SHA-256: a00d10746add98bfd688952d3a3ed810a2c018eb51fd26de69aa8fd6f578e351 |
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font_02_sfnt_off00010316.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10316 | 10648 bytes |
SHA-256: 09091cf8c8a8c839f7adc941e410fcf18826ff6ec29c6db72bd242234efa89b7 |
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