MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample was detected by ClamAV as Pdf.Phishing.Trojan and flagged by an ML classifier, indicating malicious intent. Heuristics reveal it functions as a link farm, directing users to multiple external URLs hosted on compromised WordPress sites and other disposable domains. The embedded URLs, such as 'https://ketchas.ru/uplcv?utm_term=cottage+cheese+carb+count', are likely used for phishing or to download further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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=cottage+cheese+carb+count PDF link annotation
- https://www.adler-leitishofen.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a46eb9c7e2c---koxem.pdfIn PDF document text
- http://duda-tech.pl/dudatech/upload/file/wuligufikuruvatetefoxolu.pdfIn PDF document text
- http://cleannshieldflorida.com/wp-content/plugins/super-forms/uploads/php/files/228e86e4e0c73f6da4e169363c8087cb/33673860549.pdfIn PDF document text
- https://evenimentecastel.ro/wp-content/plugins/super-forms/uploads/php/files/plr12t1j7aj361lhilcuakukck/80943129314.pdfIn PDF document text
- http://artecgroupservices.com/imagenes/file/zonazebefuxelatatiko.pdfIn PDF document text
- https://www.quatainvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607bf5fd53176---59898689026.pdfIn PDF document text
- http://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b318f7bfcd3---kukigukemokilitafidag.pdfIn PDF document text
- https://www.opdrrustukalac.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c0c020c524---95260582424.pdfIn PDF document text
- https://agrachoff.ru/wp-content/plugins/super-forms/uploads/php/files/3e365a3f0a8dc73be7ca7fd1bfeb12e0/71816662972.pdfIn PDF document text
- https://www.alignerco.ca/wp-content/plugins/super-forms/uploads/php/files/0d540f196bf8d636dbc933bfa24f0398/35025397938.pdfIn PDF document text
- http://cloverpark1959.com/clients/51168/File/45755160728.pdfIn PDF document text
- http://scheiden-maassluis.nl/uploads//file/piloluroxonufetuj.pdfIn PDF document text
- http://ylpcl.com/ckfinder/userfiles/files/rozewavawo.pdfIn PDF document text
- https://yellowstonewildlife.com/38696920949.pdfIn PDF document text
- https://dm288.com/slicice/file/mofosogataselakola.pdfIn PDF document text
- http://www.whirlpool-beachcomber.at/wp-content/plugins/formcraft/file-upload/server/content/files/160dda0b9ec9f7---66697729544.pdfIn PDF document text
- https://wccia-vastu.com/wp-content/plugins/super-forms/uploads/php/files/e6507ac2cded727996ab8e9f5e4772e7/jatixanawakodoxulul.pdfIn PDF document text
- https://www.arphplumbing.co.uk/wp-content/plugins/super-forms/uploads/php/files/3e95ls6cecd1alr77j622f7c11/28284367800.pdfIn PDF document text
- https://bulgariapools.com/contents//files/81022928720.pdfIn PDF document text
- https://baohohoanglong.com/userfiles/file/48477200906.pdfIn PDF document text
- http://xn--e1aazeoc7d.xn--p1ai/images/shared/file/wejefotekarorewamuxa.pdfIn PDF document text
- https://marcuspietrek.de/MARCUS/files/file/kuxobisurovijuposep.pdfIn PDF document text
- https://numberonerevolution.it/file/86104070714.pdfIn PDF document text
- http://cerescommoditiesltd.com/Images_upload/files/8742481867.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_off0000f277.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF277 | 17384 bytes |
SHA-256: 98cf4c49e501b3af194003eb34126e01bf52d575853812bb01db19a327501f33 |
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font_01_sfnt_off00011fa9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FA9 | 10640 bytes |
SHA-256: 1394188959467b5289040f44e73ebcd016f5223b6d3b40a3c539b7e4b7e7f19b |
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font_02_sfnt_off0001380c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1380C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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