MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The document contains numerous URLs, many pointing to compromised CMS upload directories or disposable hosting, suggesting it functions as a link farm to distribute further malicious content. The presence of 'utm_term' parameters in some URLs indicates a potential phishing or SEO poisoning campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://smidgel.ru/uplcv?utm_term=kumar+mittal+physics+class+12+solutions PDF link annotation
- http://dansensvenner.dk/imagesfile/%5C/wabizojanu.pdfIn PDF document text
- http://www.catalogodecineargentino.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609314a01e61c---20706590365.pdfIn PDF document text
- https://aquariumfargo.com/wp-content/plugins/super-forms/uploads/php/files/79da9bedf95c7cdc3acafc72424c12ad/72517030859.pdfIn PDF document text
- https://andrejc.si/files/file/gutaronulajes.pdfIn PDF document text
- http://adams-gold.ru/archive/image/file/78513904460.pdfIn PDF document text
- http://www.elsecretodelolivo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c41f1d1eee---69562766991.pdfIn PDF document text
- http://cityclick.it/userfiles/files/zasiwof.pdfIn PDF document text
- https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/160aeb4bacbc50---48141003734.pdfIn PDF document text
- http://lt101shop.com/userfiles/files/12368842337.pdfIn PDF document text
- http://www.uppld.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609a1df416c37---73696212561.pdfIn PDF document text
- http://braciszewska-klimek.pl/fck_files/file/58026863964.pdfIn PDF document text
- http://aranykoronakft.hu/userfiles/file/25337509895.pdfIn PDF document text
- http://dental-forum.ru/userfiles/file/99177722670.pdfIn PDF document text
- http://saokienviet.com/uploads/image/files/41936887643.pdfIn PDF document text
- https://lokmangal.co.in/wp-content/plugins/super-forms/uploads/php/files/4e6f887727b2066e6b761ab7e2424189/82104869862.pdfIn PDF document text
- http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/07b43aa70d82612105b9e85ff6a6f6b8/beramenejofu.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- http://fedorahosted.org/lohitIn 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d480.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD480 | 5192 bytes |
SHA-256: 8b3295311b5ff24517b99ac35be47260f3a3740100b3257dba844ec9229dbf74 |
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font_01_sfnt_off0000e604.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE604 | 10680 bytes |
SHA-256: 91bf26aa63cc9d5e478a550016f086aad00ce3f987ed1d58c1da4c30bc4a51e3 |
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font_02_sfnt_off00010a4f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A4F | 4324 bytes |
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f |
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font_03_sfnt_off00011850.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11850 | 3564 bytes |
SHA-256: be45e5a1fcff15e6ba1da1d41ed1201991b52a0b5b4ba078e53c6022858dfcfb |
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