MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The file utilizes a link farm strategy, hosting malicious PDFs on numerous compromised WordPress sites, often using SEO-related terms like 'bhagavad gita sanskrit pdf download' to attract victims. The primary attack pattern involves luring users to download a malicious PDF disguised as legitimate content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
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://catamma.ru/uplcv?utm_term=bhagavad+gita+sanskrit+pdf+download PDF link annotation
- https://www.costaverde.it/wp-content/plugins/formcraft/file-upload/server/content/files/1608bd0e134bbb---tejozerukarajixebikije.pdfIn PDF document text
- https://mindweave.co.uk/wp-content/plugins/super-forms/uploads/php/files/nnpt9nedeujosdgbp6opubjcfe/bizidepetatodokarir.pdfIn PDF document text
- https://rittenhousesmiles.com/wp-content/plugins/super-forms/uploads/php/files/169e72eb94c0b5aeec40500fae1fef09/76455935786.pdfIn PDF document text
- https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/majiciljj99nupbguh4j0l213c/mifivirejuvife.pdfIn PDF document text
- http://xn--12cmi2byac9cdhd0hra6d7bxkwbgj1gch.com/user_img/files/61229900646.pdfIn PDF document text
- https://ketgate.eu/wp-content/plugins/super-forms/uploads/php/files/85f7b4f612f872fb97328b8fccef56d1/36148508584.pdfIn PDF document text
- http://fujavietnam.com/images/Download/7516684057.pdfIn PDF document text
- https://www.brunosistemi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609109ab9cf7e---48117259614.pdfIn PDF document text
- https://sckprime.com/wp-content/plugins/super-forms/uploads/php/files/0f01c951b20073aa07129dd8e566ee42/66327554322.pdfIn PDF document text
- http://becro-plast.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160a300387c65c---fatukederujukek.pdfIn PDF document text
- https://benchmarktransitions.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095793487225---nadaximapijosu.pdfIn PDF document text
- https://amesmedicalservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1f05f88e81---lufodutaresefejifudedefi.pdfIn PDF document text
- http://rajskiewakacje.pl/userfiles/file/43203933705.pdfIn PDF document text
- https://graffitipaintstudio.com/wp-content/plugins/super-forms/uploads/php/files/ba4351e80adad1619be10e8ca797f4ca/70008694931.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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_off00012f33.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F33 | 2952 bytes |
SHA-256: 013fc9f45313cdddd5762e6694753e55f6a85ad2eec225b6e17fd140af1ee5c7 |
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font_01_sfnt_off000139c2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x139C2 | 5568 bytes |
SHA-256: 4c4ee21b197f51ee1ee4e5db1418d4097f4ee6933f25c12ad30f3588f0b569e5 |
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font_02_sfnt_off00014cca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14CCA | 11188 bytes |
SHA-256: f0900c8a89b3a3c436026c309cc1b2a413e3442119dd0266284213caf44de18b |
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font_03_sfnt_off0001730c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1730C | 6944 bytes |
SHA-256: f029b661667ef5ac9f0b8f3a00f665be5f43c664ff45dc257ef2cfce4c9bbd98 |
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