MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links to external websites, many hosted on compromised CMS platforms, suggesting it functions as a link farm. The primary purpose appears to be directing users to potentially malicious or phishing content hosted on these external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://action-roofing.com/wp-content/plugins/super-forms/uploads/php/files/9cdee9826f0104804f471cdc20f300c3/12417600425.pdf In PDF document text
- https://cplastik.cz/data/cms/file/27196723021.pdfIn PDF document text
- http://adance0112.com/upfile/editor/file/31630199195.pdfIn PDF document text
- https://higher-reason.com/wp-content/plugins/super-forms/uploads/php/files/91lls5c0ls5627pjtilillsebf/8100840716.pdfIn PDF document text
- http://www.kidnuri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607394ec0bac8---34774176088.pdfIn PDF document text
- https://medok18.ru/wp-content/plugins/super-forms/uploads/php/files/b221a4091b353d79d7f42268311b4b78/44738535957.pdfIn PDF document text
- https://landlorddebtadvisory.com/wp-content/plugins/super-forms/uploads/php/files/dbif6saii0b6i4j72pcpjovuh4/67989042967.pdfIn PDF document text
- http://premiumresourcing.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090f5a0b160a---jiveruzeku.pdfIn PDF document text
- https://grand-forge.ru/wp-content/plugins/super-forms/uploads/php/files/e11667bdeba4fd8b51c043d60274b4bf/47876047455.pdfIn PDF document text
- https://slaterlighting.com/wp-content/plugins/super-forms/uploads/php/files/18de24b473c0671339707f777e75973c/70400374031.pdfIn PDF document text
- http://www.jimenez-casquet.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a21f8e95db---379494567.pdfIn PDF document text
- https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/3ef7f1e2d8c8c6f2f959784809d67a95/91508085966.pdfIn PDF document text
- https://costumeworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/160868d45cf884---70337939492.pdfIn PDF document text
- https://www.diktu.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f4cfc64049---wejigoxogosatugurafimopum.pdfIn PDF document text
- http://adveotec.com/img/file/wagavatolerorales.pdfIn PDF document text
- http://anandamsanyal.com/userfiles/file/tikidazatirenozunazodopog.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/~3/6naE_Nh8_CY/uplcv?utm_term=que+edad+tiene+en+inglesPDF 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_off0000d8ec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8EC | 4956 bytes |
SHA-256: ec0bc002720571d65cf83c51f77f61684f096ffd71389641510c130b54086edc |
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font_01_sfnt_off0000e9df.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9DF | 11968 bytes |
SHA-256: 5e5db5296c6c73d9434b0296bc6cb80e8badf355b72a8b6209f09da63af24d96 |
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