MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, directing users to multiple external URLs, some hosted on compromised WordPress sites. The presence of numerous links and the use of disposable hosting suggest a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://infrive.ru/uplcv?utm_term=descending+order+worksheet PDF link annotation
- https://oliogalanis.com/file/11677394245.pdfIn PDF document text
- https://goldengrowers.com/wp-content/plugins/super-forms/uploads/php/files/b6716bea9843a263f72656c80ddca117/mevaxenadamuvo.pdfIn PDF document text
- http://thefjordbaklawfirm.com/clients/876731/File/wemewujivakekoge.pdfIn PDF document text
- http://womensmentalhealthmd.com/clients/9/9a/9a9ccad1be43d50cbc9928f06550b956/File/begawasutukulawuda.pdfIn PDF document text
- http://www.radioemka.com/wp-content/plugins/formcraft/file-upload/server/content/files/160728471b9b9d---9427941164.pdfIn PDF document text
- https://muratay.nl/userfiles/file/63699756165.pdfIn PDF document text
- https://hoffmanowska.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160a8cd16f1f64---vemejuxopafonisunujes.pdfIn PDF document text
- http://cichanski.com/Upload/file/rirujomivoboxawonukufowo.pdfIn PDF document text
- http://www.a-fairys-choice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160748691da40b---tuzevisudoladesamozu.pdfIn PDF document text
- https://greenturtleproductions.com.au/wp-content/plugins/super-forms/uploads/php/files/89ee146d7223c9d73ef157338cf83bae/tosevizixamujavulig.pdfIn PDF document text
- https://n95america.com/wp-content/plugins/super-forms/uploads/php/files/e646b1741c1ce6d768f23426eb0e0ebc/22435913776.pdfIn PDF document text
- http://ducnhua.com/upload/files/latufor.pdfIn PDF document text
- https://hantverkarenisandby.se/UserFiles/files/83635564272.pdfIn PDF document text
- https://abcelectricalonlineshop.brilliantwebtech.com/userfiles/files/senonifemakoduzazalodu.pdfIn PDF document text
- http://www.jindatunnel.com/up_files/file/28401619798.pdfIn PDF document text
- http://iideree.org/wp-content/plugins/formcraft/file-upload/server/content/files/160dabeb9135c0---79799100845.pdfIn PDF document text
- http://www.bridalchapel.com/wp-content/plugins/formcraft/file-upload/server/content/files/161206876d6582---76961947651.pdfIn PDF document text
- http://dmn.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160f1abc965f57---3402567157.pdfIn PDF document text
- https://agrachoff.ru/wp-content/plugins/super-forms/uploads/php/files/8f05002086a3fabc3703914c3fd5e98b/57568042703.pdfIn PDF document text
- http://chrisdepanneservices.fr/Sites/cds/files/5245038512.pdfIn PDF document text
- http://leebyunghun.org/new/upload/board/files/99274320414.pdfIn PDF document text
- https://www.hungarianassociation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f4bfdc3517---73946524221.pdfIn PDF document text
- http://jkbprivateiti.com/userfiles/file/55673394266.pdfIn PDF document text
- https://bxthirteen.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/7f8c052862a47906c7a27e287234402c/sumelubemuwetalatolewuf.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_off0000b912.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB912 | 16096 bytes |
SHA-256: 62dde6d8c1a1e5a46fad1f4ae04e110e646be1d12422e8efb6f2de2c32125504 |
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font_01_sfnt_off0000e1b5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1B5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f9cc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9CC | 10620 bytes |
SHA-256: 4985d3d9f2442204842f513df20daea996ea51c3a0e938b1f567ab3af3e76ed3 |
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