MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains a mass link farm with numerous external URLs, indicating a phishing or redirection attempt. The heuristic PDF_SEO_LINK_FARM and PDF_SEO_DISPOSABLE_LINK_FARM indicate that the document is designed to host a large number of links, likely for SEO manipulation or to distribute malicious content. ClamAV detection and ML classification confirm the malicious nature of the file.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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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://bologen.ru/award?keyword=biology+class+9th+pdf PDF link annotation
- http://vuwagumewaga.iblogger.org/19418436647.pdfIn PDF document text
- http://podarokinsta.online/companies_sometimes_convert_receivables_to_cash_before_they_are_due_by_selling4c9ud.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4385012/normal_6044697e22c2b.pdfIn PDF document text
- https://lolifibek.weebly.com/uploads/1/3/4/6/134634661/nofuzubajofajom.pdfIn PDF document text
- https://dudakodut.weebly.com/uploads/1/3/4/4/134497067/9e6afc8db.pdfIn PDF document text
- http://sallehub.xyz/zatajirekapifajo5fs76.pdfIn PDF document text
- https://figidurilope.weebly.com/uploads/1/3/1/4/131452961/4ee4ef.pdfIn PDF document text
- https://jakuxilo.weebly.com/uploads/1/3/4/7/134711712/4343622.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369183/normal_600aa170db14a.pdfIn PDF document text
- https://sevafigetof.weebly.com/uploads/1/3/4/9/134902911/wonemabezel.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4455660/normal_5fdd2adf02b5a.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4404122/normal_5fcf3f13581ed.pdfIn PDF document text
- http://internet-babki.ru/how_to_read_digital_bathroom_scalesdxsf2.pdfIn PDF document text
- https://resuzomesidi.weebly.com/uploads/1/3/4/7/134746605/tokivexefura.pdfIn PDF document text
- http://b0xberry.online/pawobakukazijotogixelupoc7.pdfIn PDF document text
- https://xufodikufidu.weebly.com/uploads/1/3/5/3/135382923/saxadoxulesuzipiwul.pdfIn PDF document text
- https://xelopapet.weebly.com/uploads/1/3/0/7/130775154/wetigudugawak.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://d8d691c7-cf48-432b-bece-a54604b57851.filesusr.com/ugd/1e3a4b_806fcd6bb19e42ad9db18f875e51a838.pdf?index=trueIn PDF document text
- https://d38713d8-f9e0-49bf-8e72-3f46774ce551.filesusr.com/ugd/b3faf5_5e4a6cd45c3249a79af83be8804bebda.pdf?index=trueIn PDF document text
- https://0ed7c29b-d5f2-4290-8b47-add6aa38300d.filesusr.com/ugd/32a223_72a3ae2010724464af37dc779e3638fb.pdf?index=trueIn PDF document text
- https://b4095e1f-5e43-4c35-8b28-ff0c3185c247.filesusr.com/ugd/9cc3de_3fedbc17349443878ef34d0c6f60a0c1.pdf?index=trueIn PDF document text
- http://xivefasojag.epizy.com/pivadasipifuja.pdfIn PDF document text
- https://71a5d838-4e22-4830-8da1-7955ec3365f5.filesusr.com/ugd/f2f43e_14abb3fa17604e96bd0a953b879d335f.pdf?index=trueIn 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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001317e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1317E | 5628 bytes |
SHA-256: 5e9f1ff570dcc8a49840453e932afef07ee0b5736e1ba9be38bd4bd6a0af878f |
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font_01_sfnt_off000144b7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x144B7 | 10572 bytes |
SHA-256: 9118d96329476b2562ff9ffc74698a69ef504376533a8893da011aca13c012d9 |
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