MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of external links, many hosted on disposable domains, indicating a link farm designed to obscure malicious destinations. The heuristic 'PDF_SEO_LINK_FARM' and 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly suggest this is a phishing or malware distribution lure. The embedded URL 'https://ponafet.ru/strik?utm_term=paper+chromatography+lab+worksheet+answers' is likely the ultimate destination for the user, disguised as a worksheet answer.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
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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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://ponafet.ru/strik?utm_term=paper+chromatography+lab+worksheet+answers PDF link annotation
- https://bafiredevidif.weebly.com/uploads/1/3/1/3/131384403/b86eb9358d37aeb.pdfIn PDF document text
- https://xipunozelizu.weebly.com/uploads/1/3/1/3/131382486/mubujogiwigexivowu.pdfIn PDF document text
- https://xuvodovujekezoz.weebly.com/uploads/1/3/5/9/135957716/domewipizo_gokikenetugepe_kemagugixeki_laravaxodumik.pdfIn PDF document text
- https://pevaluxuduta.weebly.com/uploads/1/3/4/5/134502983/2674fd.pdfIn PDF document text
- https://jurogewogil.weebly.com/uploads/1/3/4/3/134318518/607203e8ff8df9.pdfIn PDF document text
- https://xododasewa.weebly.com/uploads/1/3/4/6/134600374/355f52.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4484814/normal_5ffab04612e36.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4450719/normal_60110b6dd1e07.pdfIn PDF document text
- https://lanoxujuzon.weebly.com/uploads/1/3/4/6/134630121/fufekuse.pdfIn PDF document text
- https://bumipavadawafez.weebly.com/uploads/1/3/2/7/132710759/8969980.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4452595/normal_6044fd2fc1513.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4375700/normal_6034424aa3bc7.pdfIn PDF document text
- https://kigusokitog.weebly.com/uploads/1/3/5/3/135300221/7261435.pdfIn PDF document text
- https://wawotuxela.weebly.com/uploads/1/3/4/3/134352856/bujitatarij.pdfIn PDF document text
- https://dozetiwe.weebly.com/uploads/1/3/1/8/131856451/vemebifesopad_xukasu_bulobez_xuvojimasefiwe.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4471946/normal_603faa80a08ed.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4471488/normal_5fec38afe9c25.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/2f4f119f-7351-4461-b8df-abf475417258/english_to_bengali_sentence_translation_software_free_download_for_pc.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/db4e3d25-7d33-4b44-9fed-6b4ec8e6ad55/norse_mythology_loki_horse.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5212940d-e4e6-403b-96dc-1bead725bb48/20_love_poems_pablo_neruda.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/06b4ee61-2c3e-432f-a1b8-73e5a4587a6f/fuwunupu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/628845a9-2a0a-4469-be43-677da2847e0c/how_to_hack_shell_shockers_on_chromebook.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
- https://savannah.gnu.org/projects/freefont/In PDF document text
- http://www.gnu.org/licenses/In PDF document text
- http://www.gnu.org/copyleft/gpl.htmlIn PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000efdf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFDF | 6812 bytes |
SHA-256: 31d4dd97cf5147e6b059c24d0fa5ef82248f625d272ff84a9e6c0d2f8a785f9a |
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font_01_sfnt_off00010114.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10114 | 5744 bytes |
SHA-256: 403e775d717c12f272ff38aa5600c9821036279c0d115d48956692ca50b9883a |
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font_02_sfnt_off0001148f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1148F | 11152 bytes |
SHA-256: 308166abd1d66b90f7282ed6bbb1ad0ad04052cc3fa9a4e8463ed0094fe0a1ce |
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