MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains a large number of external links, with one pointing to 'nipisod.ru', suggesting a link farm or SEO manipulation tactic. The presence of embedded URLs and the PDF_SEO_LINK_FARM heuristic further support this. No scripts were extracted, but the overall structure and URL patterns are indicative of a phishing or malicious redirection attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://nipisod.ru/wix?keyword=abbey+road+apartments+newark+ohio PDF link annotation
- http://pedrons.space/wilupblnt4.pdfIn PDF document text
- http://jupizuginilumop.22web.org/love_theme_template_for_powerpoint.pdfIn PDF document text
- http://homeolimp.com/xulenavitabegasibu67t6g.pdfIn PDF document text
- http://mesretly.xyz/acer_aspire_s7_392_review456ms.pdfIn PDF document text
- https://fotovotujipibar.weebly.com/uploads/1/3/4/2/134267097/8556726.pdfIn PDF document text
- https://lowaribopuvege.weebly.com/uploads/1/3/2/8/132814272/virugenade.pdfIn PDF document text
- http://airbin.top/how_does_trading_currency_make_moneyj1bah.pdfIn PDF document text
- http://fabulouss.space/zipukiguxadogamu2f42l.pdfIn PDF document text
- http://wixiziz.iblogger.org/englisch_simple_past_past_perfect_bungen.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://uploads.strikinglycdn.com/files/6908315a-14a7-4399-904a-55526b5f8e36/how_to_put_film_in_a_600_polaroid_camera.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/15b767a4-ef77-4967-976e-ff70ff19eb70/falcon_bms_4.32_download_free.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b8130ea0-ce50-4fff-a475-4e68c438941d/rofuxiduvojifoxoxow.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ce5f8ae7-950d-4af0-9cdc-78ecca6120b1/68507515852.pdfIn PDF document text
- https://562c2315-396f-49d1-9e45-1236e049cb13.filesusr.com/ugd/ec0012_0db15bae444c4eca949cab834d8bfb90.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/c8303961-6fac-4c7f-af2b-9b98b903f192/kavilukutidos.pdfIn PDF document text
- https://168d2a81-f750-40c6-a653-3787650f980d.filesusr.com/ugd/3bcfef_7575404349094eae86530ccbde1fa2ae.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/d0f08039-e4dd-4133-89b4-f0d2f25e5b47/72194873178.pdfIn PDF document text
- https://e510c2d5-567e-4a96-89ff-abc18316baf7.filesusr.com/ugd/8a9bcc_e9f83dfe297542a495c3f62a7bbad116.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/87ca72ec-1cbf-4275-8df9-74d47f746d4f/mugimugefexixulemopiv.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://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_off0000ca3c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA3C | 5340 bytes |
SHA-256: 83fd82ea25be7296f43d9454586e0b06714c7374c01c0b60e503cdc464ae1ace |
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font_01_sfnt_off0000dc3c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC3C | 10616 bytes |
SHA-256: 152fdb28bd0139dafa63c44edbb329c1a5dd8fcef82e3bdfe00bb1b56f247947 |
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font_02_sfnt_off0000ffcd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFCD | 4324 bytes |
SHA-256: ce7e2e230a41ba6fc2d7d2240890c8289d67876d84a3d076d67c0b48111c8230 |
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