MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier. It contains a large number of external links, many hosted on disposable domains, suggesting it is part of a link farm or SEO scam. The primary external URL observed is https://nipisod.ru/award?keyword=anti+reflection+coating+principle+pdf, which is likely used to direct traffic for malicious purposes. No scripts were extracted, but the PDF structure and numerous external links indicate a phishing or scam attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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/award?keyword=anti+reflection+coating+principle+pdf PDF link annotation
- https://static.s123-cdn-static.com/uploads/4410443/normal_6004f31e1c6c5.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4367916/normal_600f21278bdb1.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4468838/normal_5ffe2e1f62a99.pdfIn PDF document text
- https://dejoputaxili.weebly.com/uploads/1/3/4/7/134763817/5181742.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4391896/normal_5fcb1da5f0d4e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4378152/normal_605716d8be283.pdfIn PDF document text
- https://pesasujax.weebly.com/uploads/1/3/4/8/134882000/c5cbc8cd8b947bb.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4390641/normal_60373a68c35d1.pdfIn PDF document text
- https://ramageputa.weebly.com/uploads/1/3/1/6/131637054/3a0327.pdfIn PDF document text
- https://vukuxonujifated.weebly.com/uploads/1/3/1/1/131164545/8fdacd68507d002.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366015/normal_601dd1493e03a.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4376103/normal_5fffb90b9bc0f.pdfIn PDF document text
- https://nuwevalixur.weebly.com/uploads/1/3/5/9/135990129/3970381.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://5ac9d038-517d-4536-97f6-676423289421.filesusr.com/ugd/b444d4_1b33e51dceca424a9b7bc458b9c0ddbb.pdf?index=trueIn PDF document text
- https://ce322291-b3da-4cc2-ae0f-523e25daec44.filesusr.com/ugd/4530da_3e12354728b44353ab3604ac148578dc.pdf?index=trueIn PDF document text
- https://edb7bb8d-792a-4213-93ec-7f573d37cc74.filesusr.com/ugd/bfd504_e152166fa8334815bc8f5878e16a5e08.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/cd110a4d-6c25-4db0-97e8-9492d30e118c/nepaguramilobawoze.pdfIn PDF document text
- https://s3.amazonaws.com/nitizobuv/getetefejupazivepu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ccf45646-7f43-41bb-9a69-6002dbe837c9/amsco_ap_human_geography_chapter_3.pdfIn PDF document text
- https://s3.amazonaws.com/nuvukivaxiren/how_to_play_multiplayer_goat_simulator_on_xbox_one.pdfIn PDF document text
- https://s3.amazonaws.com/sifawekujiki/7178276671.pdfIn PDF document text
- https://c6111751-42b6-464f-a8b1-832d492ff999.filesusr.com/ugd/3d0627_007392f7b7944cafa3261c45ede3d98e.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/zuniverijesud/77319982093.pdfIn PDF document text
- https://s3.amazonaws.com/pusixa/bahubali_3_full_movie_2019_free.pdfIn PDF document text
- https://aaf2f8d8-4593-4070-95c3-ed2308805076.filesusr.com/ugd/337eea_edd223dcbf5e45babfa4e1060d88bdd3.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_off000124ed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x124ED | 5136 bytes |
SHA-256: 946181d633fe86ff4b1b7faeb8ca25a72f1e6a4b7e2ebc440a224f76b8b64eef |
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font_01_sfnt_off00013677.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13677 | 11892 bytes |
SHA-256: 7bf90d54a5cf4984bdd90d64a6b8bbe5b016636cc604e67c7977766dd8eb5c16 |
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