MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The sample is a PDF file flagged by ClamAV as Pdf.Phishing.Trojan and by an ML classifier as malicious. It contains an external URI pointing to 'nipisod.ru', which is likely part of a phishing or malware distribution scheme. The PDF also functions as a link farm on disposable hosting, further indicating malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
Heuristics 5
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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 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/strik?utm_term=market+leader+elementary+answer+key+pdf PDF link annotation
- https://static.s123-cdn-static.com/uploads/4387821/normal_5fe1ad902f954.pdfIn PDF document text
- https://s3.amazonaws.com/votawawo/feperepofukixepomexef.pdfIn PDF document text
- https://zunuduzeguw.weebly.com/uploads/1/3/4/3/134344012/kaluxiwela.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4387035/normal_601b60272719d.pdfIn PDF document text
- https://joxegozul.weebly.com/uploads/1/3/1/0/131070165/pibotamiker-viterozonuzilif-mapajezu.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4391893/normal_60225b6d73127.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4373992/normal_6064e94f65e8b.pdfIn PDF document text
- https://gofutetawavoror.weebly.com/uploads/1/3/0/8/130874623/8839499.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4462678/normal_601b3c5f30fbb.pdfIn PDF document text
- https://bawilawuvibowe.weebly.com/uploads/1/3/4/4/134401702/bewebujagikumoxuveda.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4458633/normal_6008c8c6bf0ce.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4366374/normal_5fc8c589ed664.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4369926/normal_6008c8094b002.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4499329/normal_6044239606c1f.pdfIn PDF document text
- https://s3.amazonaws.com/rixevozajixezos/pawelufebizixikejevuri.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4388041/normal_5fe19b6bd665a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4422135/normal_604fbe18ce148.pdfIn PDF document text
- https://s3.amazonaws.com/farefasejikap/2012_ibc_seaoc_structural_seismic_design_manual_vol._4.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/1e71a44e-42ce-464e-8253-5d62b4ab8b66/satimutumipetidos.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9f0639d5-f744-4953-aa26-95aad6059b2e/computer_hardware_engineer_jobs_in_chennai.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/de5f9a40-c354-4ea9-89ef-a239c8a047a1/75601061125.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7610a6d1-aa7d-4bbe-ae06-7c83912346b9/sequences_review_worksheet_answers.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c171619a-8772-4fa6-bd2e-49606f07addb/pofalotiratenajuwufuk.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000dce1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCE1 | 5448 bytes |
SHA-256: c333fa31aa7849f22be3673f728c168263779eae18421662494bd6f3dc9529f4 |
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font_01_sfnt_off0000ef7b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF7B | 18300 bytes |
SHA-256: 67c7225f5b3552dc9159e5e418c63f2ad092ff36d6a7600576212d325d679111 |
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