MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics as a link farm, containing numerous external links to potentially malicious sites. The ML classifier and ClamAV also identified it as malicious, specifically a phishing trojan. The embedded links, such as 'https://nipisod.ru/strik?utm_term=usps+international+mail+postage+statement', suggest a lure to trick users into visiting potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://nipisod.ru/strik?utm_term=usps+international+mail+postage+statement PDF link annotation
- https://pukiroxe.weebly.com/uploads/1/3/2/3/132303351/felotexodizoj-lexidigusiru-bovukibafutu.pdfIn PDF document text
- https://luzenesezenobo.weebly.com/uploads/1/3/5/3/135307250/4ccf53.pdfIn PDF document text
- https://zokaduxenatased.weebly.com/uploads/1/3/1/6/131637020/gelaxuvekof_foxafo.pdfIn PDF document text
- https://leborulixa.weebly.com/uploads/1/3/4/5/134503619/bcfc46b.pdfIn PDF document text
- https://suwitasejamuk.weebly.com/uploads/1/3/1/8/131856391/9206148.pdfIn PDF document text
- https://regakoxunurur.weebly.com/uploads/1/3/4/3/134380337/fa0c275aff.pdfIn PDF document text
- https://wumaluruporemad.weebly.com/uploads/1/3/0/9/130969386/sufuwebekigirijude.pdfIn PDF document text
- https://wisixujedos.weebly.com/uploads/1/3/4/7/134732494/vimisigagivazalug.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/10d49130-723a-4f4f-a3bd-13c165b9bf19/xinafufujirameson.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/18f55c5b-b62f-443b-afe4-9e83d7cdd3cd/68344688989.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8572a9aa-ea12-40d0-9622-a31c202466b4/john_deere_d110_steering_parts.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2bfe4067-79bb-447a-b0b1-13fa12e6e152/90248355960.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b3a69e86-c377-458f-8cdb-b907dc137d0c/6830114296.pdfIn PDF document text
- http://wojenubenizega.epizy.com/class_10_maths_ncert_solutions_download_chapter_4.pdfIn PDF document text
- https://3eeb541e-75be-486c-a732-b1e279b2a932.filesusr.com/ugd/eaab1c_f6c97c7f372d400bac77da3ab5430f4e.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/f98097c5-cf11-41d0-bb29-6d0dde420fef/24009593077.pdfIn PDF document text
- http://rebokomixuxoj.epizy.com/jasper_report_designer_tool.pdfIn PDF document text
- https://e0d0d77b-4c00-4265-bc22-f0cc5cf11ada.filesusr.com/ugd/957eb4_0b86fc3c82b94964a047b2943ed10cb8.pdf?index=trueIn PDF document text
- https://24d1f61b-f5c5-4d2f-8180-62589f44e8d8.filesusr.com/ugd/eed56f_c8dcdb0d1d30460185a8bcceef23eddb.pdf?index=trueIn PDF document text
- http://kudinezajaw.rf.gd/holy_quran_arabic_to_english_translation.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_off0000d951.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD951 | 4916 bytes |
SHA-256: 1dfac8b8c854a0762033976e33791299d4d5514d14111e474fca411d7f985a7e |
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font_01_sfnt_off0000e9e5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9E5 | 10432 bytes |
SHA-256: e8ca29d32d78b84b8198c82bc1667ab866e67f49bd45979e954ceb8db132187b |
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font_02_sfnt_off00010d91.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D91 | 4324 bytes |
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
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