MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a significant number of external links, identified as a link farm, suggesting a phishing or SEO manipulation attempt. The ML classifier and ClamAV detection strongly indicate malicious intent. While no scripts were directly extracted, the presence of numerous external URLs points towards a potential download or redirection mechanism, likely initiated by embedded JavaScript within the PDF.
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=how+to+write+year+end+performance+review+comments PDF link annotation
- https://geripefuni.weebly.com/uploads/1/3/2/7/132740274/fopusewopuziwurug.pdfIn PDF document text
- https://lupogupep.weebly.com/uploads/1/3/4/4/134444844/zikudo.pdfIn PDF document text
- https://cdn.sqhk.co/vekazedivipi/Ghggjdg/51363313189.pdfIn PDF document text
- https://cdn.sqhk.co/tosuwukiwate/hjihjbf/wawokidug.pdfIn PDF document text
- https://cdn.sqhk.co/xorilulog/gfIFjfN/dumb_ways_to_die_episodes.pdfIn PDF document text
- https://jidegumot.weebly.com/uploads/1/3/0/7/130776526/5720bd0e0.pdfIn PDF document text
- https://cdn.sqhk.co/woxekivepi/fjeriaX/cricket_wireless_plans_with_hotspot.pdfIn PDF document text
- https://cdn.sqhk.co/sobupepokor/hCfjfVQ/vabumuz.pdfIn PDF document text
- https://cdn.sqhk.co/napumefu/bib5ghx/bewuminimejinisag.pdfIn PDF document text
- https://cdn.sqhk.co/girewobo/2zXig6W/best_furniture_design_software_mac.pdfIn PDF document text
- https://cdn.sqhk.co/kixarozikej/dhjgiid/digestive_tract_definition_biology.pdfIn PDF document text
- https://cdn.sqhk.co/zilidadakole/ifTggSI/70416045400.pdfIn PDF document text
- https://cdn.sqhk.co/juvanejejuwo/cZphhPN/planetary_society_membership_card.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://xipanizi.myartsonline.com/what_are_the_5_main_personality_types.pdfIn PDF document text
- https://203e60c5-e32a-4587-ab6d-31d66de6d5b9.filesusr.com/ugd/014c36_411540b6271e4ae4ab0b0309e8587288.pdf?index=trueIn PDF document text
- https://336ddc11-c37d-4cd6-9685-7accad2975f7.filesusr.com/ugd/479fa9_b70a911507cc4a4f98ceedb93e8f4de0.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/sajezife/13727407822.pdfIn PDF document text
- https://s3.amazonaws.com/sojenozap/hilti_hit_200_technical_data_sheet.pdfIn PDF document text
- http://kijonag.onlinewebshop.net/57153041091.pdfIn PDF document text
- https://s3.amazonaws.com/zusevamasor/63172011812.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_off0000e9fa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9FA | 5484 bytes |
SHA-256: afa087fe3643ebaa1b2f25f5d964bf37b6adc14b496385ca4b7a5817e3178875 |
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font_01_sfnt_off0000fca8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCA8 | 9984 bytes |
SHA-256: e3c2e31b9a8d5828fd9427061089cf7e8258e811debb3c2a14cac88c50d19858 |
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