MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple links to external websites, with one specifically identified as a link farm on disposable hosting, suggesting a malicious intent to redirect users. The ClamAV detection and ML classifier strongly indicate this PDF is malicious, likely a phishing or malware delivery mechanism. The embedded URLs and the nature of the heuristics point towards an attempt to exploit user trust by disguising malicious content within a seemingly innocuous document.
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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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=good+ideas+for+science+fair+projects+for+10th+grade PDF link annotation
- http://how2clever.com/89348679364eb8t0.pdfIn PDF document text
- https://cdn.sqhk.co/moserusoba/JKjetXU/muzilawikajarumagit.pdfIn PDF document text
- https://cdn.sqhk.co/vitimosugu/bAgeMij/jijofagom.pdfIn PDF document text
- http://tpdreport.com/75473932044cspfv.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4388163/normal_604f9d9f4cc95.pdfIn PDF document text
- https://cdn.sqhk.co/patemugimej/YhNN26R/30439098949.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4410694/normal_603722bb11696.pdfIn PDF document text
- http://freshmind.net/best_quality_leather_ballet_flatsstcyv.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4476930/normal_6009f07bda96b.pdfIn PDF document text
- https://cdn.sqhk.co/towitudamuga/hgJNgie/14632768193.pdfIn PDF document text
- http://xsale.trade/4899448849g2fxe.pdfIn PDF document text
- http://itsamorem.com/mehndi_design_video_full_hdw7tt9.pdfIn PDF document text
- http://thiswaytovogue.com/bolesaw_3_krzywousty_najwaniejsze_informacjeo2cnd.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4420586/normal_5feb63df0d3ef.pdfIn PDF document text
- http://unonatur.space/tijetutedemetomafufukojawbtgyx.pdfIn PDF document text
- https://cdn.sqhk.co/kivipemo/yUjhOie/kidafodalatariforinoporeb.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/56fa5e8a-c434-483d-8eda-e761ba73f06d/how_to_write_a_good_conclusion_for_a_persuasive_essay.pdfIn PDF document text
- https://9cc02d22-446e-415d-9686-6e49aadcb3b3.filesusr.com/ugd/aa6a08_76a31fbcf4e7487096157fc8a2d19ed4.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/ad4bca07-e794-4c9e-a4ab-3a32f1c73725/limezomitojada.pdfIn PDF document text
- https://d6477b75-8e4d-4453-8bbc-a86a6009e57c.filesusr.com/ugd/261d41_4b1a4971fdc94c128f214152c26407c4.pdf?index=trueIn PDF document text
- https://78fc25e8-d533-4ec3-a480-3617e8cc0d4b.filesusr.com/ugd/aa5866_660481e4c67348d995c1c736c5f26aea.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/a93173ae-bcf9-4f33-a239-b0450c7a902b/xujelodesomagadasaso.pdfIn PDF document text
- https://238a82c5-85a8-4641-a991-2f0f5270ddc4.filesusr.com/ugd/63f22d_f3e28d78ebae424f8406a011e67fabaa.pdf?index=trueIn PDF document text
- https://a2c67b61-a01d-4053-b7ad-f1487bca8054.filesusr.com/ugd/24853a_9b7333dae44248d0965eeac69fdd151f.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_off0000f39a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF39A | 5688 bytes |
SHA-256: e8eed8795fbd72093f91754455f5a1369aba31a03275fb2e1e56f16ee3b4f465 |
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font_01_sfnt_off000106fc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106FC | 10596 bytes |
SHA-256: 5b4fbe1cc7ee5665660b1c916eb18397f5600d5b59c7e41dd8f1eec3fae2df52 |
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