MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was identified as malicious by multiple heuristics and an ML classifier. It contains a large number of external links, many hosted on disposable domains, suggesting a link farm designed to distribute malicious content or facilitate phishing. The presence of embedded URLs and the overall structure strongly indicate a malicious intent to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://pelibifir.ru/strik?utm_term=free+reading+comprehension+exercises+for+5th+graders PDF link annotation
- https://xesapexoxes.weebly.com/uploads/1/3/4/6/134633169/8b5a45ad.pdfIn PDF document text
- http://nokojatagi.mywebcommunity.org/cement_concrete_pavement.pdfIn PDF document text
- https://tigewatujuw.weebly.com/uploads/1/3/0/7/130738543/9309195.pdfIn PDF document text
- https://xikisujegowo.weebly.com/uploads/1/3/1/8/131856166/4ec27471650.pdfIn PDF document text
- https://cdn.sqhk.co/kupujape/ebDghhJ/jokotogukapike.pdfIn PDF document text
- http://vopugixeroramox.medianewsonline.com/sentry_1250_safe_manual.pdfIn PDF document text
- https://gituwelogasof.weebly.com/uploads/1/3/2/8/132814340/xonoxujodew_bavarusap.pdfIn PDF document text
- https://cdn.sqhk.co/kuwusemob/CtgeAkE/xujugu.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://luxupuxud.myartsonline.com/satifidafinepuwotiwerarof.pdfIn PDF document text
- https://ff999131-262c-4f46-aa1e-84c50d3d9e43.filesusr.com/ugd/a474dd_fd8ba9c10e734f68b384417c2eab7090.pdf?index=trueIn PDF document text
- https://5a98ae10-8c7e-48da-b83f-9bcbc644cfa3.filesusr.com/ugd/9a8764_a2d5166746df4d018f1f4f16c7e6f944.pdf?index=trueIn PDF document text
- https://5a2ada08-5b6c-402a-b0df-3636415b461e.filesusr.com/ugd/434ae6_0b590cefbf514eefa8389da37b8b6fd7.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/8d41a765-89ca-4130-b4f3-c6f3975c76a5/breaking_dawn_part_2_book_summary.pdfIn PDF document text
- http://xuxerutiwuv.onlinewebshop.net/does_lawrence_and_holo_get_together.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3e986b32-195d-4afa-92cf-cd339dfb38de/what_is_the_famous_line_from_gone_with_the_wind.pdfIn PDF document text
- https://d992f69e-bc5b-430a-92d7-abfd66d0380b.filesusr.com/ugd/6f7357_ee37a8750a6d49efbe9c7ec69c0109e9.pdf?index=trueIn PDF document text
- https://1ac5d900-0c69-4f12-8b1d-4e209472b8d2.filesusr.com/ugd/828753_f9ec4e503a7d4c4c90c6bf2f98dbec8b.pdf?index=trueIn PDF document text
- https://94db4134-5784-44c5-a63d-963e509970fa.filesusr.com/ugd/9c58c5_a258c954765b48c2bd1cad9876bb7610.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/deee70ae-2e86-4b4e-bc19-3d77974bcdf8/dracula_book_cover_art.pdfIn PDF document text
- https://8eccd3b7-fb20-4588-a5b5-4d8c58591879.filesusr.com/ugd/0e6328_1e6c7982d6ba4e939f5785861a410bad.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_off0000ee56.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE56 | 5684 bytes |
SHA-256: 17955a2e323b4b68cbeac8a0a3d715d6167d8a61ca12c0ab0d92d8343c038be6 |
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font_01_sfnt_off00010194.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10194 | 10712 bytes |
SHA-256: 94c235c4efd262bf24a64f80c26044b8adc16bd45eb95cfee3de72df8e7c2960 |
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