MALICIOUS
204
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file exhibits characteristics of a phishing lure, specifically employing a link farm and SEO redirector to entice users with a fake download. The presence of a 'download button' heuristic further supports this, suggesting a deceptive user interface. Although no scripts were directly extracted, the ClamAV detection and ML classification strongly indicate malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 7
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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 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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://seumenha.ru/wix?keyword=blitzer+algebra+and+trigonometry+pdf PDF link annotation
- https://static.s123-cdn-static.com/uploads/4423443/normal_60044d295c9f8.pdfIn PDF document text
- https://nobenore.weebly.com/uploads/1/3/2/6/132696051/9481595.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4495855/normal_5fcb23e1968a4.pdfIn PDF document text
- https://s3.amazonaws.com/wutogugej/what_is_the_value_of_r_constant_in_ideal_gas_law.pdfIn PDF document text
- https://mawubuzepegi.weebly.com/uploads/1/3/3/9/133989242/bimexubufazu-nubetedatazejom-werak-pofobuter.pdfIn PDF document text
- https://s3.amazonaws.com/jidagafinuxesu/82289335980.pdfIn PDF document text
- https://s3.amazonaws.com/setikizo/hidden_photo_calculator_apk.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4394072/normal_60044433d0aaf.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4485329/normal_5fe640f5251c5.pdfIn PDF document text
- https://s3.amazonaws.com/titugome/zilezudibivajipe.pdfIn PDF document text
- https://s3.amazonaws.com/jivala/air_conditioning_maintenance_procedures.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4409827/normal_6001d3a22ac8f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4421205/normal_603f95d83a9bd.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4408721/normal_600e11293d995.pdfIn PDF document text
- https://zeruwowigewal.weebly.com/uploads/1/3/0/8/130813736/533c8aeb6ec6.pdfIn PDF document text
- https://s3.amazonaws.com/gagagakigibapo/play_store_dark_mode_android_pie.pdfIn PDF document text
- https://konilusikiwi.weebly.com/uploads/1/3/3/9/133986353/gelefop_rojir_gilebufopafa.pdfIn PDF document text
- https://lisevududotuwak.weebly.com/uploads/1/3/4/2/134265384/rarid.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4486356/normal_601198aac7aaf.pdfIn PDF document text
- https://s3.amazonaws.com/zepifudoxapo/56146335705.pdfIn PDF document text
- https://s3.amazonaws.com/mamukawaxatali/asus_aura_software.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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_off0000e2da.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2DA | 5524 bytes |
SHA-256: 25b1f8c233d3671e9642a24b355264c12ef62c746c482c5b2b5f0de395964ec4 |
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font_01_sfnt_off0000f5a4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5A4 | 10520 bytes |
SHA-256: fd568da4f68fccaad7aa8eb2409bd1b5687f934be2ea0cb9c714494f7cf77602 |
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