MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous external links, many pointing to SEO-optimized content, and one specific URL is identified as an SEO redirector. ClamAV and ML classifiers flagged the file as malicious, specifically as a phishing trojan. While no scripts were directly extracted, the PDF structure and external link farm suggest a phishing lure designed to drive traffic to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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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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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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://lozipotod.ru/award?keyword=oscillatory+reactions+pdf PDF link annotation
- https://cdn-cms.f-static.net/uploads/4372723/normal_60399d0eea28d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4490735/normal_60527c482eb2e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4403117/normal_601bc235eb10d.pdfIn PDF document text
- https://tusutaxuwipafu.weebly.com/uploads/1/3/4/4/134403355/4880063.pdfIn PDF document text
- https://sidutoxa.weebly.com/uploads/1/3/4/8/134886075/3355900.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4414494/normal_5fca273e4538c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4393637/normal_604c9bb6017c1.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://s3.amazonaws.com/lakadutof/94_answers_synonym_for_teacher.pdfIn PDF document text
- http://fevelejuji.epizy.com/rugataxavisizomofivulil.pdfIn PDF document text
- https://s3.amazonaws.com/leributafa/bridge_wallpaper_photo.pdfIn PDF document text
- https://77a80da1-97a3-4b40-ba11-54c6d232eb66.filesusr.com/ugd/39a0fd_4973e978aefa4b97a4c5c731f7ad6186.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/fedufiporara/lerigufer.pdfIn PDF document text
- https://s3.amazonaws.com/lakadutof/add_monstrous_compendium_online.pdfIn PDF document text
- https://s3.amazonaws.com/ruzaganog/rexaluzixija.pdfIn PDF document text
- https://5aa8e680-8815-421c-97bf-f42f9929cda1.filesusr.com/ugd/bae363_521a263bae264bcb8c9d27559d42cfd2.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/vibuvomomuv/gonisojuxezonadewebava.pdfIn PDF document text
- http://zokosinetipaw.rf.gd/logarithm_and_antilogarithm_table_download.pdfIn PDF document text
- https://s3.amazonaws.com/pekatikisuruki/votovinanegumijiwev.pdfIn PDF document text
- https://0a3c8164-ddd9-4522-8472-457ce31ece15.filesusr.com/ugd/d32f78_eb984f2be474478c89c772bf80ec528f.pdf?index=trueIn PDF document text
- https://9e1e9198-0fe7-4103-8084-fdcc6befb8d5.filesusr.com/ugd/2f7815_611d04d84c9541b697e14c780eb76cd0.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/debamijizozexo/apologia_pro_vita_sua_espaol.pdfIn PDF document text
- http://zuzaxitiruxojax.epizy.com/piwimedewasunagisuse.pdfIn PDF document text
- https://37e79482-e567-4eff-b449-6ea9b90d4679.filesusr.com/ugd/cff0cd_4445e52e1e8048de97516db06478662a.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010a3e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A3E | 5064 bytes |
SHA-256: 8315dc7fa726f99856d23b9c8e096671aacf5c33d579c317fa1c59a44c54103f |
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font_01_sfnt_off00011b7f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B7F | 11188 bytes |
SHA-256: 957184ae72010f0ae406b6273bc9d6d97f4440ffbead7043f6480f211f05de3c |
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font_02_sfnt_off0001415c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1415C | 4324 bytes |
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
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