MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded URLs that redirect to a known malicious domain, identified by multiple heuristics as a malicious redirector. The ML classifier and ClamAV also flagged this file as malicious. The primary IOC is the redirector URL used in the lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
Heuristics 5
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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 links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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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://crophysi.ru/123?utm_term=amblyopia+treatment+study+pdf In PDF document text
- https://xafituku.weebly.com/uploads/1/3/4/8/134863640/6133131.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4403266/normal_5fe63916b8b79.pdfIn PDF document text
- https://jerexibim.weebly.com/uploads/1/3/4/6/134654770/zukelujoxipeden_kelujatitipa_sopuzefatiduvez_duvaxiso.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4460680/normal_5fdebb1275ece.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4491669/normal_603a5d2f95ff2.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4370737/normal_5ffa507c4ecfd.pdfIn PDF document text
- http://copyright-supporthelp.com/wingstop_promo_code_2020_free_deliveryg62j0.pdfIn PDF document text
- http://tevfikyuce.xyz/923991609496m850.pdfIn PDF document text
- http://linavaluviriv.getenjoyment.net/mafiropitidowaf.pdfIn PDF document text
- https://jadivamanug.weebly.com/uploads/1/3/4/8/134868371/3397441.pdfIn PDF document text
- https://wixilasiniwib.weebly.com/uploads/1/3/1/1/131163505/1f941ffca.pdfIn PDF document text
- http://grenkasalo4.xyz/what_is_the_contingency_theory_of_reinforcement311pf.pdfIn PDF document text
- http://life-news.tech/67571913141t1q3g.pdfIn PDF document text
- http://zaxiluxedexu.getenjoyment.net/fusionner_fichiers_mac.pdfIn PDF document text
- https://bawusazatodopam.weebly.com/uploads/1/3/1/3/131378774/77764.pdfIn PDF document text
- http://zifeladawu.scienceontheweb.net/5496435559.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/jidagafinuxesu/24174366455.pdfIn PDF document text
- https://s3.amazonaws.com/mokuwanibof/hvac_technician_certification_exam_guide.pdfIn PDF document text
- https://s3.amazonaws.com/kezemiradigu/ratametexemepufuroronug.pdfIn PDF document text
- https://s3.amazonaws.com/pugomonapoxuxe/airlift_performance_3p_for_sale.pdfIn PDF document text
- https://s3.amazonaws.com/dusined/best_4k_wallpapers_for_android.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/067f59a7-b159-4d20-8976-ce744a86c814/what_are_the_main_differences_between_the_house_and_the_senate.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/725ae6f0-fa95-48b2-bef3-9922d1f60d4a/52477864367.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_off0000fb82.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB82 | 5420 bytes |
SHA-256: e513ba8f54d2b86d22185a212c9d8674a5d15faea5e9201934fff0174df0d64c |
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font_01_sfnt_off00010dd7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10DD7 | 10680 bytes |
SHA-256: ee5d6d7f2782c0777296b83f9afc33d8f8549d80be07b60523fb003a6aa6ea14 |
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