MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains heuristics indicating it's a malicious redirector, specifically designed for phishing. The embedded URL, 'https://yafferge.ru/strik?utm_term=linux+commands+with+examples+and+syntax+in+hindi', is flagged as malicious and likely leads to a phishing page. The ML classifier and ClamAV detection further support its malicious nature.
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://yafferge.ru/strik?utm_term=linux+commands+with+examples+and+syntax+in+hindi In PDF document text
- https://cdn.sqhk.co/wadelovelo/XWSPgcl/43331491282.pdfIn PDF document text
- https://cdn.sqhk.co/zigimovovu/jERghjc/26150780029.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4393499/normal_5fe2712d8a27e.pdfIn PDF document text
- http://kufowawixapiva.sportsontheweb.net/holmes_wemo_heater_manual.pdfIn PDF document text
- https://cdn.sqhk.co/wotutovebo/jiCibF9/gun_shot_wounds_ppt.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4384320/normal_6023e11d1e053.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4409806/normal_60350df5ca27e.pdfIn PDF document text
- http://pakirekugep.scienceontheweb.net/52472858251.pdfIn PDF document text
- https://cdn.sqhk.co/dosakupu/7m5bXsz/fios_tv_one_rental_cost.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4411682/normal_6018adbea0c7e.pdfIn PDF document text
- https://cdn.sqhk.co/fuwinoxaxava/bsehc8v/95867079538.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://fedorahosted.org/lohitIn PDF document text
- https://s3.amazonaws.com/telasebisu/70047953329.pdfIn PDF document text
- https://s3.amazonaws.com/wolina/midland_75-822_handheld_cb_radio_manual.pdfIn PDF document text
- https://s3.amazonaws.com/lawakux/analog_integrated_circuits_and_signal_processing_template.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f30866ba-dee3-4ed9-821f-41be05e890a7/xuxuteluzuwakowom.pdfIn PDF document text
- https://s3.amazonaws.com/xuzakob/les_choristes_pepinot_piano_sheet_music.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/dc4a6936-61c3-49e5-8163-bfd2813df8be/11191219357.pdfIn PDF document text
- http://mojenuj.atwebpages.com/functional_and_nonfunctional_requirements_of_hotel_management_system.pdfIn PDF document text
- https://s3.amazonaws.com/nelizenejakarug/baines_high_school_uniform.pdfIn PDF document text
- https://s3.amazonaws.com/wamatasamegu/firefox_for_linux_redhat.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
- http://www.geocities.com/mitra_anirban/hobbies.htmGNUIn PDF document text
- http://www.gnu.org/copyleft/gpl.htmRegularIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00013ac9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13AC9 | 5420 bytes |
SHA-256: 00b7e7030b656c34841ccf377e75d3570313291f486b925b80015a8f86cf92c2 |
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font_01_sfnt_off00014d2e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14D2E | 3720 bytes |
SHA-256: 6539b129c5cd894636dc8f40f53a156c00c8f46378ab4f137c96d687a1cff6ed |
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font_02_sfnt_off00015891.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15891 | 11856 bytes |
SHA-256: bdb02e0aa716250ee91f2a743cc3a802eee617f2298652835cbf82fd99ed180a |
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font_03_sfnt_off0001816c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1816C | 16176 bytes |
SHA-256: c640ec46a31f7a4d07399d10203dc7a11af1f347dc5c9e21171f3a77322dd547 |
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