MALICIOUS
136
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
The PDF file was flagged by multiple heuristics as malicious, including a high-severity rule indicating it links to an SEO redirector for phishing. The ML classifier and ClamAV also identified it as malicious. The embedded URL points to a suspicious domain, likely serving as a lure for a phishing attack or to download a second-stage payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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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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://nipisod.ru/123?utm_term=iccm+care+cqc+report PDF link annotation
- https://cdn.sqhk.co/vawapisoxe/Tiaifhh/how_to_update_software_on_macbook_air_2011.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4454822/normal_602e2f10654db.pdfIn PDF document text
- https://cdn.sqhk.co/birenejar/hgfp7gc/ignou_mcom_solved_assignment_2018-_19_free.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4472788/normal_5fee21d2c89fd.pdfIn PDF document text
- https://s3.amazonaws.com/zidosozawok/akala_ko_nung_una_lyrics_free.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4486548/normal_602ba7c8757d3.pdfIn PDF document text
- https://zuberexuwaxif.weebly.com/uploads/1/3/4/5/134501439/e96a990a9a.pdfIn PDF document text
- https://zegilaritapedu.weebly.com/uploads/1/3/1/4/131438092/vasawazalunukusepiza.pdfIn PDF document text
- https://cdn.sqhk.co/xutujipux/haOJCgd/brain_out_level_27_how_to_solve.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4367303/normal_6019ff6269eb8.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369654/normal_5fd320e23f81e.pdfIn PDF document text
- https://cdn.sqhk.co/risubibasero/ifiezJ6/powerpoint_office_floor_plan_template.pdfIn PDF document text
- https://s3.amazonaws.com/xisefowu/60461218683.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/09b6b4ad-b477-4576-bca2-96c696c088b5/lodge_cast_iron_recipes_for_chicken_pot_pie.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5da7e473-a223-44be-847d-19bfea8fbdcf/what_does_the_rattlesnake_on_the_gadsden_flag_represent.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2e5a3073-7d3e-46db-9593-709ea474f3c5/speed_queen_dryer_programming_manual.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5f0ca335-8ac2-4ffb-b994-b16c56ae10ee/juvipagil.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0bc40029-f5d1-427d-a642-a165ef6901e6/short_film_review_examples_for_students.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_off0000f903.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF903 | 4932 bytes |
SHA-256: 5c5c47bb6c3fd754f57891cd758560bbfe9645a9a582ec8d7fe4787d5c8b2153 |
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font_01_sfnt_off000109b8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109B8 | 11548 bytes |
SHA-256: 2e0c17c65d402fbce0d73cced0bb83361cd85a76d309d801c99eb53fac7a9854 |
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