MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file contains a large number of embedded links, many of which point to disposable hosting services and known malicious redirectors. The primary heuristic firings indicate that the document is designed to act as a link farm, likely to distribute malware or facilitate phishing attacks. The ML classifier and ClamAV detection strongly support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
Heuristics 6
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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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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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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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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/award?keyword=a%25C3%25A7%25C4%25B1sal+momentum+sorular%25C4%25B1+ve+%25C3%25A7%25C3%25B6z%25C3%25BCmleri+pdf In PDF document text
- https://gawosiluzetur.weebly.com/uploads/1/3/4/6/134631715/nidipi-fuzera-pamisixim.pdfIn PDF document text
- https://cdn.sqhk.co/lokijuzim/d1jdBAw/famous_inspirational_motivation_love_daily_quotes.pdfIn PDF document text
- http://topdiscount.pro/538139812259k0m4.pdfIn PDF document text
- https://cdn.sqhk.co/duwewofowus/RJk9zzY/names_of_football_referee_positions.pdfIn PDF document text
- https://cdn.sqhk.co/waxobakal/H0T84hc/rock_music_free_download_mp3.pdfIn PDF document text
- https://cdn.sqhk.co/mojupesonon/ghMgclS/speedy_cash_title_loan_requirements.pdfIn PDF document text
- https://cdn.sqhk.co/goduwonon/MNqgjjb/jakufi.pdfIn PDF document text
- https://sixutaxujarupi.weebly.com/uploads/1/3/4/8/134882582/laxavan.pdfIn PDF document text
- https://cdn.sqhk.co/nufanusiki/ia0Igfg/zara_jeans_sizing_chart.pdfIn PDF document text
- https://cdn.sqhk.co/zatejurix/agd0BR2/43890748796.pdfIn PDF document text
- https://cdn.sqhk.co/nisisepolo/hAGWtid/53080239280.pdfIn PDF document text
- http://dithetsen.xyz/are_wii_games_still_being_made4w97f.pdfIn PDF document text
- http://songkfrk.site/43171512531w4inb.pdfIn PDF document text
- https://cdn.sqhk.co/kubarevopew/ghgeJxN/44263921681.pdfIn PDF document text
- https://cdn.sqhk.co/wojinagimepu/eYeibhf/business_management_and_administration_books.pdfIn PDF document text
- http://tesocoin.online/641944953956dd80.pdfIn PDF document text
- https://bufudelazevel.weebly.com/uploads/1/3/4/7/134734798/3b1adff0f.pdfIn PDF document text
- https://foguvebosep.weebly.com/uploads/1/3/5/3/135315209/7290074.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/875b2abc-b97d-49b8-a1ba-529cf5e9c245/what_to_feed_picky_eaters.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/132d230c-d4aa-4212-a241-f8400d07cef0/mcgraw_hill_math_grade_3_workbook.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e8395025-13e7-492b-a5e5-571df0492bff/kaxapukom.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1d7c2257-9e58-44a0-91a9-d1031688060f/55246307692.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/dccd726a-29e1-4daa-b01c-d9ebfce7c5d7/wuziguvowepikamipokarize.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_off0000d3bc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD3BC | 5760 bytes |
SHA-256: 610de94ad2ab03b9089c572d44ad1b1e812f28987311a51f1781430b2f30e2ee |
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font_01_sfnt_off0000e6d9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6D9 | 12184 bytes |
SHA-256: a200bd59e48a35e6677e1d4fa45cd436394d7b62e424f8ef0bcb2ec12215c1eb |
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