MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'dafemum.ru'. This indicates an attempt to lure the user to a potentially harmful external site. The ML classifier also strongly flagged this PDF as malicious. While no scripts were extracted, the presence of a malicious URL is sufficient evidence of a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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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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://dafemum.ru/strik?utm_term=which+is+the+best+book+for+ethics+upsc In PDF document text
- https://cdn.sqhk.co/kapapomabu/dIjdDRM/11366561296.pdfIn PDF document text
- http://forovasax.medianewsonline.com/acuerdo_final_de_paz_colombia.pdfIn PDF document text
- http://pupezawat.scienceontheweb.net/365_day_challenge_ideas.pdfIn PDF document text
- http://muzoc.xyz/luzoduzkzrzz.pdfIn PDF document text
- http://kind-insta.site/vaveligophr9y7.pdfIn PDF document text
- http://futegejetebe.22web.org/16937854435.pdfIn PDF document text
- https://cdn.sqhk.co/manoxixo/C9Ojhib/32779039194.pdfIn PDF document text
- https://cdn.sqhk.co/fubafonu/fUkggrt/golf_score_counter_apple_watch.pdfIn PDF document text
- https://cdn.sqhk.co/zuronenom/hVRVihg/flickr_photos_disappeared.pdfIn PDF document text
- https://cdn.sqhk.co/bezorufuv/biiG6Qv/44988012990.pdfIn PDF document text
- http://zzzmmmmejjj.space/plot_of_heart_of_darkness_by_joseph_conradw95pl.pdfIn PDF document text
- http://neojust.ru/food_bank_of_siouxland_sioux_city_ia1910f.pdfIn PDF document text
- http://netewe5.xyz/faceing_math_geometry_lesson_2_answer_key7d2w2.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/08db4c01-3ee3-47ca-aa36-41552408292b/sony_icf-c1_alarm_clock_radio.pdfIn PDF document text
- http://puwagof.rf.gd/concise_idiosyncratic_gapped_alignment_report_cigar_string.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ed720c24-079a-4892-86ab-89712c90b163/samorowifiduzuvez.pdfIn PDF document text
- http://nowimirozox.atwebpages.com/how_to_use_a_greenworks_2000_psi_pressure_washer.pdfIn PDF document text
- http://fabedidatifi.onlinewebshop.net/biopsychosocial_model_of_health.pdfIn PDF document text
- http://kubemumibesedu.epizy.com/94006883512.pdfIn PDF document text
- https://s3.amazonaws.com/dukavunivifa/nojadiduvavap.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f076bbec-9e3e-40d5-96f6-447db4fc0176/fomaradikepizese.pdfIn PDF document text
- https://s3.amazonaws.com/nagev/neziguzumej.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b507e8f3-a51c-485a-8566-85a8e4c5f9c7/56899962069.pdfIn PDF document text
- https://s3.amazonaws.com/rixevozajixezos/11266406349.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4d238380-513c-4319-9862-ad22e886327f/996112159.pdfIn PDF document text
- http://lusajafimaneru.myartsonline.com/unit_6_geometric_proof_answers.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_off000125b1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x125B1 | 5080 bytes |
SHA-256: ae415f3ed9f80505ea63be4ccdf4426c3579c6ba6fea8c5ac85c3f28a93a6590 |
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font_01_sfnt_off0001370a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1370A | 11028 bytes |
SHA-256: 9f624b17d28c119112c744ee933b06bc7588a450b522dcfef79dadffe124315a |
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