MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple embedded links, with a critical heuristic identifying a link to known malicious redirector infrastructure at 'https://yafferge.ru/wix?keyword=netzwerk+a2+answers'. The ML classifier also strongly indicated maliciousness. While no scripts were extracted, the presence of numerous links, many on disposable hosting, suggests a phishing or scam attempt designed to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
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://yafferge.ru/wix?keyword=netzwerk+a2+answers In PDF document text
- https://cdn-cms.f-static.net/uploads/4459630/normal_5fdb39f21824a.pdfIn PDF document text
- https://cdn.sqhk.co/jasojime/difiche/53881477745.pdfIn PDF document text
- https://cdn.sqhk.co/sozovifena/xgegg2X/nutumokuligisov.pdfIn PDF document text
- http://momentikshop.space/online_hd_bollywood_movies_free_streaminge5itg.pdfIn PDF document text
- http://clebohets.xyz/11855419939zfq49.pdfIn PDF document text
- https://cdn.sqhk.co/zanotunuzi/cOkjeig/56480489930.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4416140/normal_601e62e900842.pdfIn PDF document text
- https://cdn.sqhk.co/bimonabozo/jjdqij5/movie_collection_app_iphone_free.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4412568/normal_5fc91298b580d.pdfIn PDF document text
- https://cdn.sqhk.co/xefilelo/ajgMmif/pinata_hunter_3_hacked.pdfIn PDF document text
- http://zijiwox.iblogger.org/37623222726.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4476577/normal_6010f31f29d38.pdfIn PDF document text
- http://tevuvisena.iblogger.org/nemipexufuzo.pdfIn PDF document text
- https://cdn.sqhk.co/ratufewebu/rgcgfAg/greatest_hits_radio_jingles.pdfIn PDF document text
- http://nesobaka9.xyz/ursa_mini_pro_user_manualtagg9.pdfIn PDF document text
- http://susurrus.space/aww_tera_happy_birthday_song_mp3_downloadwzdqy.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- http://fulovefodib.epizy.com/sponsorship_proposal_template_indesign_free.pdfIn PDF document text
- https://s3.amazonaws.com/kukupunopedon/dragon_ball_legends_android_saga_z.pdfIn PDF document text
- https://s3.amazonaws.com/xakajoziwibi/gelifodir.pdfIn PDF document text
- http://nedilopasosugop.epizy.com/isoniazida_mecanismo_de_accion.pdfIn PDF document text
- https://s3.amazonaws.com/xozeb/centrelink_carers_allowance_fact_sheet.pdfIn PDF document text
- https://s3.amazonaws.com/bupaxomu/counting_crows_colorblind_piano_sheet_music.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d874.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD874 | 4584 bytes |
SHA-256: 96d66509d62b2679b0334e5c4e4abac9f921ff5c4c638fe59f4e64afa96dbc0b |
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font_01_sfnt_off0000e820.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE820 | 10252 bytes |
SHA-256: d884b0dfcb680602d8183bbefe63bb7269accb101571004d4a9d42cf9135e95c |
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font_02_sfnt_off00010af7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10AF7 | 4324 bytes |
SHA-256: 0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
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