MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The file is identified as malicious by ClamAV and an ML classifier, and it exhibits characteristics of a link farm. The PDF contains numerous external URLs, with one pointing to 'crewmak.ru', suggesting a phishing or malicious redirection attempt. The heuristic 'PDF_SEO_LINK_FARM' indicates the document's primary purpose is to host a large number of links, likely to manipulate search engine results or distribute malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
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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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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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://crewmak.ru/pbw?utm_term=html+form+for+bus+ticket+booking PDF link annotation
- https://static.s123-cdn-static.com/uploads/4495257/normal_5ffd3c61258d3.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4404107/normal_5fd180dbb35f7.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4501045/normal_6039d166cfd96.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4474222/normal_60046ed52d2d1.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4385207/normal_60258c5531755.pdfIn PDF document text
- https://tikobivit.weebly.com/uploads/1/3/1/3/131382680/vezoguvexobif-kibezinovob.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4381105/normal_6014d3f4e251f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4470835/normal_5fda3ce2d9390.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366043/normal_603d12bcc45d8.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4467589/normal_60644edacdae2.pdfIn PDF document text
- https://vuloninufe.weebly.com/uploads/1/3/4/0/134012437/kunilexal-gufizudazubu-jozidel.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4479226/normal_5ff572383abd7.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4422884/normal_6031afe465039.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4466659/normal_605aeddfa3c46.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4485573/normal_603cc548eddbf.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4446260/normal_6001c2a8671a7.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4386087/normal_6002096a8d52e.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://deduxofevit.pbworks.com/f/como_calcular_el_mtbf_y_mttr.pdfIn PDF document text
- http://bopidix.pbworks.com/f/cookie_clicker_hack_name_youtube.pdfIn PDF document text
- http://xexufokug.pbworks.com/f/free_online_printable_monthly_budget_worksheet.pdfIn PDF document text
- http://duziruromeja.pbworks.com/f/mettre_blender_en_francais_2.79.pdfIn PDF document text
- http://tozuxexap.pbworks.com/w/file/fetch/144566550/fiat_punto_blaupunkt_radio_code_generator.pdfIn PDF document text
- http://sisagexal.pbworks.com/w/file/fetch/144597240/busapogawaz.pdfIn PDF document text
- http://jujirafamena.pbworks.com/f/how_do_i_warm_up_leftover_pizza_in_the_oven.pdfIn PDF document text
- http://pevozowo.pbworks.com/f/35460256916.pdfIn PDF document text
- http://sawanixum.pbworks.com/w/file/fetch/144522633/how_to_make_slither.io_code.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_off0000ceed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCEED | 5156 bytes |
SHA-256: 931783235f4a4982a590b6a6358334cf524a1e3170a679382466e7138d701f93 |
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font_01_sfnt_off0000e06b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE06B | 10120 bytes |
SHA-256: 2f5ecfdd0968bd532d5a9d7769adad7f2b51d617b93116c8f1da557b8a450fe4 |
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