MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of external links, many hosted on disposable domains, indicating a link farm or phishing lure. Heuristics like PDF_SEO_LINK_FARM and PDF_SEO_DISPOSABLE_LINK_FARM strongly suggest this malicious intent. The ML classifier and ClamAV detection further confirm its malicious nature, likely serving as a dropper or redirector to malicious content.
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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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://druttle.ru/award?keyword=analysis+of+algorithms+tutorialspoint+pdf PDF link annotation
- http://mebovaduzi.mywebcommunity.org/absolute_essentials_of_islam.pdfIn PDF document text
- https://cdn.sqhk.co/motuwezelu/hHIgfje/creating_a_family_budget_template.pdfIn PDF document text
- https://cdn.sqhk.co/rugugojeba/ZgcHM9Q/rank_one_forms_fwisd.pdfIn PDF document text
- http://idslim-italia.site/71377356637m5qil.pdfIn PDF document text
- https://cdn.sqhk.co/volinafi/gejchcD/72746414900.pdfIn PDF document text
- http://noxopadorilu.iblogger.org/2861760876.pdfIn PDF document text
- http://keepmaxi.space/e_bildirge_kullanc_deitirme_formuf971v.pdfIn PDF document text
- http://xexapitanegis.getenjoyment.net/74127931667.pdfIn PDF document text
- https://cdn.sqhk.co/numokafas/hgAFaif/bullet_hell_300_mod.pdfIn PDF document text
- https://cdn.sqhk.co/jamolipa/diasjgf/videoder_hotstar_pc.pdfIn PDF document text
- http://help-violation.com/85281683629y9vly.pdfIn PDF document text
- http://nomevufaneboja.mypressonline.com/role_of_missionaries_in_colonization_of_africa.pdfIn PDF document text
- http://anyita.space/29609828792q11iw.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/dujepav/36369486922.pdfIn PDF document text
- http://vawerudarasikow.myartsonline.com/how_to_do_tarot_cards_for_beginners.pdfIn PDF document text
- https://33fe1336-4051-433c-b691-b763732126dd.filesusr.com/ugd/6c8f37_1aeddc2bc6f14130ac6f1c2167413a4a.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/zidosozawok/el_materialismo_histerico_xavier_velasco.pdfIn PDF document text
- https://s3.amazonaws.com/tanapilamaxi/customer_service_interview_question_and_answer.pdfIn PDF document text
- http://zizokeb.rf.gd/the_sum_of_interior_angles_of_a_regular_polygon_is_720_degree_720720_degree.pdfIn PDF document text
- https://s3.amazonaws.com/ganubifirigevi/zutapofosuvulexaxesomusun.pdfIn PDF document text
- https://1c019786-7048-4615-837a-ae53f087c4ae.filesusr.com/ugd/8b4172_a58e74f8981b48afa021cc886105fa48.pdf?index=trueIn PDF document text
- http://sajulugebimisu.myartsonline.com/71662536403.pdfIn PDF document text
- https://s3.amazonaws.com/begijufadi/63109627996.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_off0000efb5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFB5 | 5544 bytes |
SHA-256: 586085d0f7df2bfcdef9802c7f513968c2f8f014bbb71b84bedfbadeeda44327 |
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font_01_sfnt_off00010273.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10273 | 12568 bytes |
SHA-256: 3c40ceb0f2d244d78f3e8e8ba97f9d34abba055c91c45e9e7bdf38263e760509 |
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