MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous external links, many of which are part of a link farm designed to appear as search results for books. One prominent URL, 'https://baarspo.ru/strik?utm_term=el+retorno+de+los+brujos+libro+pdf', is directly associated with a heuristic firing indicating a potential phishing or malicious redirection. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://baarspo.ru/strik?utm_term=el+retorno+de+los+brujos+libro+pdf PDF link annotation
- http://talivur.22web.org/29706298290.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/xakajoziwibi/the_laws_of_success.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/abad815f-6ce7-46d5-9b0c-68268e81c9e9/how_to_hide_1st_page_number_in_word.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e9ca8107-76bf-4b8b-a784-4bb37e356c66/bosch_silence_plus_46_dba_how_to_start.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/06b26cfb-3f87-4304-baf2-c6906ab00c26/stories_to_read_to_your_unborn_child.pdfIn PDF document text
- https://2987c0f4-171e-4473-b3f1-a5468658115b.filesusr.com/ugd/75ff8a_14d19f9f17654d8c9fcafe638a0bb942.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/f6da3196-73b9-4992-b475-a9849c1ea9bd/98588269109.pdfIn PDF document text
- https://s3.amazonaws.com/tozaduliwubega/31957481595.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/22934cee-a59d-43cb-8a49-bc6625b9e9f6/jewotusogasatiwala.pdfIn PDF document text
- http://gasigigi.rf.gd/bachelorette_invitation_templates_free.pdfIn PDF document text
- http://kidoputuf.epizy.com/23744586783.pdfIn PDF document text
- https://s3.amazonaws.com/dudurat/media_and_entertainment_industry_in_india_report.pdfIn PDF document text
- https://8fa10226-37c2-454d-bd65-ced70ecbf0c4.filesusr.com/ugd/c34aa9_b7f3a618aae84ea78adc2508d9239e0c.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/5f17d930-d8db-4964-a329-bede9f951085/what_grade_should_read_diary_of_a_wimpy_kid.pdfIn PDF document text
- https://s3.amazonaws.com/wizitifowubux/weather_report_vadodara_gujarat_india.pdfIn PDF document text
- http://mavexewaxomem.rf.gd/zosolimafuvapifupe.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a5000e8b-b557-46b8-b4b4-8daa6717e238/ikea_malm_pull_up_storage_bed_review.pdfIn PDF document text
- http://ziwefegilow.rf.gd/cinema_4d_logo_template_free.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5d28f5b2-3c3d-45d5-a987-022ac14cfc55/wovez.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6c847f2f-3cf6-4010-8ef2-54a9956f123c/puntos_de_partida_10th_edition.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_off0000e803.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE803 | 5000 bytes |
SHA-256: 31a356cef19e8e9ea24dfe53c9e31d45237a67d243974a3b932c2783f6f01566 |
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font_01_sfnt_off0000f910.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF910 | 12352 bytes |
SHA-256: ace73f2ca7aed0a10bac068052a3a09f0ccd84c7d7ce1ebf2ae6f74ae69c25ca |
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