MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by multiple heuristics, including a critical alert for linking to known malicious redirector infrastructure. The ML classifier also assigned a high probability of maliciousness. The document body, though partially obfuscated, contains text related to a 'little book of talent review' and metadata indicating it was generated by wkhtmltopdf, suggesting a lure document designed to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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://crophysi.ru/strik?utm_term=the+little+book+of+talent+review In PDF document text
- https://cdn-cms.f-static.net/uploads/4409797/normal_601bad5d9f1be.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4368768/normal_5fe51394d94f2.pdfIn PDF document text
- http://detonicinitalia.website/77913410018rzf8t.pdfIn PDF document text
- http://carinsrates.com/australian_cancer_council_colonoscopy_guidelines82933.pdfIn PDF document text
- http://xorabawik.medianewsonline.com/61737796535.pdfIn PDF document text
- http://servisvds.ru/leaving_time_jodi_picoult_downloadn809z.pdfIn PDF document text
- http://juzufezike.mygamesonline.org/nikomasiwoj.pdfIn PDF document text
- http://zoompol.xyz/can_we_use_pointers_in_cfljhv.pdfIn PDF document text
- http://bigmagazin.xyz/tusefagusebufogidamugokf46g.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4453105/normal_5ff285732721c.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://durunorutap.epizy.com/lupotuxusulaxivitibo.pdfIn PDF document text
- http://pabotojixupi.atwebpages.com/82852598783.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/da5db042-721d-4f53-900c-7cdbd38d6b55/vevipazexenufaj.pdfIn PDF document text
- https://s3.amazonaws.com/wolina/audio_song_er_app_for_pc.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ec695b59-4f87-4d38-8eb8-0505a8a034f3/87938528901.pdfIn PDF document text
- http://tomunipi.rf.gd/6641517915.pdfIn PDF document text
- https://s3.amazonaws.com/zakunafu/zuguveberibefum.pdfIn PDF document text
- https://s3.amazonaws.com/kudefem/off_road_bus_games.pdfIn PDF document text
- http://tagijonegularol.myartsonline.com/sutiwelunesazewuri.pdfIn PDF document text
- https://s3.amazonaws.com/xonobijikivo/picture_story_english_worksheet.pdfIn PDF document text
- http://fuvogixus.epizy.com/the_fall_of_constantinople_worksheet.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d26c8424-7db3-4410-a756-daa823440a37/how_to_make_my_dryer_stop_squeaking.pdfIn PDF document text
- http://kepofif.onlinewebshop.net/vazuv.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_off0000ed9d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED9D | 4980 bytes |
SHA-256: c0bbbcde2f00609ed49a6fd1c8277ccac09dc3eb3230e2a98096a679b796a564 |
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font_01_sfnt_off0000fea1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEA1 | 11004 bytes |
SHA-256: 04fd4e3858b99a49ceeca38b8768577cced5f893dd16ddfbb7434566a148c819 |
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