MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by multiple heuristics and an ML classifier, indicating it is likely a phishing or malware distribution attempt. It contains a significant number of embedded URLs pointing to external PDF files, suggesting a link farm or SEO manipulation tactic. One critical heuristic identified a link to known malicious redirector infrastructure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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 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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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=a+short+introduction+to+psychoanalysis+pdf In PDF document text
- https://megogira.weebly.com/uploads/1/3/4/5/134590171/sumaputiwududuxi.pdfIn PDF document text
- https://kigijizinelojuk.weebly.com/uploads/1/3/4/8/134848952/feligubejobeb-sagawe.pdfIn PDF document text
- https://cdn.sqhk.co/zaviresodew/ifjdmsp/crime_city_car_theft_vegas_gangster_games.pdfIn PDF document text
- http://blacklaser.ru/93382656278ctdga.pdfIn PDF document text
- https://cdn.sqhk.co/wadupaxi/ijghhic/survivalcraft_2_download_free.pdfIn PDF document text
- https://cdn.sqhk.co/xefilelo/gIicXrc/12113779016.pdfIn PDF document text
- https://xozobiju.weebly.com/uploads/1/3/4/7/134740052/zumekuxuno_widetogogimejuw_rikakelovafuj.pdfIn PDF document text
- https://cdn.sqhk.co/jesuzedavoti/hghiMIN/44996857465.pdfIn PDF document text
- https://cdn.sqhk.co/tijinujul/iijhejc/word_blocksatz_english.pdfIn PDF document text
- https://cdn.sqhk.co/zogowefu/phiqKii/44436929504.pdfIn PDF document text
- https://cdn.sqhk.co/bitijude/bhhigvp/secondary_high_school_classroom_management_plan.pdfIn PDF document text
- http://specrazreshenie.com/los_censores_luisa_valenzuela_resumenh0r6l.pdfIn PDF document text
- https://dudosixe.weebly.com/uploads/1/3/4/3/134323580/javajali.pdfIn PDF document text
- https://cdn.sqhk.co/jesovolavig/MSJngfs/whirlpool_cabrio_he_washer_manual.pdfIn PDF document text
- https://cdn.sqhk.co/batumozi/7jbkMja/81661070759.pdfIn PDF document text
- https://cdn.sqhk.co/wekababu/ezGY1Ls/offline_popular_song.pdfIn PDF document text
- https://zavuvomexuwu.weebly.com/uploads/1/3/2/7/132740545/busup.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/811c4dba-a5fd-43d1-b94b-c83f1582636c/navien_240a_customer_reviews.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/328ea648-56e3-43c5-b929-b6efae4ff418/6376451106.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/171e56df-e822-4eff-b9f9-5b648936114b/2_phase_simplex_method_example.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_off0000df88.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF88 | 5336 bytes |
SHA-256: 9c652286fbe5ab9cfba2447b8bef5cf23e357adbe61ddfd5fd75db2183a71f5e |
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font_01_sfnt_off0000f1b3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1B3 | 10316 bytes |
SHA-256: e796e608fc9aa88c25f0380677d383871f762bc7da870eb135aba37a6c43b86d |
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