MALICIOUS
162
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a critical heuristic firing indicating it links to known malicious redirector infrastructure. The ML classifier also strongly flagged this PDF as malicious. While the document body is heavily obfuscated and unreadable, the presence of a malicious URL and the ClamAV detection suggest a phishing or malware distribution attempt. No scripts were extracted, but the malicious URL is the primary indicator of compromise.
Machine Learning
- Nyx PDF Classifier malicious score 0.9989
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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=chinese+learning+books+for+beginners+pdf In PDF document text
- https://static.s123-cdn-static.com/uploads/4478927/normal_5ff5bb321556e.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4474977/normal_5ff3f67eaeb9f.pdfIn PDF document text
- http://bibopasaxuvibu.mypressonline.com/35043215802.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4477400/normal_601eded025043.pdfIn PDF document text
- http://jopagozopive.medianewsonline.com/1183009465.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4427300/normal_60244caf24917.pdfIn PDF document text
- http://jaralet.getenjoyment.net/jezup.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/d3646c36-3dc4-4a9b-8ee4-a5c43899cc48/how_to_improve_strategic_human_resource_management.pdfIn PDF document text
- https://s3.amazonaws.com/mozirolinitaje/faviwudamafe.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c25bbaa5-4cfb-4d57-9f5d-f75cb9450c79/myers_briggs_types_rare.pdfIn PDF document text
- https://s3.amazonaws.com/rexogeguxosix/86497971132.pdfIn PDF document text
- https://s3.amazonaws.com/tesotiwapax/50599612240.pdfIn PDF document text
- http://xepuzakudera.atwebpages.com/46507218707.pdfIn PDF document text
- https://s3.amazonaws.com/bepukuba/1307217457.pdfIn PDF document text
- http://retiziwo.myartsonline.com/petuwujejumafevibonetosi.pdfIn PDF document text
- https://s3.amazonaws.com/wolawatin/70391730488.pdfIn PDF document text
- http://lusajafimaneru.myartsonline.com/unit_6_geometric_proof_answers.pdfIn PDF document text
- https://s3.amazonaws.com/faluzotixupi/aec_full_form_in_computer.pdfIn PDF document text
- https://s3.amazonaws.com/zerejibixupav/buxipoko.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/fdcb709e-af1d-49fa-bc35-cad29bbc3824/what_is_the_full_form_of_desktop.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/77bb73a1-f9bd-4b7b-99c8-118429044b77/18379203784.pdfIn PDF document text
- https://s3.amazonaws.com/donarepemi/bissell_little_green_spot_cleaner_solution.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1bb91cf0-a8b5-4870-8a23-62dd5f89aeeb/bosch_500_series_washer_and_dryer_stacking_kit.pdfIn PDF document text
- https://s3.amazonaws.com/potamotaz/44884037614.pdfIn PDF document text
- https://s3.amazonaws.com/turip/makoferiwanalanezi.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000104e2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104E2 | 8368 bytes |
SHA-256: 645c693405da8b81f7280b83490f7bdb8dd887759fff9b8f0e48dcbef324c8c6 |
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font_01_sfnt_off0001213d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1213D | 5412 bytes |
SHA-256: c240774c03fbe1329f430657a4a60bd6bb22f1802b96013e9a6fc491efe4dd5b |
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font_02_sfnt_off00013392.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13392 | 10804 bytes |
SHA-256: e583877e67c2faad3c620a14610fd290745870dfc4a72020aaea57290c5956ec |
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