MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'https://yafferge.ru/wix?keyword=valence+electrons+worksheet+answers+chemistry+if8766'. The document body, though heavily obfuscated, appears to reference the same topic as the URL, suggesting a phishing or scam attempt. The ML classifier and ClamAV also flagged this PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
Heuristics 4
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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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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://yafferge.ru/wix?keyword=valence+electrons+worksheet+answers+chemistry+if8766 In PDF document text
- https://static.s123-cdn-static.com/uploads/4418184/normal_5ff528e2668d1.pdfIn PDF document text
- https://cdn.sqhk.co/ragebobeb/Ssiehhp/rapozerapop.pdfIn PDF document text
- http://itsamorem.com/sprinkle_islands_full_game_download_mod_apk8skkm.pdfIn PDF document text
- https://cdn.sqhk.co/mutexeze/cigihij/houston_traffic_road_closures_map.pdfIn PDF document text
- https://cdn.sqhk.co/wobuwaseja/NdigjiQ/tai_legend_vs_zombie_hack_java.pdfIn PDF document text
- http://rivalo130.com/remington_700_adl_vs_bdl_vs_cdlf9euu.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4417662/normal_5fe57e7b1ef13.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4459922/normal_5ff02250a986f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4485943/normal_601b9fb67db95.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4481684/normal_600dd33a4f5ea.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4382405/normal_600a02b9f1122.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4368492/normal_5fc6bb4fb605a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4417818/normal_601b65f92a3b0.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4478687/normal_6003471bc3931.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4446773/normal_6008a70deb638.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/2fe8d728-b6ec-4988-a034-ecaa58c44fc2/88952259423.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9efba14c-30ea-40d2-8ff8-9f701b53fb9e/zogafatutomebifosazokokav.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6c865dc6-af37-41e9-bdaf-b928305660a3/what_do_the_monkeys_symbolize_in_interpreter_of_maladies.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1986164e-9188-4641-a2f3-2a38a5329c8a/66780326013.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d74a6e57-71a6-490d-b4f9-f4d5da7e443d/wildgame_innovations_terra_extreme_trail_camera__12mp.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ee0b38c0-c8ec-4245-8514-073687c70b96/pibilidokanexuniwageb.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/12ead80f-dbc3-41b6-92ca-2772e47371df/foxemikedugi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/655b5a11-2c92-4135-aa16-737b9f57ab44/rumipowasezokexapaxur.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/eadab11d-154c-4d7f-8bee-c97fa5a460cd/what_is_a_peoplesoft_id.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/63bd91a6-71fe-4c15-b3f0-b5b2b49ed5c6/how_to_fit_integrated_dishwasher_door_bosch.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_off0000f545.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF545 | 5772 bytes |
SHA-256: c2c5e1e6c63881df034c341c2fac5d753dd2f08d5841b7af444d7a8da0115783 |
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font_01_sfnt_off000108ea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108EA | 9976 bytes |
SHA-256: 57d2a4d67963b9a8391a4e1b1e5c3d1d4717bde2d4ef75179636fc8cd667a8b4 |
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