MALICIOUS
214
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains a large number of embedded URLs, with a critical heuristic firing for a PDF link farm. One of the primary URLs, 'https://crophysi.ru/wix?keyword=semester+course+9.4+renting+an+apartment', is flagged as a malicious redirector. The ML classifier and ClamAV also strongly indicate maliciousness, classifying it as a phishing trojan. No scripts were extracted, but the structure suggests an attempt to direct users to malicious or spam-related content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
Heuristics 5
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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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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/wix?keyword=semester+course+9.4+renting+an+apartment In PDF document text
- https://kawawipebezuvo.weebly.com/uploads/1/3/1/4/131409621/6546856.pdfIn PDF document text
- https://cdn.sqhk.co/gobajejuz/7ggOojb/whatsapp_video_status_song_new.pdfIn PDF document text
- https://cdn.sqhk.co/dipasupor/iFifogc/bitcoin_bottom_not_in.pdfIn PDF document text
- https://tilivugex.weebly.com/uploads/1/3/4/1/134108965/jojilezo-bidijir-tamezugejifibuk-wokiv.pdfIn PDF document text
- https://cdn.sqhk.co/feguzuvubut/hZkWgc3/the_crusades_through_arab_eyes_sparknotes.pdfIn PDF document text
- https://cdn.sqhk.co/fovomesit/jhCouge/vumarogatedumodevirop.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- http://mejadub.epizy.com/20172497239.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a00fccd9-4e85-40cc-9ced-a6c3e74169ea/pizutemibenesomoki.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/af60c072-ee38-40ed-baf3-1fb41537490f/what_is_a_neo_gothic_church.pdfIn PDF document text
- http://safodur.epizy.com/cameroon_music_free.pdfIn PDF document text
- https://s3.amazonaws.com/seriposuj/neato_botvac_d5_connected_replacement_battery.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1182b63d-0d03-493e-9269-1ef936216f87/phonological_awareness_games.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0577c7da-90f6-4ba1-848e-c8a7baab9265/massey_ferguson_parts_online_canada.pdfIn PDF document text
- https://s3.amazonaws.com/rurovikejigibu/administrative_law_full_notes.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7e9d1063-3777-40e2-8b6a-d1ec01bf0ba9/60843393622.pdfIn PDF document text
- https://s3.amazonaws.com/vuxirefare/fokubeser.pdfIn PDF document text
- https://s3.amazonaws.com/wufujudisu/53613064850.pdfIn PDF document text
- https://s3.amazonaws.com/xulepiwa/kutatamixene.pdfIn PDF document text
- https://s3.amazonaws.com/tafogusegabomu/australian_guidelines_for_diabetes_diagnosis.pdfIn PDF document text
- https://s3.amazonaws.com/sukedil/nagosaranijadeb.pdfIn PDF document text
- https://s3.amazonaws.com/feliso/handwriting_without_tears_letter_formation.pdfIn PDF document text
- https://s3.amazonaws.com/bezutu/fozubiwusule.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_off00010d7c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D7C | 5480 bytes |
SHA-256: 360718f1892641784c77e3a3fc899fe19e3f916a6f2852d5696a2d993e911b9d |
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font_01_sfnt_off0001200c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1200C | 10844 bytes |
SHA-256: 9784e2728ea4cf79eb0ff053015f59f53743b4a3eba56e6556e97cd6382f0fab |
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font_02_sfnt_off00014516.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14516 | 4324 bytes |
SHA-256: ce7e2e230a41ba6fc2d7d2240890c8289d67876d84a3d076d67c0b48111c8230 |
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