MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was identified as malicious by multiple heuristics and a machine learning classifier, specifically flagging it as a redirector and a link farm. The document contains a large number of embedded URLs pointing to various disposable hosting services, suggesting an attempt to distribute malicious content or phish users. The presence of a link to `crophysi.ru` further indicates a malicious redirector infrastructure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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=how+to+restart+a+frozen+samsung+chromebook In PDF document text
- https://cdn.sqhk.co/filovixedalu/djejiYg/nintendo_switch_lite_tips_and_tricks.pdfIn PDF document text
- https://puzifisabu.weebly.com/uploads/1/3/1/3/131378936/xotomas.pdfIn PDF document text
- https://cdn.sqhk.co/xuvisisitinu/npajcjb/tovixibopiwubozabuxoxeger.pdfIn PDF document text
- https://cdn.sqhk.co/vilitemeru/ujgEq82/fury_road_nux_quotes.pdfIn PDF document text
- https://suvewuvasalu.weebly.com/uploads/1/3/4/7/134762181/denefoleje.pdfIn PDF document text
- https://cdn.sqhk.co/lexuxeza/8gfcQRE/numanabisazutowonex.pdfIn PDF document text
- https://cdn.sqhk.co/kozuvurop/4iaPFL3/bingo_maker_app.pdfIn PDF document text
- https://cdn.sqhk.co/potasuregoz/VijeMCK/70116918828.pdfIn PDF document text
- https://renezotutumiw.weebly.com/uploads/1/3/5/3/135343322/60449792.pdfIn PDF document text
- https://cdn.sqhk.co/mujowofapubi/dUfZgfP/quantitative_risk_analysis_in_project_management.pdfIn PDF document text
- https://varepanuror.weebly.com/uploads/1/3/5/3/135394497/vomegiwopotefaf.pdfIn PDF document text
- http://gagelepapu.22web.org/bibme_mla_citation_guide.pdfIn PDF document text
- https://cdn.sqhk.co/pigevikuwi/dC8Lm6T/build_a_bear_locations_in_tennessee.pdfIn PDF document text
- https://cdn.sqhk.co/gukugifixija/G1dvjdg/7795777211.pdfIn PDF document text
- http://nurigufasuvunu.iblogger.org/rovamaliduzitidu.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/wovigebi/64002578008.pdfIn PDF document text
- https://s3.amazonaws.com/remeranexe/los_libros_apocrifos_del_antiguo_testamento.pdfIn PDF document text
- http://pulawev.epizy.com/the_beggar_s_opera_score.pdfIn PDF document text
- https://s3.amazonaws.com/pexodugosa/63873968317.pdfIn PDF document text
- http://petenufafevut.rf.gd/zogodepovekugoreguriz.pdfIn PDF document text
- http://mewudupite.epizy.com/12182929178.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_off0000df11.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF11 | 5572 bytes |
SHA-256: ac0d52c4bfeaac3812815b039f661d767c0e8938f4216bfbf0ff3a239efb069d |
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font_01_sfnt_off0000f1f8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1F8 | 10192 bytes |
SHA-256: d2052abda877c1ada36d31bc3b83771c6d1d6a004fb0e3c05d2dcfcc1072064d |
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