MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains a large number of embedded URLs, many of which point to potentially malicious redirector infrastructure or are part of a link farm designed to manipulate search engine results. The primary malicious URL identified is https://crophysi.ru/award?keyword=cancionero+de+la+rondalla+de+saltillo+letra+y+acordes+pdf.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 6
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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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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/award?keyword=cancionero+de+la+rondalla+de+saltillo+letra+y+acordes+pdf In PDF document text
- http://zijafanovidiz.sportsontheweb.net/beers_list_medications_2020.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4382784/normal_5fe4175d1415b.pdfIn PDF document text
- http://xipevufizokev.iblogger.org/dimijasafexani.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4415768/normal_6035d0768b697.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4460677/normal_5fe2b05b62c92.pdfIn PDF document text
- http://silujokiz.mypressonline.com/74218748426.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/6057c7e3-8c1d-49c6-bb86-88a13ce09c73/hp_ultraslim_docking_station_audio_not_working.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8ab00079-df75-447e-9d75-703d52806307/78409629492.pdfIn PDF document text
- https://f1ddcea9-c323-452c-a4d3-aaefec61e50a.filesusr.com/ugd/defd8a_0b8850578c684773b8843374c03ac77e.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/583062fd-5284-4867-8201-05ce92a15fae/6657489369.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9c9023ac-0618-4640-8f4b-a678284e5601/27947518608.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/240afb41-01ad-4bcf-b32f-b26ee21d3201/perrys_chemical_engineering_handbook_5th_edition.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2edadf2c-6764-48fd-bed6-9316ea232678/sherlock_holmes_movie_download_in_hindi_480p_bolly4u.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6cfa8f6d-e55c-463c-a63a-37d623f7691e/57974499628.pdfIn PDF document text
- http://xixakoju.rf.gd/fezajudediwoderalabuparat.pdfIn PDF document text
- https://153f2bed-3501-4ec5-9468-ed1987511f6d.filesusr.com/ugd/f67134_207587102faa42cdab55178c329301e9.pdf?index=trueIn PDF document text
- https://e0ff2378-281a-4ea3-95ae-419c526fdc99.filesusr.com/ugd/0baf77_93a9883eb8de4946b34a93e9d8bc2656.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/6dfbad18-3cae-4725-8c46-74001c61a8d4/ameritron_al-80b_instruction_manual.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_off0000e0b3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0B3 | 5156 bytes |
SHA-256: e46fe21fc8992420d4a4dd0b1ae45605db3ab616fd563136a4018082d170f3ac |
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font_01_sfnt_off0000f254.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF254 | 11936 bytes |
SHA-256: 9608e702607f9ca2613fc7fb7c7116c38bf0b77205e9f300ca764219cf89279d |
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