MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains numerous external URIs, including a link farm on disposable hosting, suggesting an attempt to redirect users to malicious sites. While no scripts were explicitly extracted, the PDF structure and heuristic firings point towards a phishing or malware distribution vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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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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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External URI info PDF_URIPDF contains an external URL action
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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://soxebez.ru/123?utm_term=calcium+acetate+react+with+calcium+formate PDF link annotation
- http://idealslimitaly-official.site/constitucion_de_venezuela_1811_resumenikcyf.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4417045/normal_60604583748e4.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4382430/normal_6013e75797c3b.pdfIn PDF document text
- https://cdn.sqhk.co/resesexiraf/qpQW4gg/pirodup.pdfIn PDF document text
- https://cdn.sqhk.co/tifapoxur/bhejjb0/cooling_curve_graph_worksheet.pdfIn PDF document text
- http://bristol-yalta.run/1170035242812ook.pdfIn PDF document text
- https://cdn.sqhk.co/letarezetap/CKsihKb/40504930244.pdfIn PDF document text
- http://wordsidepost.top/fenosebowegeg76do3.pdfIn PDF document text
- http://about-central.com/titration_curves_pogil_answers11325.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4859821/normal_6032d37ec3a21.pdfIn PDF document text
- http://storeplus.pro/clasificacion_de_los_numeros_reales_conceptos_y_ejemplosys6w2.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/0bbbaa2c-f78d-4542-b571-85086a79638a/how_to_use_kenmore_top_load_washer.pdfIn PDF document text
- https://17851959-1482-4b49-8222-7b7b0c628459.filesusr.com/ugd/3cb679_e0b836f7b0cc4dbe9b3e59bdf301e0d6.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/800baa8c-0e42-4689-9e2a-9cf8efa94efc/99835466483.pdfIn PDF document text
- https://02664c88-84e5-42fa-aae3-682d3a0d4328.filesusr.com/ugd/39d081_c97dba9c250448d4b0c126ed7129fabc.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/d2b820ae-8b3b-4718-bbf7-3c9d105deee9/evinrude_e-tec_115_service_manual.pdfIn PDF document text
- https://s3.amazonaws.com/kesumasaka/weber_grill_restaurant_indianapolis_menu.pdfIn PDF document text
- https://s3.amazonaws.com/kulinisokakewi/reducing_fractions_to_lowest_terms_worksheet_with_answers.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/75dab909-614c-4cde-a4b2-d5617ff2b4de/how_to_reset_a_kindle_4.pdfIn PDF document text
- https://41c240d9-b4af-4f88-8fa4-2a41cce3a287.filesusr.com/ugd/01bc73_6e7176770f064426af480b3ada62cb23.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/goveruduzewoxu/78607610082.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6374ba39-8220-4522-9fba-a9052571630f/81887268382.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00018086.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18086 | 4940 bytes |
SHA-256: a2bf009fe34343d0030d6e325b27648dd627bd7d06c395f69f8d638fa4087787 |
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font_01_sfnt_off00019134.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x19134 | 13176 bytes |
SHA-256: 993965ebffd88b2fbe6ebf95fa848f1747b5908395ff5ab41e4844b591f753e5 |
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font_02_sfnt_off0001bcc3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1BCC3 | 16192 bytes |
SHA-256: aefff05daf7bd9f561bd65ece62aed6f38138eb4b3498c294da7a6c5233f8f9d |
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