MALICIOUS
214
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous embedded links, with a critical heuristic firing indicating it links to known malicious redirector infrastructure. The document body, though heavily obfuscated, appears to be a lure related to 'standard bearing size chart pdf'. The presence of many external PDF links suggests a link farm or a method to distribute further malicious content. The ClamAV detection and ML classifier further support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
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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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://dafemum.ru/award?keyword=standard+bearing+size+chart+pdf In PDF document text
- https://vuwisirikufav.weebly.com/uploads/1/3/4/7/134765545/3446be9.pdfIn PDF document text
- https://kaxitojuwomig.weebly.com/uploads/1/3/5/3/135302818/3591252.pdfIn PDF document text
- https://revunisukigi.weebly.com/uploads/1/3/4/8/134849871/renufuzinapi_falisujekutoved.pdfIn PDF document text
- https://pesosetolumejaw.weebly.com/uploads/1/3/6/0/136094132/9e3938a8d.pdfIn PDF document text
- https://julalawigito.weebly.com/uploads/1/3/4/8/134869680/15103.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://1923692e-f727-4f58-80a8-3583160180e3.filesusr.com/ugd/c4ccc4_a02db6bf0b764e508195fbadbf076c65.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/e6d417e5-862a-4407-ae14-b988c3522593/neloxedutosixosarafowupot.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3644b314-d679-4c74-ae6e-01c2836dde79/buy_penny_stocks_on_robinhood.pdfIn PDF document text
- http://luwefotikejumu.rf.gd/texas_house_lease_agreement_template.pdfIn PDF document text
- https://fe2b84af-b373-48e0-a714-f820169e3fe9.filesusr.com/ugd/ed1d2e_c88e73c51b4f4260abaa4f15cb8c08b1.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/geradi/what_five_books_are_in_the_torah.pdfIn PDF document text
- http://lixutepojux.rf.gd/finenabarefer.pdfIn PDF document text
- https://s3.amazonaws.com/kagedatabujo/dumazipiruvinurejajibugul.pdfIn PDF document text
- https://s3.amazonaws.com/sabobenuwe/xekuvakomopilunizogu.pdfIn PDF document text
- https://42f4b946-f871-4f2a-a73e-6571c6569919.filesusr.com/ugd/e20521_673cf85a1b244a56acb28a386ce46edf.pdf?index=trueIn PDF document text
- http://ripajadiw.rf.gd/9028986398.pdfIn PDF document text
- https://s3.amazonaws.com/ruzaganog/ratebokusovububezeje.pdfIn PDF document text
- https://s3.amazonaws.com/tuxenipup/boiler_efficiency_calculation_example.pdfIn PDF document text
- https://77bc4ea4-de20-41c0-a463-a5315db628d9.filesusr.com/ugd/2c69e3_45fc06f93dd94c3f94dc3d8079181e63.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/genedesowul/raxogijoxunotogo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8638caed-d9af-4caf-8ad2-9d9e48ed54a1/47335289361.pdfIn PDF document text
- https://s3.amazonaws.com/liwafo/acrobat_dc_full_version.pdfIn PDF document text
- http://lagadasisipas.rf.gd/benas.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_off0000f603.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF603 | 5676 bytes |
SHA-256: 002376cbfdcacf1230c990ae6176e2b13ad918df31a06af44878f77309633813 |
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font_01_sfnt_off00010955.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10955 | 10844 bytes |
SHA-256: 8ec9014324050591f66265355cfd88301563e42e98ba66184f2633c6e0dcbfae |
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