MALICIOUS
214
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a critical heuristic firing for a malicious redirector link, directing users to 'https://yafferge.ru/wix?keyword=prentice+hall+writing+and+grammar+answer+key+grade+7'. Additionally, it exhibits characteristics of a PDF link farm, with numerous external links, including 'http://rodobokojezaga.epizy.com/la_times_sunday_puzzle_answers.pdf'. The ML classifier and ClamAV also flagged this PDF as malicious, indicating a phishing or trojanized document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://yafferge.ru/wix?keyword=prentice+hall+writing+and+grammar+answer+key+grade+7 In PDF document text
- https://wizugelavuri.weebly.com/uploads/1/3/5/3/135325487/1747956.pdfIn PDF document text
- http://tubujagowip.iblogger.org/pentateuco_pablo_hoff_descargar.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4379049/normal_5ffade8fd256d.pdfIn PDF document text
- https://liboresoxuno.weebly.com/uploads/1/3/1/6/131636570/ab33e2abbcaab3.pdfIn PDF document text
- https://fugomunufu.weebly.com/uploads/1/3/4/5/134586131/jinalej.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://rodobokojezaga.epizy.com/la_times_sunday_puzzle_answers.pdfIn PDF document text
- https://s3.amazonaws.com/gulapore/89852426288.pdfIn PDF document text
- https://s3.amazonaws.com/kosamupim/cacee_form_tips.pdfIn PDF document text
- https://s3.amazonaws.com/zamuriza/tukipefasapazebedinuta.pdfIn PDF document text
- https://s3.amazonaws.com/xulikamul/68070008938.pdfIn PDF document text
- https://s3.amazonaws.com/luxelula/votemovuweno.pdfIn PDF document text
- https://s3.amazonaws.com/miwolezedubujoz/continuous_random_variable_example_questions_and_answers.pdfIn PDF document text
- https://s3.amazonaws.com/toniseligiwuzux/57519130771.pdfIn PDF document text
- https://s3.amazonaws.com/davolazupivowi/descriptive_adjectives_exercises_worksheets.pdfIn PDF document text
- https://s3.amazonaws.com/tugumeb/appellancy_without_jailbreak.pdfIn PDF document text
- https://s3.amazonaws.com/midaguvimabof/zevajodekadifesavafudul.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_off00010390.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10390 | 4788 bytes |
SHA-256: 7747374260654156b2d7960c698f6b6bf6e8c26e4530cab16f22b539ea264b1e |
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font_01_sfnt_off0001145b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1145B | 5692 bytes |
SHA-256: 7f70a23a4878bb4f82b49fe758b72255a49be841222491bca0d0febd8716edd0 |
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font_02_sfnt_off000127b4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x127B4 | 11080 bytes |
SHA-256: a0fe0f752ac0ab3de38228360cb55ab1bd00fc48777867a6db1bafb49a50bb57 |
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