MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of embedded links, many of which point to disposable hosting or known malicious redirectors. The primary malicious URL identified is https://dafemum.ru/strik?utm_term=is+big+little+lies+free+on+amazon+prime, which is flagged as a malicious redirector. This suggests the document is designed to lead users to potentially harmful content through a link farm, likely as part of a phishing or scam campaign.
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://dafemum.ru/strik?utm_term=is+big+little+lies+free+on+amazon+prime In PDF document text
- https://fekanefitogi.weebly.com/uploads/1/3/4/3/134340372/gigofipulogesudan.pdfIn PDF document text
- http://nowofuguvinidaw.iblogger.org/dslr_camera_blur_effects_premium_apk.pdfIn PDF document text
- https://vumuzuvi.weebly.com/uploads/1/3/4/5/134506571/vazuxugejetasodesa.pdfIn PDF document text
- http://degitowexara.iblogger.org/akashic_records_meditation.pdfIn PDF document text
- http://sedijonowet.iblogger.org/99221506455.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://551f0ad2-75d1-4009-b90b-2f3e3e20230b.filesusr.com/ugd/c2bf0a_2f147fd205634b10bd8df14ecdcd97e5.pdf?index=trueIn PDF document text
- http://wijexir.epizy.com/treatment_of_attrition_of_teeth.pdfIn PDF document text
- https://s3.amazonaws.com/kubedukowug/95677528383.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ad2086ef-915a-4a29-8253-bf1b4a757ba1/dobikefo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5d9c6916-2f1c-450a-afe0-8c4ef5b86a7d/android_programming_the_big_nerd_ranch_guide_source_code.pdfIn PDF document text
- http://sikejilewiz.epizy.com/26395404849.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/130adcd1-4079-48ee-b65c-1c9bfca2d2cd/tafawuwaded.pdfIn PDF document text
- https://80f75f89-a1e3-4611-a0ef-7a704eb82da9.filesusr.com/ugd/0286dd_0dd9dee3a63c4c669ff82d3824dc08ff.pdf?index=trueIn PDF document text
- https://13ea8442-998f-4f14-ba3b-7f37e53a414c.filesusr.com/ugd/008a9f_763baae4ae1740b89f360bffe9ee76d6.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/dutimajizowa/inkheart_cornelia_funke_book_review.pdfIn PDF document text
- https://4eff3ec4-d147-45d1-be73-876d9e1d0019.filesusr.com/ugd/efb3f0_fc04a7691bfa4bd2848ce504f2c63bbe.pdf?index=trueIn PDF document text
- https://cf176ec6-4820-456b-adf9-61e5f06c968f.filesusr.com/ugd/43d598_d9e6da75c7124cb990412a3dd711a370.pdf?index=trueIn 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_off0000eec5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEC5 | 5348 bytes |
SHA-256: a1bb2fb04d4789dad3152a8c8aceabf43542f20487dac1e86993e61a56aa8edf |
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font_01_sfnt_off000100e7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100E7 | 10992 bytes |
SHA-256: b2ad2062f08a30ac36cc9f09c11ac9ebac118204762abb07064e8a423ba30857 |
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