MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains a large number of external links, many hosted on disposable domains, suggesting a link farm or phishing campaign. The document body, though partially corrupted, contains keywords related to 'contaminacion del aire' and 'pdf', likely a lure to encourage clicks on the embedded malicious URLs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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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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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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://jumiwimov.ru/award?keyword=conclusiones+de+la+contaminacion+del+aire+pdf PDF link annotation
- https://cdn.sqhk.co/gejixoneku/hdgzia5/fruit_slice_master_diamond_hack.pdfIn PDF document text
- https://vefutafefu.weebly.com/uploads/1/3/4/8/134882527/1935930.pdfIn PDF document text
- http://mushygushysayings.com/verizon_wireless_my_business_support66m3t.pdfIn PDF document text
- https://tiwofimobodes.weebly.com/uploads/1/3/4/0/134040820/1f806b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4374979/normal_5fd253b1d0c8b.pdfIn PDF document text
- https://cdn.sqhk.co/bafujifi/hjUjejj/cursed_treasure_2_walkthrough_level_9.pdfIn PDF document text
- http://itagreen.fun/dog_vomiting_white_foam_and_shakingk7eh5.pdfIn PDF document text
- https://vinosubolab.weebly.com/uploads/1/3/5/3/135316207/7098606.pdfIn PDF document text
- https://cdn.sqhk.co/budotedo/fOIIIhi/46277820589.pdfIn PDF document text
- http://pubgmobiie.com/angularjs_directive_attribute_without_templatexoe6h.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4417523/normal_601e8658e0dd6.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4365607/normal_601e5bca1f1ab.pdfIn PDF document text
- https://xotonibesil.weebly.com/uploads/1/3/1/4/131407892/8759848.pdfIn PDF document text
- https://cdn.sqhk.co/zirigajer/yiet5Ij/credit_card_scanner_for_iphone.pdfIn PDF document text
- https://wobofosowipifir.weebly.com/uploads/1/3/0/7/130776138/6051611.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://4ad55601-b8ab-4ae0-bc0e-e90069072326.filesusr.com/ugd/3aca14_b2e731ed371d4ddd939892d108df562a.pdf?index=trueIn PDF document text
- https://a2c67b61-a01d-4053-b7ad-f1487bca8054.filesusr.com/ugd/24853a_c723a34f907849bb8b23578957caac90.pdf?index=trueIn PDF document text
- https://7b4e975e-109f-4397-a679-93e438ff1453.filesusr.com/ugd/c33f71_0c100baf36cb4ec69a5b84b2645d4c77.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/takebemanijewok/42895997560.pdfIn PDF document text
- https://041aa876-b65b-432c-96c0-58c8b295a4e4.filesusr.com/ugd/90d19e_8d37fd98d5b74fae92380cd0fe08b8fc.pdf?index=trueIn PDF document text
- https://3064a0a7-8496-4b95-be1e-56094aee372f.filesusr.com/ugd/0cf4b9_32fe3086e8064ec699b0553c7bf5cb12.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/nunakixuma/didifusedu.pdfIn PDF document text
- https://s3.amazonaws.com/wanasuvedigo/koxewatafajokifiwepem.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_off0000ec0f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC0F | 5208 bytes |
SHA-256: b9cc535a587b86eb3dd88465ddc472383727ac318c8fbfef76d113254214c5b8 |
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font_01_sfnt_off0000fdab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDAB | 10844 bytes |
SHA-256: 08ae08f74286e9d3d0c3cd28d01224a38087a9199c9b4989256539f21cda85ee |
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