MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://leonvi.ru/123?utm_term=ap+edcet+2019+hall+ticket++date PDF link annotation
- https://rujizubag.weebly.com/uploads/1/3/0/7/130776042/5035010.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4413125/normal_605fbe3d1d23a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4378390/normal_6044decf3bf33.pdfIn PDF document text
- https://komibaxes.weebly.com/uploads/1/3/1/6/131606619/6550632.pdfIn PDF document text
- https://paboripiniw.weebly.com/uploads/1/3/0/7/130739049/3674544.pdfIn PDF document text
- https://degijidugaf.weebly.com/uploads/1/3/4/8/134886203/9717159.pdfIn PDF document text
- http://liteponezugom.22web.org/fikakopuwisinukazunogaji.pdfIn PDF document text
- https://walowopus.weebly.com/uploads/1/3/5/2/135295279/6422214e8395e7.pdfIn PDF document text
- https://valejuti.weebly.com/uploads/1/3/0/7/130739952/3fe829a35ab37bb.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4421787/normal_602ac00bec4ca.pdfIn PDF document text
- http://foxinawolukomat.iblogger.org/58650809699.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4414687/normal_5fecbbc323781.pdfIn PDF document text
- https://belanuxaru.weebly.com/uploads/1/3/4/6/134670531/zarubatanuf-nepezupofew-belodibej-nukuxo.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368249/normal_6035375b2d0ef.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/welanisowari/who_condemned_jesus_of_nazareth_to_death.pdfIn PDF document text
- http://jamurujitexezi.epizy.com/pikisanidikig.pdfIn PDF document text
- https://s3.amazonaws.com/migivewuwe/38383792817.pdfIn PDF document text
- http://vugurajuv.epizy.com/95325035877.pdfIn PDF document text
- http://rosukijabadizi.epizy.com/fleur_de_lis_piano_sheet_music.pdfIn PDF document text
- http://sidimusi.rf.gd/epiphyseal_growth_plate_fractures.pdfIn PDF document text
- http://mipaziti.rf.gd/descriptive_qualitative_research_journal.pdfIn PDF document text
- https://s3.amazonaws.com/jonora/la_metamorfosis_los_personajes_principales.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_off0000e69a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE69A | 5420 bytes |
SHA-256: 79cdedd67c4c0fb2a6c4a4094902211aba6d3dd019ff2e456a8478d57be7d2f9 |
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font_01_sfnt_off0000f911.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF911 | 11412 bytes |
SHA-256: a39760cbcf4ab9d3eac14bb62ad81702f95b8a77f5f351d733eed93d2a63af7e |
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