MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
The PDF document impersonates Microsoft Outlook, a common tactic for credential phishing. It contains multiple links, including one that redirects through a known malicious domain ('dugedepap.ru') and another hosted on 'weebly.com' which is identified as a brand impersonation lure. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to trick users into providing credentials.
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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Brand-impersonation credential phishing lure critical SE_BRAND_CREDENTIAL_PHISHDocument impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: action link to abused redirector https://fububekamuko.weebly.com/uploads/1/3/3/9/133986391/8911180.pdf.
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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://dugedepap.ru/strik?utm_term=prepositional+phrase+questions+and+answers PDF link annotation
- http://erkutungotu.com/51008541207umz0y.pdfIn PDF document text
- https://fububekamuko.weebly.com/uploads/1/3/3/9/133986391/8911180.pdfIn PDF document text
- https://kupifima.weebly.com/uploads/1/3/0/7/130775493/zuresidu.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4450249/normal_60584dfb68246.pdfIn PDF document text
- https://samomalekadoj.weebly.com/uploads/1/3/1/4/131438786/7173686.pdfIn PDF document text
- http://neojust.ru/what_is_the_navy_seal_emblemr9fq7.pdfIn PDF document text
- http://bilkaita.space/93172909988ma45v.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4404755/normal_5fcb97dd56639.pdfIn PDF document text
- http://idealica-italiaufficiale.site/happily_ever_after_kiera_cass_synopsisydw23.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4417123/normal_601a1c03c03dc.pdfIn PDF document text
- https://laximazerafa.weebly.com/uploads/1/3/4/2/134235816/xusomurabek-ragixivorumokiv-metojidi.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4375703/normal_603ea9f375a62.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4379363/normal_604e302357243.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4408348/normal_5fe9555933047.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4489422/normal_5fdefb75d1645.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4457005/normal_6061af7123634.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4425723/normal_606483c134124.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/jolozidabi/chitralahari_movie_songs_free_320kbps.pdfIn PDF document text
- https://84d655c4-d84a-4a0c-9c32-0387925bd622.filesusr.com/ugd/6233da_b915bce77c2e4eb3a42a0a732914a057.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/fenatagazise/18909541774.pdfIn PDF document text
- https://s3.amazonaws.com/gekojulog/30737095204.pdfIn PDF document text
- https://507d1b22-ea03-4061-a262-f79425337ca2.filesusr.com/ugd/a374b9_d920e87c2a9b4c79acc48151a798c742.pdf?index=trueIn PDF document text
- https://737bf953-b780-43bc-8af0-312ed5328a40.filesusr.com/ugd/017c44_cf98193c37224386a8a3038365fd4c8d.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_off0000e655.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE655 | 5264 bytes |
SHA-256: c2ee750c86ac477bf712ca8e8c60c733246c8600b0c49cf07dbac8c20be30b08 |
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font_01_sfnt_off0000f83b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF83B | 10832 bytes |
SHA-256: d499f66d990c0f8108575d13609fd10bb5ff4f239b500798569287a100c04bef |
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