MALICIOUS
246
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. It uses brand-impersonation credential phishing. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 7
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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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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://vexofemefenulo.weebly.com/uploads/1/3/4/5/134594555/kusuko.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://fokemale.ru/wix?keyword=4.8+vs+5.3+mpg PDF link annotation
- https://cdn-cms.f-static.net/uploads/4494889/normal_603c643bdae7b.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4446259/normal_5fc6564d6c2ea.pdfIn PDF document text
- http://reduslimitalia.website/xatifimemapzj4.pdfIn PDF document text
- https://vexofemefenulo.weebly.com/uploads/1/3/4/5/134594555/kusuko.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4379030/normal_60114642d14e4.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4416495/normal_604d3b615c992.pdfIn PDF document text
- http://buylettersonline.com/norumipozipitumisepekuki0h57e.pdfIn PDF document text
- https://luvodufugatese.weebly.com/uploads/1/3/4/8/134893210/686b92cb271247.pdfIn PDF document text
- https://fajuvupo.weebly.com/uploads/1/3/5/3/135310445/9396698.pdfIn PDF document text
- http://lisolu.org/gupuvavuvoneraforijapp2v.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4469116/normal_603443dd2d1d0.pdfIn PDF document text
- https://gonufefimexej.weebly.com/uploads/1/3/4/8/134892828/4566664.pdfIn PDF document text
- https://lojedakefedo.weebly.com/uploads/1/3/4/7/134743006/9050561.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://0ea1ff7f-05b3-43a2-9744-178351a05ed1.filesusr.com/ugd/01f9b9_8f99751671734fb1ad2e75c7535e3f52.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/jukezeluf/affairscloud_current_affairs_2019.pdfIn PDF document text
- https://8546b567-499d-44cb-812b-f4cb210fa0cc.filesusr.com/ugd/1f0b74_ba6d14e2f1664887846b4f65e508be19.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/sowewazulejewi/how_to_turn_on_hp_pavilion_desktop.pdfIn PDF document text
- https://d848e4b6-662b-4424-a759-963270729452.filesusr.com/ugd/30e015_6ec05a8114bf4ba7a2bd391586df53a2.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/wobuzisibal/24003287045.pdfIn PDF document text
- https://s3.amazonaws.com/dojivewobasuval/bk_precision_891_lcr_meter_manual.pdfIn PDF document text
- https://s3.amazonaws.com/jijumupade/20951733054.pdfIn PDF document text
- https://81da36f4-dec6-4bf4-836b-19ed67500659.filesusr.com/ugd/5fd5c1_8e7f0975f2cf4038abb87b292483e2d7.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_off00010a78.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A78 | 5368 bytes |
SHA-256: d17b8d9ebe866a13b722556528eab744edb67aa913d606d7868af1aef33ec9b2 |
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font_01_sfnt_off00011ccc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CCC | 12044 bytes |
SHA-256: 5a1454376e8493c145ae1f05ccd0e8d41ed17cb00c97d63ab02945e2f904cfc6 |
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