MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
This PDF document employs social engineering tactics, presenting itself as either an invoice or a required browser update to trick users into clicking embedded links. The document contains a large number of external links, many hosted on disposable domains, forming a link farm. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to lead users to phishing sites or download further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
Heuristics 8
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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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Browser extension / update installation lure high SE_BROWSER_INSTALL_LUREDocument tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
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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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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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://druttle.ru/strik?utm_term=haier+portable+air+conditioner+drain+hose+size PDF link annotation
- https://cdn.sqhk.co/gorubabor/as3cmB5/89247770109.pdfIn PDF document text
- https://givodevivunafa.weebly.com/uploads/1/3/1/8/131871579/goniguga_jewadotofofulox_givuzanalizi_betuzoguvip.pdfIn PDF document text
- https://siwusoxol.weebly.com/uploads/1/3/4/5/134584737/degemus-petukazunorug.pdfIn PDF document text
- http://twoup-viktoria.online/minecraft_bedwars_map_download_1._16._12vrru.pdfIn PDF document text
- https://cdn.sqhk.co/gubuvojubu/574hcln/78224797592.pdfIn PDF document text
- https://tebuzemuba.weebly.com/uploads/1/3/4/0/134042716/xafegilipirasa_xebunewagaxe_zutevatit_pixovozezix.pdfIn PDF document text
- http://fafijitesulexiz.mygamesonline.org/gate_2020_chemistry_syllabus.pdfIn PDF document text
- https://kuzogirig.weebly.com/uploads/1/3/4/7/134748708/22658f6929.pdfIn PDF document text
- https://jozudepixivi.weebly.com/uploads/1/3/4/6/134682498/lenored.pdfIn PDF document text
- https://pekubitox.weebly.com/uploads/1/3/4/4/134477952/9f440cc7fc9cf.pdfIn PDF document text
- https://zetozegazironik.weebly.com/uploads/1/3/2/6/132696155/punopilona.pdfIn PDF document text
- https://webenewosa.weebly.com/uploads/1/3/1/4/131409170/f25154373db6a.pdfIn PDF document text
- https://cdn.sqhk.co/kalijada/dpjhQgj/63718293889.pdfIn PDF document text
- https://cdn.sqhk.co/wasefago/pBfhdzf/math_magic_tricks_bangla.pdfIn PDF document text
- https://monogelifanalo.weebly.com/uploads/1/3/5/3/135387447/xasudokutib.pdfIn PDF document text
- https://bevabuje.weebly.com/uploads/1/3/4/8/134897483/figuki.pdfIn PDF document text
- https://nujalujuxak.weebly.com/uploads/1/3/5/3/135347358/637230ac1cdf.pdfIn PDF document text
- https://rujemezemomiwo.weebly.com/uploads/1/3/0/9/130969750/xegifinikeb_moginolov.pdfIn PDF document text
- http://hookup157.site/remix_os_player_download_official_site075q2.pdfIn PDF document text
- https://tenewokuge.weebly.com/uploads/1/3/1/3/131379402/5343223.pdfIn PDF document text
- https://cdn.sqhk.co/jivonaxadu/oNhjid4/grand_furniture_telephone_number.pdfIn PDF document text
- https://loxoxonejuk.weebly.com/uploads/1/3/4/6/134684666/wetujofadivis.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.opentle.orgIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- http://dipagepe.atwebpages.com/52530374358.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
- http://www.gnu.org/licenses/gpl.htmlIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001086d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1086D | 5100 bytes |
SHA-256: 2fc0ce5f8760154ce66703e5d4bdc6867992fec44318dba563ea9e4840d7870a |
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font_01_sfnt_off0001199c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1199C | 6148 bytes |
SHA-256: 4910d0177da9f60ecc92c13a34fae8c5c38ffafb9e4e22a3c3fd987548b79157 |
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font_02_sfnt_off0001297d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1297D | 11100 bytes |
SHA-256: 3264cb54e76140a2051ce2beab0cb4746a70b764b53048d785a0779b7bf6aa82 |
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font_03_sfnt_off00014f6b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14F6B | 4324 bytes |
SHA-256: 0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
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