MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous external links, many hosted on disposable domains, suggesting a link farm designed to redirect users to malicious sites. The 'SE_INVOICE_LURE' heuristic indicates a common phishing pretext. While no scripts were explicitly extracted, the PDF structure and link farm behavior are indicative of a phishing or malware distribution campaign, likely initiated via spearphishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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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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://kuzutuzo.ru/award?keyword=bpel+tutorial+for+beginners+pdf PDF link annotation
- https://cdn-cms.f-static.net/uploads/4445726/normal_6060457547f1d.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4454973/normal_5fefeefe4da69.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4377102/normal_60478b60e5ea2.pdfIn PDF document text
- https://tujozidu.weebly.com/uploads/1/3/4/6/134694944/bafarolatu_zutiru_moxazozazu_ganominesi.pdfIn PDF document text
- http://bisibometixo.mywebcommunity.org/53800383733.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4416301/normal_5ffe82718fdc7.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4483071/normal_602fd2da0cb32.pdfIn PDF document text
- https://libidipoxojab.weebly.com/uploads/1/3/5/9/135981854/denofewevudavaregivo.pdfIn PDF document text
- https://piramejujidizek.weebly.com/uploads/1/3/4/6/134694247/503795.pdfIn PDF document text
- https://jufasoxoko.weebly.com/uploads/1/3/5/3/135315704/3a684.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://jowokepo.atwebpages.com/jogefolisek.pdfIn PDF document text
- https://cd70d4e5-4a1a-4071-96d1-f2415ea5ece1.filesusr.com/ugd/7f46b5_39e51ca929764411bc9c1bcb1fd3baf5.pdf?index=trueIn PDF document text
- https://2a983b51-2e13-4971-8c1f-a5bca3ab4353.filesusr.com/ugd/e1a791_f2d7c02bb11444d29163df95f7b807b2.pdf?index=trueIn PDF document text
- https://02664c88-84e5-42fa-aae3-682d3a0d4328.filesusr.com/ugd/39d081_6278cecb950c4a3c97d1308536640c4f.pdf?index=trueIn PDF document text
- https://7be8961d-effb-4c78-a255-78c3c9f0be09.filesusr.com/ugd/3dd68e_4c6be04f5ec940c4b585321e32775d5f.pdf?index=trueIn PDF document text
- https://9005981c-20a7-4b93-9dfe-a591c0bc6fcf.filesusr.com/ugd/afbba5_d25801a11b6447edb4c8e0df27d72962.pdf?index=trueIn PDF document text
- https://ed21222e-fee3-4fab-8b52-e2ddb7bb35ab.filesusr.com/ugd/e73fea_610e89bcded14fe88f61cad3a9c4c8ee.pdf?index=trueIn PDF document text
- https://b913155d-2712-4fd4-bcc6-651970a8c456.filesusr.com/ugd/e39924_39f96cf5bfe44d46af5eb729c104b8c2.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_off00011ba9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BA9 | 5396 bytes |
SHA-256: 2801e2cbbfc874d513c70cffb099cd4c4f4de4f3a381c18987b03c5f90c25044 |
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font_01_sfnt_off00012e0e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E0E | 10536 bytes |
SHA-256: 8053332380a3092855ecac68e4e11852bf96aa84273af5081fcdd6f0491baec3 |
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