MALICIOUS
284
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
This PDF file is identified as malicious by multiple heuristics and a machine learning classifier, indicating it's likely a phishing or malware delivery attempt. It contains a large number of embedded links, many pointing to disposable hosting, and one critical link to a known malicious redirector. The document body, though heavily obfuscated, suggests a lure related to 'Unturned military attachments' to encourage link clicks. The presence of a password-protected archive lure indicates an attempt to bypass gateway scanning.
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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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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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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://yafferge.ru/wix?keyword=unturned+military+attachments+id In PDF document text
- https://kudaxemukuwofi.weebly.com/uploads/1/3/4/6/134691428/rugibexavi.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4426075/normal_601d125ec563b.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4477386/normal_6009318693836.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4427795/normal_5ff8627f63c4b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4423136/normal_605d7d0eece28.pdfIn PDF document text
- https://wirosumarot.weebly.com/uploads/1/3/1/3/131398493/makigozud.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4376086/normal_601e5132d78a9.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4421966/normal_5fdbdc533f325.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4494136/normal_5ff7e55304adf.pdfIn PDF document text
- https://zaxonuwikujad.weebly.com/uploads/1/3/0/8/130874627/xikefopefuza-gobumi-laxekuxubodepuw-tusapalavodup.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4416327/normal_60264d5293a3b.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4455178/normal_5ffa04a0632b4.pdfIn PDF document text
- https://vimumigejanamim.weebly.com/uploads/1/3/4/6/134619591/wipovopulisogo-wirudukiz.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4387240/normal_60001149e9a74.pdfIn PDF document text
- https://fopojikanerev.weebly.com/uploads/1/3/4/8/134888820/pofadunarexoj_milavezugaz.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/nitizobuv/camilla_kaftan_size_guide.pdfIn PDF document text
- http://joxamemi.epizy.com/98353998919.pdfIn PDF document text
- https://s3.amazonaws.com/megodipewukitoj/dozobow.pdfIn PDF document text
- http://wemitagokodunes.epizy.com/acidemias_organicas.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_off00010d27.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D27 | 5272 bytes |
SHA-256: 6062869852cd966c86ac57a693817a40153a43d9275dade8490ea428d9d96145 |
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font_01_sfnt_off00011eea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11EEA | 12820 bytes |
SHA-256: 770e0621f534970e4a811b382bd8ed9dfff5f417c89248dfe1c92c65237432b2 |
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