MALICIOUS
364
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1204.002 Malicious Link
The PDF document contains numerous links to external sites, many of which are hosted on disposable domains, indicating a link farm designed to host phishing lures. One critical heuristic specifically flags this as a brand-impersonation credential phishing attempt, directing users to an abused redirector. The presence of a malicious redirector URL and the nature of the heuristics strongly suggest a phishing attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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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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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Recovery secret / private key request critical SE_SECRET_RECOVERY_LUREDocument requests recovery phrases, private keys, backup codes, or saved passwords. Requests for these secrets in a document are high-risk.
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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://bonujuvab.weebly.com/uploads/1/3/2/7/132740321/jumefaxiruxefof_wawowinat.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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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://gettraff.ru/strik?utm_term=android+studio+release+apk+is+not+signed In PDF document text
- https://cdn-cms.f-static.net/uploads/4446923/normal_5f9f871fe81e0.pdfIn PDF document text
- https://bonujuvab.weebly.com/uploads/1/3/2/7/132740321/jumefaxiruxefof_wawowinat.pdfIn PDF document text
- https://liletalezawo.weebly.com/uploads/1/3/4/5/134591830/zetudupepu.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4382773/normal_5fd15639c70ff.pdfIn PDF document text
- https://venifamu.weebly.com/uploads/1/3/4/5/134501621/vaminanoz.pdfIn PDF document text
- https://bigonokefexix.weebly.com/uploads/1/3/4/5/134518339/bakirivusedifirade.pdfIn PDF document text
- https://xobopigo.weebly.com/uploads/1/3/1/4/131437845/tepamenos_nujamiwiju_jovimu_jinarer.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4375541/normal_5f8c2a67b15a1.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/f886db44-f64e-47cb-b33d-b69adc530b3b/30761018299.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/27944dc7-8dcb-4db2-b681-9ef26fc4c14b/bepobo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/17b51c70-e413-45de-9558-b0cd2c19fa54/51595462875.pdfIn PDF document text
- https://static1.squarespace.com/static/5fc506a3c30a162e0c6cfff4/t/5fcab60c980ea222adc74181/1607120398172/break_time_in_mexico.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1c799502-5b57-470a-9338-48d4e4a8f486/aetna_breast_pump_in_network.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/92dc6c3d-932a-4ebf-9695-a7e75923aef0/xefiditibutoz.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_off00010754.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10754 | 5180 bytes |
SHA-256: f46fc7ccf8bd79b07649eae5dd4aba2e9b2f2d6016414e22eccf29403eaa037d |
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font_01_sfnt_off00011907.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11907 | 11084 bytes |
SHA-256: 14209dea4d4e805de686c37a27c2b8a74318798bb67e04ea8a6ab52a6acc412f |
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