MALICIOUS
264
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
T1059.007 JavaScript
The PDF document impersonates a cloud file-sharing service, a common lure for phishing attacks. It contains a large number of embedded links, many of which point to disposable hosting or known malicious redirectors. The primary malicious link identified is https://gettraff.ru/strik, which is part of a known malicious redirector infrastructure. No scripts were extracted, but the presence of numerous malicious links indicates an attempt to redirect the user to a malicious site for further exploitation.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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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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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Cloud document impersonation lure medium SE_CLOUD_DOC_LUREDocument impersonates a cloud file-sharing service such as SharePoint, OneDrive, Google Drive, Dropbox, Box, or Microsoft 365 and asks the user to open, verify, or access a shared document
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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=file+manager+apk+android+4.+0 In PDF document text
- https://pozimetotekiv.weebly.com/uploads/1/3/4/3/134339641/natebu.pdfIn PDF document text
- https://pitimonajavigo.weebly.com/uploads/1/3/1/3/131383860/dedf5a8a2.pdfIn PDF document text
- https://jufaxexave.weebly.com/uploads/1/3/0/7/130775513/moxeladobivesalabiwi.pdfIn PDF document text
- https://norusukesalija.weebly.com/uploads/1/3/4/3/134356509/duxavizezoj.pdfIn PDF document text
- https://zozolesib.weebly.com/uploads/1/3/4/6/134631165/a65cd6754978c.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4487423/normal_5fc94e58a0ea8.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4403685/normal_5f9717c9aa2e2.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4376625/normal_5fa8e6600a22f.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://uploads.strikinglycdn.com/files/8d007740-ba24-46ad-850b-d522a9ad64c9/reputation_in_the_crucible_essay.pdfIn PDF document text
- https://s3.amazonaws.com/satuja/bhojpuri_mein_video_gaana.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/fe0e9256-4786-40c7-8dcc-259ad401445e/gawuwokitopowis.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1d95efe3-a147-4abd-b866-c0cc0ea9ed55/28725788207.pdfIn PDF document text
- https://s3.amazonaws.com/jewizopukuni/95193744944.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b0b1bd86-ff7e-408e-88ba-7687b6bae0ad/34115080439.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b18c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB18C | 5092 bytes |
SHA-256: 2297c895c7e732750705d1a44ecd47943dcdd81e1374ab1797835d66f49ab2ce |
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font_01_sfnt_off0000c2b9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC2B9 | 10364 bytes |
SHA-256: f8fa708ecb9f8ba6704a79da0a4b349a7a26cce25e6de81d4df6b439ddb75459 |
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font_02_sfnt_off0000e60d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE60D | 4324 bytes |
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
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