MALICIOUS
252
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged as malicious by multiple heuristics, including a critical finding for a link to a known malicious redirector and a large number of external PDF links, many hosted on disposable domains. The ML classifier also assigned a very high probability of maliciousness. The presence of numerous links suggests an attempt to lure users to malicious websites, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://dafemum.ru/wix?keyword=santa+ana+college+spring+2020 In PDF document text
- https://cdn-cms.f-static.net/uploads/4490519/normal_6019675688422.pdfIn PDF document text
- https://minadefimufev.weebly.com/uploads/1/3/4/6/134635785/temevadatakegural.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4452206/normal_601a8178235c8.pdfIn PDF document text
- http://zonitupupafof.sportsontheweb.net/hey_there_delilah_guitar_tab.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4457005/normal_5fe267c47a0a8.pdfIn PDF document text
- https://sewenafefu.weebly.com/uploads/1/3/4/0/134012434/dizanenilu-zopinodusunamot-potama-vibig.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4501991/normal_5fc8ea911a00c.pdfIn PDF document text
- https://bilujadaju.weebly.com/uploads/1/3/4/7/134772480/c053b.pdfIn PDF document text
- http://xakidofe.sportsontheweb.net/piwapupujirogekalulo.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4466408/normal_5ff5a7cfebdc6.pdfIn PDF document text
- https://badosesidexezub.weebly.com/uploads/1/3/0/8/130874160/risuropuj.pdfIn PDF document text
- http://zuxekagapefe.mygamesonline.org/both_either_neither_exercises_with_answers.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4479445/normal_5fd6e02452c50.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4407070/normal_5fd9f20b7df57.pdfIn PDF document text
- http://rowowevu.mypressonline.com/xiderunanibokabewaje.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4421464/normal_5ffd1fbe669a1.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://mukanebesiva.atwebpages.com/sales_manager_job_interview_questions_and_answers.pdfIn PDF document text
- https://59cf682b-6680-4a08-8b8d-0472bab64ef7.filesusr.com/ugd/d7d6cd_73fa4681db0e4600840c11d8ccb86732.pdf?index=trueIn PDF document text
- http://mobukug.myartsonline.com/runumofiwanovigagenele.pdfIn PDF document text
- https://61069a5e-3c5f-4884-a3c7-8c7552058b74.filesusr.com/ugd/0789d5_9a0d3c22c1e340ee86ce10a565ff29ab.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_off0000f296.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF296 | 5476 bytes |
SHA-256: 3dc2fa9966a79d11d9210494b4e8864ec8e8ad5d0ec14a2e99f86c1918761044 |
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font_01_sfnt_off00010541.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10541 | 10576 bytes |
SHA-256: d4b13a01c35a6affe1b944b4dfa359d084c4f053b43d223d821f7355ec697453 |
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