MALICIOUS
246
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
The sample is identified as malicious by ML classifiers and ClamAV, and exhibits characteristics of a credential phishing attack by impersonating Yahoo. It contains a mass of external links, many hosted on disposable domains, suggesting a link farm designed to obscure the final destination. The primary lure appears to be a link to a PDF hosted on weebly.com, which is likely part of a phishing campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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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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://talipugetajizan.weebly.com/uploads/1/3/4/8/134862074/1828030.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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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://soxebez.ru/award?keyword=2020+nfl+preseason+schedule+pdf PDF link annotation
- http://dipugipedanam.sportsontheweb.net/10859519129.pdfIn PDF document text
- https://talipugetajizan.weebly.com/uploads/1/3/4/8/134862074/1828030.pdfIn PDF document text
- http://fuzubijixulux.mygamesonline.org/23346887822.pdfIn PDF document text
- http://heleogose.online/257025446805wtar.pdfIn PDF document text
- http://nikecortez.net/wuterumebuvamivozxf0bm.pdfIn PDF document text
- http://komozazene.getenjoyment.net/craftsman_edger_blade_guard_replacement.pdfIn PDF document text
- https://vamububok.weebly.com/uploads/1/3/5/3/135317225/6451830.pdfIn PDF document text
- http://kimugifogetami.medianewsonline.com/famous_autobiographies.pdfIn PDF document text
- https://gafogipew.weebly.com/uploads/1/3/4/4/134475428/bapizivuwafulokema.pdfIn PDF document text
- https://motovonesavot.weebly.com/uploads/1/3/4/6/134690882/6708600.pdfIn PDF document text
- http://rabota-plus.club/nortel_phones_canadaivt28.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cd8fad78-6a19-43c6-878c-830d169ee42d.filesusr.com/ugd/ff0d91_f80240b872b0409a9e7e293e28f8ea66.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/tigovatolis/1303767937.pdfIn PDF document text
- https://737c154f-ca75-4484-807d-9d5c19d76377.filesusr.com/ugd/7e84b7_b9b5520585af455cb6e595bef0498b6b.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/lorifawuvawot/45156956723.pdfIn PDF document text
- https://cdb53ace-3f3f-41e1-823e-0ecf3add8ba2.filesusr.com/ugd/47e9e0_2b04372721cd4f1d985fe432010e4b13.pdf?index=trueIn PDF document text
- https://dedb376b-efc3-4528-ac10-fc65d12f866c.filesusr.com/ugd/5f6074_90bce1a12dcd4800a217baa8dc1217dc.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/gixirojozogufux/what_a_good_introduction_paragraph.pdfIn PDF document text
- https://s3.amazonaws.com/zodawanuror/dna_structure_worksheet_coloring.pdfIn PDF document text
- http://sogivuwe.onlinewebshop.net/probability_distribution_notes.pdfIn PDF document text
- https://s3.amazonaws.com/wipotegadodorek/ethiopian_music_video_2019.pdfIn PDF document text
- http://tirigofov.atwebpages.com/40817161139.pdfIn PDF document text
- https://5071cc05-3fa2-46b1-b944-d2523ca4b51d.filesusr.com/ugd/62e2c1_0a857e6811cc4576ac3c9064633fd516.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_off0001404f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1404F | 5424 bytes |
SHA-256: 9beb2448fdb11e4d7c7be7136851d13d75956a9c9e64c25460d051c662116808 |
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font_01_sfnt_off000152b7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x152B7 | 11912 bytes |
SHA-256: 5f4aa4b4205400dd2ee3c30d62b31107d3c5114b993a5083299d3052d55553a2 |
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