MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
The PDF contains multiple heuristics indicating malicious intent, including PDF_SEO_DISPOSABLE_LINK_FARM and SE_MFA_LURE, suggesting it's part of a phishing campaign. The embedded URL `https://xajibur.ru/award?keyword=how+to+use+ms+excel+basic` and the link farm URL `http://fuvesozufinefi.medianewsonline.com/download_film_fifty_shades_of_grey_2019_sub_indo.pdf` are likely used to redirect users to malicious sites. ClamAV detection further confirms its malicious nature as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 6
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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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MFA / one-time-code harvesting lure high SE_MFA_LUREDocument asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
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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://xajibur.ru/award?keyword=how+to+use+ms+excel+basic PDF link annotation
- http://fuvesozufinefi.medianewsonline.com/download_film_fifty_shades_of_grey_2019_sub_indo.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4450337/normal_60434c5325443.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4426262/normal_601f74ab5518a.pdfIn PDF document text
- https://cdn.sqhk.co/duwokarewesu/icifYhj/49693155351.pdfIn PDF document text
- http://ligugiban.scienceontheweb.net/fukelotebofo.pdfIn PDF document text
- http://nizavevorupuj.mywebcommunity.org/gusipumefoxopuwinexipizir.pdfIn PDF document text
- https://cdn.sqhk.co/vavewiren/jbShcjW/60301684648.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4417815/normal_600bd2a50d718.pdfIn PDF document text
- https://simisasokudu.weebly.com/uploads/1/3/4/2/134235492/9cc2c.pdfIn PDF document text
- http://rilomenininun.getenjoyment.net/casio_5081_analog_time_set.pdfIn PDF document text
- https://rofekituluz.weebly.com/uploads/1/3/2/3/132303072/0c968499d08.pdfIn PDF document text
- https://sijalafad.weebly.com/uploads/1/3/4/8/134887162/544635.pdfIn PDF document text
- https://cdn.sqhk.co/kifukuvitog/jb5Nkw6/photo_editing_app_free_iphone.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4420612/normal_5fd797022bc1e.pdfIn PDF document text
- http://dikegebe.mygamesonline.org/how_to_improve_sat_reading_history.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/pomaxa/types_of_language_in_nepal.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ae34384a-bbbb-4fa4-bc99-b27410daa1ea/tefuj.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/97237a61-ba5d-44c4-b2b7-38c065b933d7/how_do_i_know_if_a_company_is_publicly_traded.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f04117d8-4ac7-495e-bc7d-0ab585478ea9/womuvurunenenimusaf.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ba5be94a-02f4-4102-ae4a-f7f4a1f30fed/normal_distribution_table_excel.pdfIn PDF document text
- https://s3.amazonaws.com/xetasif/sobujivojojepebalofuzon.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_off0000db21.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB21 | 5112 bytes |
SHA-256: b7fb0e28c8b6d9614f521a21bdbbc54b92d13526910be9231823038ba6a38533 |
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font_01_sfnt_off0000ec85.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC85 | 10588 bytes |
SHA-256: 72a00a8da628f80cb0c7de4a19c26fa52db9d196a4068b868cbc4574b27f8a15 |
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