MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
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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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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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://dugedepap.ru/aws?utm_term=how+do+i+sign+up+for+obamacare+2021 PDF link annotation
- https://gajatizu.weebly.com/uploads/1/3/5/3/135315297/9303571.pdfIn PDF document text
- https://demuxovepeb.weebly.com/uploads/1/3/4/3/134311881/sifekufup.pdfIn PDF document text
- http://foxeletumirud.iblogger.org/dirt_devil_featherlite_filter_f1.pdfIn PDF document text
- https://ninitirasaru.weebly.com/uploads/1/3/5/3/135317350/nitirefowafedi_sulep_sisobuporos_jotet.pdfIn PDF document text
- http://betabudon.iblogger.org/business_in_one_box_free.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/8a1412c3-9cbb-4724-b8ef-97994b2eb093/dosidaguzojunutinur.pdfIn PDF document text
- https://1a447ccf-a6a5-490c-ad31-399ae8169532.filesusr.com/ugd/cf5184_511f9084166a46998f3f7fc835bdc59f.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/d317e7e8-7123-4b17-af77-b652bc72f2b0/konica_bizhub_c224e_admin_password.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/506c9a60-dae0-43ec-bbc0-a43461786784/what_episode_does_asta_get_his_grimoire_back.pdfIn PDF document text
- http://mofuvuziwoloj.epizy.com/panasonic_kx-dt343_change_voicemail_message.pdfIn PDF document text
- https://s3.amazonaws.com/zerejibixupav/hreflang_google_guidelines.pdfIn PDF document text
- https://s3.amazonaws.com/kiguteperilodu/windows_7_activator_free_for_pc.pdfIn PDF document text
- http://mefabimunusor.epizy.com/21752247176.pdfIn PDF document text
- https://s3.amazonaws.com/bupesejirijejus/likojeratogeziselel.pdfIn PDF document text
- https://s3.amazonaws.com/dorobukasawituw/53395884900.pdfIn PDF document text
- https://ec8c99fd-5413-4e38-b6a0-2ccbba71fc6f.filesusr.com/ugd/de02f3_075b4a64f90c444c98be4e6b0171ff7c.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/gagotaniwipure/grandview_heights_police_reports.pdfIn PDF document text
- https://s3.amazonaws.com/jinabom/fupigupododizetesogejori.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b5bd544b-8dcc-4ea5-8270-6491b47b45b6/gepefiponamukizina.pdfIn PDF document text
- https://3bcdeb60-9876-4d14-bc0a-1dd1632c647c.filesusr.com/ugd/16a96a_37ce3a3f3c3742cbb68f2fbbd5866036.pdf?index=trueIn PDF document text
- https://95043331-d9de-4498-ad98-35b8ac3ee23f.filesusr.com/ugd/5740b2_58abd7f3acda4a74bb85840f7e2584f8.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_off0000e9bd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9BD | 5964 bytes |
SHA-256: d09cd91396e5d8dfbef0ae2218dffecdcaa812d00454ba12ba59a641776c016e |
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font_01_sfnt_off0000fe09.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE09 | 11292 bytes |
SHA-256: b44a4d1a37d466265d9907cc4e3e67d258923832333270634cf87eeedb351b35 |
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