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-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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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://zajinet.ru/wix?keyword=pioneer+deh-p4000ub+manual+espa%25C3%25B1ol PDF link annotation
- https://wibugosavuzatug.weebly.com/uploads/1/3/4/3/134349607/nisaje-sumizikatuw.pdfIn PDF document text
- https://modotetizifoxi.weebly.com/uploads/1/3/1/6/131637555/liwin_fopezedanom_lirinoruwe.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://e61e9f85-32c5-4861-9fd4-b89109084c35.filesusr.com/ugd/2e4eb4_ce39fc3e264f4e91add304e9833c381b.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/83ba8fc6-521b-42ef-b302-df55a32e63c7/kedozoveteduwigibudol.pdfIn PDF document text
- https://d992f69e-bc5b-430a-92d7-abfd66d0380b.filesusr.com/ugd/6f7357_bb02f2ad69284527bf9a50f19b6b1e4b.pdf?index=trueIn PDF document text
- https://5b949be5-44ef-49af-96c7-0ebaa8fe632e.filesusr.com/ugd/3402b1_51596ebf353449559a9e6ce2cbee80fd.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/512f30c0-cbcf-4493-ac09-37448e079405/xijudilisakezepow.pdfIn PDF document text
- https://s3.amazonaws.com/sikuva/radio_button_checked_by_default_android.pdfIn PDF document text
- https://aee666f7-65d2-4416-8089-42e5bd85255d.filesusr.com/ugd/c4036c_b373414726964d19ade78c0918ceaf9b.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/d94dc463-f376-4ef9-8c92-c94871179509/recommendation_letter_for_managerial_position.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f6ee553b-1786-4f5b-b9b9-a014c5f89213/5.0_l_mercruiser_engine_oil_capacity.pdfIn PDF document text
- https://s3.amazonaws.com/wejuvono/journal_of_hepatology_guide_for_authors.pdfIn PDF document text
- https://s3.amazonaws.com/goviwigax/ebay_app_ios.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3f3b42a1-32f2-4d65-a9d9-ad37861622c1/kelapa.pdfIn PDF document text
- https://cb70cc59-2297-49c3-b7e2-2ac7e26e28d4.filesusr.com/ugd/4479ed_9137a4c7775442e2b8c156ff0e8eba1b.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/38f582e4-c2e2-493a-b187-77f86197aa44/1462646705.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/415a44a5-7272-4b59-9c73-c023174750e3/voice_search_asus_chromebook.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/bfe22ebc-cda6-4b81-b5ab-a67322ce840a/goginimowitalasokugabeza.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c4d8f55b-cce8-49d1-9cef-6cce65f24e1e/fimajepol.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/af6b3a94-8ca5-4e92-ab02-1334976af834/madumufofedep.pdfIn PDF document text
- https://s3.amazonaws.com/genedonapubefe/la_monarquia_absoluta.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_off00014180.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14180 | 5812 bytes |
SHA-256: b9bf3b69f5c06bed1cafa6782be77419c871f8ef43e8aaf97887f45feb1a9e35 |
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font_01_sfnt_off000154d1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x154D1 | 15308 bytes |
SHA-256: 3980a876e1e4b33e7f47e2121d8d8110c4d24bc51b25204c0ff4fccbc6e88bc6 |
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