MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. It uses an urgency-based lure. 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 0.9993
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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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://gimoguvi.ru/123?utm_term=aztreonam+iv+prescribing+information PDF link annotation
- https://cdn-cms.f-static.net/uploads/4424985/normal_6024684e653d4.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4408709/normal_6028190ac323c.pdfIn PDF document text
- https://cdn.sqhk.co/furafurume/ibKijhe/34227209033.pdfIn PDF document text
- https://cdn.sqhk.co/xubuzivo/haogd49/radio_flyer_walker_wagon_target.pdfIn PDF document text
- https://wedisojurul.weebly.com/uploads/1/3/4/5/134515344/mibupo.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4421336/normal_6025f5b77cd21.pdfIn PDF document text
- http://dom-bita.org/abu_garcia_silver_max_lp_baitcast_reelajpkq.pdfIn PDF document text
- https://cdn.sqhk.co/zukuxenopo/P0Kjegf/ditexojefipojo.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4416143/normal_5fcbf47d778d9.pdfIn PDF document text
- https://jubolovewo.weebly.com/uploads/1/3/1/4/131453214/4563b0.pdfIn PDF document text
- https://dadotetixaj.weebly.com/uploads/1/3/4/4/134404583/munamobi.pdfIn PDF document text
- https://bilokomomaxin.weebly.com/uploads/1/3/5/3/135397692/sibawiduroli_janifulozizovi_relinodazuramus_watuto.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4423188/normal_5fe7a0456800a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4392444/normal_600e59853be30.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4420610/normal_6041f08174e5a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4421051/normal_6024a167538ee.pdfIn PDF document text
- http://pipvip.ru/85657591581dxv9d.pdfIn PDF document text
- https://cdn.sqhk.co/jepipovi/S4yxMjc/48103935769.pdfIn PDF document text
- https://gijagexerifaru.weebly.com/uploads/1/3/5/3/135322880/b79170735.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/tizowodifi/83149383581.pdfIn PDF document text
- https://s3.amazonaws.com/xalexojaxipud/egyptian_cotton_fitted_sheets_king_size.pdfIn PDF document text
- https://s3.amazonaws.com/fusopoxipo/calculating_energy_efficiency_worksheet.pdfIn PDF document text
- https://s3.amazonaws.com/jevelel/intake_and_output_record_template.pdfIn PDF document text
- https://s3.amazonaws.com/tujeviwakirawu/desajibolezurugegal.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_off00012805.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12805 | 5540 bytes |
SHA-256: b94ae507a6f32dfbb7ca466601ebc32e212a036fe06cc6020489d13482355176 |
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font_01_sfnt_off00013ada.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13ADA | 11224 bytes |
SHA-256: 94b06f0b762dd7d6d2e06192d4b9d59f659f42231091ceb41b37d40112c9fcc4 |
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