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 0.9996
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://crophysi.ru/strik?utm_term=what+happens+if+there+is+no+heartbeat+at+6+weeks PDF link annotation
- https://cdn.sqhk.co/wogefosa/hjbhfaj/50233272991.pdfIn PDF document text
- https://cdn.sqhk.co/zokirafuka/vieaOig/date_sheet_aiou.pdfIn PDF document text
- https://felomogolupa.weebly.com/uploads/1/3/4/3/134345494/02be036e2f066.pdfIn PDF document text
- https://juvosibizojeguw.weebly.com/uploads/1/3/4/0/134040958/6704948.pdfIn PDF document text
- https://famogapev.weebly.com/uploads/1/3/1/6/131606489/da1f2a3a9c6488.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4461219/normal_5fd7ecfce223c.pdfIn PDF document text
- https://wuluvaxezipow.weebly.com/uploads/1/3/5/3/135393263/8403076.pdfIn PDF document text
- https://lesavudipuvu.weebly.com/uploads/1/3/4/3/134338744/rafose.pdfIn PDF document text
- http://kafofal.mygamesonline.org/zepufejojojiralofuvigemok.pdfIn PDF document text
- https://cdn.sqhk.co/porosobof/icibgj4/kufop.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4481059/normal_605429681d3aa.pdfIn PDF document text
- https://batusuxejodasav.weebly.com/uploads/1/3/1/8/131857782/7771100.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4472776/normal_5fcbd7ed9fd7e.pdfIn PDF document text
- https://bugomalaked.weebly.com/uploads/1/3/5/3/135324661/4973164.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4485695/normal_5ff4b67f6f061.pdfIn PDF document text
- https://bewotenugajuvu.weebly.com/uploads/1/3/2/6/132695730/37eaf49a205e.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4454541/normal_5fdecbc2e978e.pdfIn PDF document text
- https://zibataluguxomi.weebly.com/uploads/1/3/1/3/131382491/da073.pdfIn PDF document text
- https://kafasomawupi.weebly.com/uploads/1/3/0/7/130775431/1371805.pdfIn PDF document text
- https://lodikesilir.weebly.com/uploads/1/3/4/8/134868057/rojikevebese.pdfIn PDF document text
- https://linebabeta.weebly.com/uploads/1/3/5/3/135317009/nokokule.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://bixozebaxikapos.atwebpages.com/iso_7816_4_apdu_commands.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_off0000f358.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF358 | 5420 bytes |
SHA-256: 420dbee761ccc0975749f6b94851b55e5902eca22fd9f7250cf2e8d066e72dee |
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font_01_sfnt_off000105d9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105D9 | 10860 bytes |
SHA-256: f2c436104b0d33c285d98c0419f65cb5156b81ffb3de579a37fc0a18be4a5be7 |
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