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-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://pelibifir.ru/strik?utm_term=amsco+united+states+history+2018+pdf PDF link annotation
- https://cdn.sqhk.co/nuzitomizaj/0jcuqhf/code_game_yong_heroes.pdfIn PDF document text
- https://cdn.sqhk.co/padezeda/chfJoSH/werumuvetezizeguxelonuvij.pdfIn PDF document text
- https://gegirugotosizuk.weebly.com/uploads/1/3/5/3/135397722/738127.pdfIn PDF document text
- https://cdn.sqhk.co/zegofurop/Bjbjie4/lenovo_ideapad_5_review.pdfIn PDF document text
- https://cdn.sqhk.co/fenazijeguk/Sihhcjj/soposofa.pdfIn PDF document text
- https://xinorexuvon.weebly.com/uploads/1/3/4/6/134608307/gokaxisu-muzoponuf.pdfIn PDF document text
- https://bagerukuvimi.weebly.com/uploads/1/3/2/8/132815916/fagonemuw.pdfIn PDF document text
- https://cdn.sqhk.co/dakuwuwuzije/hjeRsgj/webnovel_app_for_pc.pdfIn PDF document text
- https://latopilufazi.weebly.com/uploads/1/3/4/0/134017217/komaromasoj.pdfIn PDF document text
- https://cdn.sqhk.co/wepiwuvume/trIfhjP/36742036322.pdfIn PDF document text
- https://cdn.sqhk.co/gixedomawa/hfhfpwN/98323911552.pdfIn PDF document text
- https://verosogoteri.weebly.com/uploads/1/3/4/7/134738646/7920902.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://07f52280-50dc-49c2-beec-a2e30bf849d0.filesusr.com/ugd/7b8f90_56651293163549969855a6ac00c0f920.pdf?index=trueIn PDF document text
- https://77da94c0-0f0a-445b-87af-e489a0b5ef66.filesusr.com/ugd/db1da1_5d0c4550838b439baec1abc3cdca7995.pdf?index=trueIn PDF document text
- https://d102a0f2-001f-4998-bb0a-88ac30ac05b5.filesusr.com/ugd/771ea4_3ec4e937d7d94c1e8a435e555ec7ade2.pdf?index=trueIn PDF document text
- https://19aaccd0-9772-41b6-85c4-be118606641a.filesusr.com/ugd/a12125_6b0234745f764462ba9b30d75f990f46.pdf?index=trueIn PDF document text
- https://234d5d8d-19c9-4cab-a884-dd0775662658.filesusr.com/ugd/fb7225_840b730a113f4bc98231376c39234e08.pdf?index=trueIn PDF document text
- https://7a1f2a0d-094a-4466-88af-72a4af93b9fa.filesusr.com/ugd/22739b_5187c77de6884ba69b51589cfeee6467.pdf?index=trueIn PDF document text
- https://f8ba888e-8f71-4fde-8303-550399648f4e.filesusr.com/ugd/17ce20_dbd255f3744f438088aeb45c2f77c99d.pdf?index=trueIn PDF document text
- https://9eaa565e-fb97-40b4-b096-d6760803f699.filesusr.com/ugd/55e2c6_6f30d592e65d4011a916a5baa0abfb0b.pdf?index=trueIn PDF document text
- https://34e223d5-b18a-4f89-96b3-7c58aa965d90.filesusr.com/ugd/440e29_c2704e97e8b14a6bb7cf7aadb3ff3695.pdf?index=trueIn PDF document text
- https://780c8f77-0f51-49ab-8dd1-60a90eb210a4.filesusr.com/ugd/1b8612_df44c4e4a2614157a0e393edb039e5e1.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_off0000f396.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF396 | 5976 bytes |
SHA-256: f4df300489491dc2787041afaa74052d42e94b7d08243914ca79ba533b29ab80 |
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font_01_sfnt_off000107cf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107CF | 10648 bytes |
SHA-256: 286a31980cc1730f126a1c28de2a4f4eedda6bd57b06b21302c9e74672a0657e |
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