MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was identified as malicious by ClamAV and a machine learning classifier. It contains a significant number of external links, many hosted on disposable domains, indicating a link farm designed to obscure the ultimate destination. The presence of these link farms suggests an attempt to distribute phishing content or redirect users to exploit kits.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://druttle.ru/123?utm_term=kathleen+kelly+kindergarten PDF link annotation
- https://cdn.sqhk.co/jarebomu/iiuHghL/48260021207.pdfIn PDF document text
- http://yildirimotobursa.com/jimmy_john_s_sandwich_meatihenw.pdfIn PDF document text
- http://xxlmature.site/plug_dj_bot_commands90gyt.pdfIn PDF document text
- https://cdn.sqhk.co/zixapegof/f2jgNKp/vipabikuguzagaxinonuw.pdfIn PDF document text
- https://cdn.sqhk.co/nipigagavadu/1jdhemI/sowaxizufojud.pdfIn PDF document text
- https://cdn.sqhk.co/nesorosuxim/4heijYt/95796388676.pdfIn PDF document text
- https://cdn.sqhk.co/patemugimej/hhihetG/dipirijatipufamufupupa.pdfIn PDF document text
- http://luxshop21.site/nisitokebunowymqcc.pdfIn PDF document text
- http://stc-l.ru/bidezemcwrai.pdfIn PDF document text
- https://cdn.sqhk.co/nupegefozub/xVgejiW/78366886436.pdfIn PDF document text
- https://cdn.sqhk.co/razanifuwuz/d1iiibb/candy_crush_saga_level_6013.pdfIn PDF document text
- https://cdn.sqhk.co/kuzetuzame/ijihfgi/77832491783.pdfIn PDF document text
- https://lanoxujuzon.weebly.com/uploads/1/3/4/6/134630121/guwaj.pdfIn PDF document text
- https://cdn.sqhk.co/zupodejadofe/YAnAgc9/vavonededikotizunogawub.pdfIn PDF document text
- https://cdn.sqhk.co/sawusuzi/ZPgjMhf/xopezufojatitize.pdfIn PDF document text
- http://rerubin.space/47891833339scbjg.pdfIn PDF document text
- https://cdn.sqhk.co/kizofapekeku/Rhjifjh/hdfc_diners_club_international_rewardz_credit_card_benefits.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/tamobalasu/31042605797.pdfIn PDF document text
- https://s3.amazonaws.com/kitakilesa/55290568185.pdfIn PDF document text
- https://s3.amazonaws.com/gofiguj/minecraft_game_free_for_windows_7.pdfIn PDF document text
- https://s3.amazonaws.com/bokofapig/coronary_artery_aneurysms_treatment.pdfIn PDF document text
- https://s3.amazonaws.com/jepinebawo/your_safety_iq_quiz_answers.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000cf90.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF90 | 5044 bytes |
SHA-256: 3e268de9dd03ec4e0b21b879c9742989fe9097b9e8b037608d25b64ec0c49de7 |
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font_01_sfnt_off0000e0b4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0B4 | 3668 bytes |
SHA-256: 85671f867051d54fcf2ae360ddc1884ce2861b4158452ec010f0cf68ffed5292 |
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font_02_sfnt_off0000ef5f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF5F | 11976 bytes |
SHA-256: 65097e33b98f7f6549c9aa14beedac3dd35ead8b08256494fabf63b0cc7ff68a |
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font_03_sfnt_off00011673.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11673 | 16880 bytes |
SHA-256: 167c124f9cc365c6bcb79c5f4e4fcff126059dcfff1fc1f4dd9a0fee8c745d11 |
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