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://midufefew.ru/award?keyword=amyotrophic+lateral+sclerosis+pdf+2020 PDF link annotation
- https://cdn.sqhk.co/fodexuxefeba/iCjcIoJ/where_to_buy_cross_stitch_fabric_in_canada.pdfIn PDF document text
- https://cdn.sqhk.co/zimidenex/cIajbob/pifodutazibifo.pdfIn PDF document text
- http://x-bionic.shop/477138942752fr2v.pdfIn PDF document text
- http://sodaapp.pro/jands_vista_2_software_updateir6qy.pdfIn PDF document text
- http://naturwow.space/funozemofp29z.pdfIn PDF document text
- http://icily.xyz/63487429362maliw.pdfIn PDF document text
- http://rawoxaxevog.mygamesonline.org/17091526409.pdfIn PDF document text
- https://cdn.sqhk.co/seduregudire/ohajbgd/facebook_logo_2019_for_business_cards.pdfIn PDF document text
- http://tegor.xyz/dont_shoot_the_dog_audiobook_downloadamu26.pdfIn PDF document text
- http://duwinijuj.mypressonline.com/53571982006.pdfIn PDF document text
- https://cdn.sqhk.co/fodexuxefeba/Xig7iji/mcdonald_s_breakfast_menu_nutrition_facts.pdfIn PDF document text
- http://loneresel.mygamesonline.org/vuzusogewuzen.pdfIn PDF document text
- https://cdn.sqhk.co/kivipemo/CFgdiND/wobokosomapodotiw.pdfIn PDF document text
- https://cdn.sqhk.co/seworani/MjgGTk5/27174720440.pdfIn PDF document text
- https://cdn.sqhk.co/vorowobenune/ciaujhI/dj_scratch_sound_effect_fl_studio.pdfIn PDF document text
- https://cdn.sqhk.co/pumopijaku/yhfU0jg/acapella_picplaypost_apk.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://uploads.strikinglycdn.com/files/5eeaa858-3755-412f-9987-ec8b7544b258/saunders_nursing_drug_handbook_2020_free_download.pdfIn PDF document text
- https://91506351-5699-48ce-85e7-8e7d071f4e87.filesusr.com/ugd/d775a9_d841307fa1e448ffa299d34b7eb63ded.pdf?index=trueIn PDF document text
- https://f61a8d15-835b-4c36-a3db-e4ead73ab13f.filesusr.com/ugd/e9f5f3_56c30eebed6647d4988dc1685d38de7c.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/7f54fee7-bb9b-4389-9856-bac179553fe2/jizivonurigakakogetofavob.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5af91be5-41ea-40e4-9b8d-ac467e13c3b1/wukogomitupogamen.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ee9e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE9E | 5444 bytes |
SHA-256: a329c090f1516eca3b286db235aadd1d2bcbff0ed041f2acbaacb9a9ce8b8efe |
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font_01_sfnt_off00010125.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10125 | 11320 bytes |
SHA-256: 3ee3601dc620d7f5ce1e5b6bb506fe7c23161eecffc2f94dbea2df273fecfce9 |
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font_02_sfnt_off00012772.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12772 | 4324 bytes |
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3 |
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