MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous external links, many of which are hosted on disposable domains, indicating a link farm for SEO manipulation or phishing. One prominent URL, 'https://jacksth.ru/strik?utm_term=2011+rav4+for+sale+in+jamaica', is presented in a context that suggests a lure related to vehicle sales. The ClamAV detection and ML classifier strongly indicate malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
Heuristics 8
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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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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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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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://jacksth.ru/strik?utm_term=2011+rav4+for+sale+in+jamaica PDF link annotation
- https://static.s123-cdn-static.com/uploads/4466391/normal_5ff0cec244863.pdfIn PDF document text
- http://ideaita.fun/86145519558naanb.pdfIn PDF document text
- http://teplotronic.ru/dexanawe6wkot.pdfIn PDF document text
- http://meriline.store/65240223588wytxi.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4407983/normal_6028f150e7f07.pdfIn PDF document text
- http://qrastenmap.online/2007_yfz_450_owners_manual7rx9a.pdfIn PDF document text
- http://yildirimotobursa.com/luxamajomurex0h569.pdfIn PDF document text
- http://goodshopsales.xyz/2010_cpr_guidelines_aha30o8h.pdfIn PDF document text
- http://fredo.run/entergy_phone_number_beaumont_texasfsmy9.pdfIn PDF document text
- http://bcipreactivaperu.com/vilezuws50bn.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4373008/normal_60546fccbee60.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://80c93ba6-74df-4afb-9852-3a83eaba20e3.filesusr.com/ugd/4cf28d_d35c9adb476a46a3ad6d558dc48a1a12.pdf?index=trueIn PDF document text
- https://466f9527-ada3-48b4-ac0c-4ba5546996ca.filesusr.com/ugd/a4b6b9_e0b6d7699ad34fd2b7c67c7271a3f578.pdf?index=trueIn PDF document text
- https://e148473a-3d1a-46f8-b788-fbc1f5af68d4.filesusr.com/ugd/e1e70b_7d8fbcd81cc244a29e05435075d914f0.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/d2660d97-ef44-451b-9844-4ec121591b19/84992796652.pdfIn PDF document text
- https://e5eb5b25-b33c-43e3-82d5-57ab1bf863d8.filesusr.com/ugd/b0c717_69c83261404f4336945bb377a84eae2a.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/a57ebddc-4920-48b9-b564-eda5087e9f8e/61100618381.pdfIn PDF document text
- https://4b4ea461-5266-411b-8735-d5290551f550.filesusr.com/ugd/7fedcf_7972bcb50e4a4f6186d6601016f1fb8b.pdf?index=trueIn PDF document text
- https://c8f6a2ed-bc8a-4fd4-b26a-19707db7c4cd.filesusr.com/ugd/1cc7e8_2864f1ac473449639fc94c4589919d09.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/2cd14ab2-7ea2-4499-80f3-a54a17d4ad81/download_al_quran_dari_juz_1_sampai_30.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3e12f9fe-2abd-4061-b671-cae589300b08/sat_reading_practice_test_4_answers.pdfIn PDF document text
- https://571cbd0a-ba82-408d-be6d-2df53a8fcfe5.filesusr.com/ugd/02af14_9f5a8047ff1e472a808a4d90083e32f0.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/df03b785-f8fb-4903-9f8e-28c2a7f3468b/67869654781.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_off0000e862.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE862 | 5484 bytes |
SHA-256: 29617f04bec1cdba4f3ea29573cd3241a9fe6cfe0da9e74f79bd743a87c7ecda |
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font_01_sfnt_off0000fb0f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB0F | 10852 bytes |
SHA-256: e68ff03fe7b871d6d53f6feae9800d0c7717e2db630de0ec366f323e17b2e67d |
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