MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains a large number of external links, many hosted on disposable domains, suggesting a link farm designed to redirect users to potentially harmful content. The embedded URLs and the heuristic findings point towards a phishing or malware distribution scheme disguised as educational material.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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://dugedepap.ru/strik?utm_term=reading+comprehension+grade+3+lesson+plan PDF link annotation
- https://static.s123-cdn-static.com/uploads/4480598/normal_5ffc5dab1c1eb.pdfIn PDF document text
- https://cdn.sqhk.co/govonesed/YWibOV2/28414726852.pdfIn PDF document text
- https://cdn.sqhk.co/movozuba/gjcOAjc/guxuzo.pdfIn PDF document text
- https://cdn.sqhk.co/derebeduno/6Xuhcqa/vawigejizofamajukiv.pdfIn PDF document text
- https://cdn.sqhk.co/vivepovugeli/aJgemmA/university_of_hong_kong_mba_acceptance_rate.pdfIn PDF document text
- https://cdn.sqhk.co/tizuvuwo/awEN7l3/83782576989.pdfIn PDF document text
- https://cdn.sqhk.co/sarimotel/hhwUjfi/apache_jump_on_it_wedding_dance.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4365553/normal_600e321ae9574.pdfIn PDF document text
- https://cdn.sqhk.co/butiluluvuk/FjcsiiN/53219638687.pdfIn PDF document text
- https://cdn.sqhk.co/xaranoraf/aDfxgeC/vadipobop.pdfIn PDF document text
- https://cdn.sqhk.co/zitajazasu/ZzHajeo/grammarway_2_answer_key_online.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4466368/normal_600f617154300.pdfIn PDF document text
- https://cdn.sqhk.co/reparepoki/mhh6hjd/wurokijixe.pdfIn PDF document text
- https://cdn.sqhk.co/litigoruf/iaoNvub/fox_sport_liverpool_vs_barcelona_en_vivo.pdfIn PDF document text
- https://cdn.sqhk.co/siloneza/tdvhagj/96074194211.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/1c5089a3-ccb2-49cf-a6dd-c6d9ea00116e/27925732202.pdfIn PDF document text
- https://5e54d98c-4257-4cc7-9010-48f3df296eb2.filesusr.com/ugd/05240c_1f788ec11bb546379813f31452b42c26.pdf?index=trueIn PDF document text
- https://5e20aa6b-77ef-4f11-9344-5454fb7c649c.filesusr.com/ugd/fb3aa9_616d853c1d1a4dce84fbe3b41108cb99.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/e7190e90-7183-4a76-8378-00b92e2b84d5/vedolomekijuno.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0b6f7992-5ee7-4435-a808-c23043eeafab/what_is_design_thinking_definition.pdfIn PDF document text
- https://9c12218e-e157-4070-b33f-4467b3cb42bb.filesusr.com/ugd/0c60a0_554795fb163a47a4bcf3fd358b25672f.pdf?index=trueIn PDF document text
- https://ba789de2-c385-43ee-b32d-a34c698d1993.filesusr.com/ugd/b7082a_8298e25d06704923808c0629eee407dd.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/ff29d80b-d870-4df2-be0a-9db76d17b817/summon_monster_list_nethys.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_off0000f701.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF701 | 5656 bytes |
SHA-256: e740626708662204179555b23013e25e6bb7d5171c80cfcbeb22bfab949ac40d |
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font_01_sfnt_off00010a1a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A1A | 10612 bytes |
SHA-256: 0d72d4feca5c2a04f9aa3d507adb4e18b5946161e84e5ec90c86e75b37fd3f99 |
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