MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains a large number of external links, many hosted on disposable domains, indicating a link farm or SEO manipulation scheme. ClamAV and ML classifiers detected this file as malicious, specifically as a phishing trojan. The embedded URLs likely serve to redirect users to malicious content or further stages of an attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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/award?keyword=basin+irrigation+pdf PDF link annotation
- https://cdn.sqhk.co/mowanideju/56NFZwu/sovutumigalofukajige.pdfIn PDF document text
- https://jokilexagazoxo.weebly.com/uploads/1/3/4/6/134602179/vokusuminimozuwaru.pdfIn PDF document text
- https://cdn.sqhk.co/roxigeve/jgje8FY/the_world_ends_with_you_switch_price_eshop.pdfIn PDF document text
- https://kebedemozi.weebly.com/uploads/1/3/0/7/130775588/sotimigibugirak_dedizusad_nabepat_nenozowo.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4485153/normal_5fe009f4b36c0.pdfIn PDF document text
- https://xokotenesuku.weebly.com/uploads/1/3/1/4/131438709/xuzox.pdfIn PDF document text
- https://nowagomasililub.weebly.com/uploads/1/3/0/7/130775830/cb145c9e0fc56fe.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4451561/normal_60091292dcec9.pdfIn PDF document text
- https://vukuzimina.weebly.com/uploads/1/3/4/1/134109202/e938752eeedb0.pdfIn PDF document text
- https://pumagawiluzade.weebly.com/uploads/1/3/4/6/134697536/4903631.pdfIn PDF document text
- https://xavaruren.weebly.com/uploads/1/3/1/3/131383751/porulifemewuve_fobozupewipen.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4444102/normal_60397c88856fe.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4371809/normal_60525b69be174.pdfIn PDF document text
- https://cdn.sqhk.co/jinubodilev/ijnijPP/kavafigegulamo.pdfIn PDF document text
- https://cdn.sqhk.co/livixugakuf/iizghGb/esl_possessive_nouns_worksheet.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://35057dd6-1d18-4acd-96c9-af3b7fddc7cd.filesusr.com/ugd/978dd5_7d6185c8e02244989a7ce8b374febfab.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/litunux/what_are_barriers_to_effective_communication.pdfIn PDF document text
- https://90138cf2-752b-46b9-a396-1872e0473e42.filesusr.com/ugd/02203e_1f6f511be9f744eabb222745a60d3b19.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/zusevamasor/photoshop_7._0_for_android.pdfIn PDF document text
- https://2e8e3215-33bf-4fe1-bc67-b38dac560527.filesusr.com/ugd/269bb8_a96dab6dba564ce4acd668a54efbb5f2.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/tupofelasujewas/good_books_for_8_year_olds_uk.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_off0000e8a0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8A0 | 5224 bytes |
SHA-256: d9f95f476ed7534a8f11cf91a8ee9fba19183e5326510d6f533c21f8794941d3 |
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font_01_sfnt_off0000fa79.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA79 | 10496 bytes |
SHA-256: cdca39a05b6baef5ea46b3ed7109600d2d368f2bca257969829b71405ac4bf26 |
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