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-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://coretry.ru/pbw?utm_term=ielts+reading+book+9+test+3+answers PDF link annotation
- https://jebezowurexa.weebly.com/uploads/1/3/4/5/134576847/ac92f094b6c094.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4408333/normal_5fd329ddc30f3.pdfIn PDF document text
- https://jeraligasusuwaj.weebly.com/uploads/1/3/4/5/134528446/2757818.pdfIn PDF document text
- https://mozubuwuvufizo.weebly.com/uploads/1/3/4/6/134600540/parugibopeko.pdfIn PDF document text
- https://nogetutiru.weebly.com/uploads/1/3/4/7/134711470/bapebutowa.pdfIn PDF document text
- https://dutariviwasupor.weebly.com/uploads/1/3/4/6/134610277/8075185.pdfIn PDF document text
- https://lefevelomisowub.weebly.com/uploads/1/3/4/4/134459897/tibokuna-lubafexanerebis-nusidofelu-denumikowa.pdfIn PDF document text
- https://xanifinutevafux.weebly.com/uploads/1/3/0/7/130739814/mejanujojamufuf.pdfIn PDF document text
- https://sirazetagur.weebly.com/uploads/1/3/5/3/135328448/lajarapixe.pdfIn PDF document text
- https://vewezefamipuwir.weebly.com/uploads/1/3/4/6/134630759/3123494.pdfIn PDF document text
- https://puwirobazavuwo.weebly.com/uploads/1/3/1/4/131453501/xolanavix.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4375204/normal_5fdae1700a090.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://barumena.pbworks.com/w/file/fetch/144778053/cuales_son_las_ramas_de_la_biologia_y_sus_definiciones.pdfIn PDF document text
- http://xalomuzavege.pbworks.com/f/how_much_does_bmr_increase_with_exercise.pdfIn PDF document text
- http://lagawiwefe.pbworks.com/f/62632258462.pdfIn PDF document text
- http://nagaxop.pbworks.com/w/file/fetch/144538914/51610120489.pdfIn PDF document text
- http://xulajirose.pbworks.com/f/ielts_5_practice_tests_academic_set_3.pdfIn PDF document text
- http://sukagafamo.pbworks.com/w/file/fetch/144810747/mevufokivixobek.pdfIn PDF document text
- http://dukujaxosap.pbworks.com/w/file/fetch/145084185/velerupezidibukinum.pdfIn PDF document text
- http://davusavesasi.pbworks.com/f/jugiwetiro.pdfIn PDF document text
- http://xixokuzujoz.pbworks.com/w/file/fetch/144929640/computer_networking_with_internet_protocols_and_technology.pdfIn PDF document text
- http://xutipofapu.pbworks.com/f/9th_class_english_book_free_download.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_off0001d1d2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1D1D2 | 5544 bytes |
SHA-256: 04e06a21e88593cc2aa999c3dd99df129812d4147b6f90e86c7786ecaf39ffde |
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font_01_sfnt_off0001e4c5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1E4C5 | 12292 bytes |
SHA-256: 95eb067cffc230d9c82263fcd79d9a0fc6b9ae25b8ecb31e30175413b194dbbd |
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