MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of external links, many hosted on disposable domains or link farms, indicating a malicious intent to redirect users. The ClamAV detection and ML classifier strongly suggest this is a phishing or malicious document. While no scripts were explicitly extracted, the PDF structure and embedded links are indicative of a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://resalured.ru/strik?utm_term=estructura+interna+y+externa+de+los+textos+informativos PDF link annotation
- https://cdn.sqhk.co/nazamesuwute/PEjgjfI/arsenal_top_scorers_2019_20_all_competitions.pdfIn PDF document text
- https://cdn.sqhk.co/retirijozi/hhheigN/basketball_battle_apk.pdfIn PDF document text
- http://qrastenmap.online/cash_book_journal_template2k0jj.pdfIn PDF document text
- https://cdn.sqhk.co/remimidotomi/ajijhec/85152662317.pdfIn PDF document text
- https://cdn.sqhk.co/xenudipu/jvpQheh/lullaby_songs_for_babies_in_spanish.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4452392/normal_5fd5f616b835f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4470841/normal_5fea20d585ff3.pdfIn PDF document text
- http://ig-copyrighthelpcenter.com/8_ball_pool_long_guideline_tooldd60s.pdfIn PDF document text
- https://kivogumit.weebly.com/uploads/1/3/1/0/131070776/dekabeb.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4413244/normal_5fd38cb1802bf.pdfIn PDF document text
- https://cdn.sqhk.co/moxibusas/bgdTAhw/99199992493.pdfIn PDF document text
- http://novorawo.iblogger.org/how_to_fix_kenmore_elite_oasis_washer.pdfIn PDF document text
- https://cdn.sqhk.co/tajalawad/9jcT8gg/99731533579.pdfIn PDF document text
- https://cdn.sqhk.co/nofevemumidu/icGEkcV/kologilakoperema.pdfIn PDF document text
- https://bukenazupe.weebly.com/uploads/1/3/4/5/134584610/bolozexumiwin.pdfIn PDF document text
- http://help-feedback-amzn6.xyz/29583222974lieom.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4444647/normal_6033c3aae30e5.pdfIn PDF document text
- https://vozokeku.weebly.com/uploads/1/3/1/8/131857213/5824753.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://vudafudilisa.epizy.com/33622779446.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000dcee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCEE | 5352 bytes |
SHA-256: 9c15d854e066995ef65bd52fbbea60d90ef8f148323cae4d12f08f486abbf110 |
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font_01_sfnt_off0000ef22.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF22 | 12392 bytes |
SHA-256: 5418df8a08c19121afdb624a4d7fe3a1035f728d42c56030a018c7d6194e3360 |
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font_02_sfnt_off0001172c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1172C | 16148 bytes |
SHA-256: 89854eb283b939870e948aae03f5a61d23d47061d4182148b8d3c017c4b6f6c4 |
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