MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of external links, many of which point to SEO redirectors and potentially malicious content, as indicated by the 'PDF_SEO_LINK_FARM' and 'PDF_SEO_UTM_REDIRECTOR_LINK' heuristics. The ML classifier and ClamAV detection strongly suggest malicious intent. While no scripts were explicitly extracted, the presence of embedded URLs and the nature of the heuristics point towards a phishing or malware distribution scheme.
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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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://ponafet.ru/strik?utm_term=breakfast+nook+woodworking+plans PDF link annotation
- https://s3.amazonaws.com/mafavuzenoliki/big_hero_6_full_movie_tamilrockers.pdfIn PDF document text
- https://kimuremosov.weebly.com/uploads/1/3/4/7/134732255/ribovupegele_zuvovidelejedi_kuxiso_xosovosesuvifor.pdfIn PDF document text
- http://fsbsiod.com/gipezonuwixizakisogu16dyc.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4367912/normal_604f6b50c17cb.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4470967/normal_605625c851ed5.pdfIn PDF document text
- https://s3.amazonaws.com/liwara/56702595367.pdfIn PDF document text
- https://s3.amazonaws.com/wewiro/copd_treatment_guideline_2019.pdfIn PDF document text
- http://hookup681.site/710404132618lwmd.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4469135/normal_605ad2807817d.pdfIn PDF document text
- https://s3.amazonaws.com/bejikefowu/chamma_chamma_video_song_hd.pdfIn PDF document text
- http://pixell.store/774579264588sxwu.pdfIn PDF document text
- https://s3.amazonaws.com/vidadaviwal/35691985517.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4409819/normal_603eabc9574dc.pdfIn PDF document text
- https://s3.amazonaws.com/negonanopix/22007454775.pdfIn PDF document text
- https://baputopozim.weebly.com/uploads/1/3/5/3/135336161/sudexuju.pdfIn PDF document text
- https://s3.amazonaws.com/wesezuzuvalirik/business_contract_termination_email_template.pdfIn PDF document text
- http://susurrus.space/network_systems_administrator_job_descriptionkuoqw.pdfIn PDF document text
- https://s3.amazonaws.com/bidivo/51347880346.pdfIn PDF document text
- https://s3.amazonaws.com/sowewazulejewi/my_genes_made_me_do_it.pdfIn PDF document text
- http://sandwichhq.club/vobomirituluj8hew.pdfIn PDF document text
- https://zokelafeg.weebly.com/uploads/1/3/4/8/134889419/fugegogufigogosezijo.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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_off0000f221.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF221 | 5416 bytes |
SHA-256: c2b5d69dc1316a53b23de6eed4096f2b865fe099915f715f8b0e783360febdab |
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font_01_sfnt_off000104bb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104BB | 10892 bytes |
SHA-256: da83942c35c2c53ad59e71ec4bcda11c158e59386cae74a88874af8ffb8aae7e |
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