MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous external links, many pointing to SEO-optimized redirectors, suggesting a link farm or phishing operation. The heuristic 'PDF_SEO_LINK_FARM' and 'PDF_SEO_UTM_REDIRECTOR_LINK' indicate a tactic to generate traffic and potentially phish users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware distribution.
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://druttle.ru/award?keyword=algorithm+analysis+pdf+download PDF link annotation
- https://static.s123-cdn-static.com/uploads/4379045/normal_5fefd129af6c9.pdfIn PDF document text
- http://idealica-it.website/41983371430h52t2.pdfIn PDF document text
- https://s3.amazonaws.com/faxaxos/buwidojixukefaduv.pdfIn PDF document text
- https://s3.amazonaws.com/kikunojulejuj/93556207376.pdfIn PDF document text
- https://s3.amazonaws.com/vixuwogetiv/guarantee_ing_form.pdfIn PDF document text
- http://sreview.online/mavofamidulokexozad8yk2.pdfIn PDF document text
- https://s3.amazonaws.com/golepe/digizowojirovukugabezubu.pdfIn PDF document text
- http://datinge.site/is_there_any_nail_shop_open_todaywucxa.pdfIn PDF document text
- http://oficialshoes.site/how_many_calories_in_a_large_sonic_milkshake7rvpu.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4421039/normal_5fe1b15aaeae2.pdfIn PDF document text
- https://s3.amazonaws.com/xijalovelokolep/68141797020.pdfIn PDF document text
- http://cloudplay.xyz/samsung_top_loading_washing_machine_repair_manualzxxdw.pdfIn PDF document text
- http://uaportal.site/67976196683itrod.pdfIn PDF document text
- http://tohld.in/consumer_reports_best_dyson_vacuum8sxac.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://09ec9d85-9312-4337-94d0-b84080e05f2e.filesusr.com/ugd/ac0094_bb7047a6b1e242a8a7f614cec5d017a7.pdf?index=trueIn PDF document text
- https://dc58184e-bbba-402a-8e08-a55d552c8f3f.filesusr.com/ugd/0ebc1f_2ef832aec0b84e83b56679be4f11afec.pdf?index=trueIn PDF document text
- https://81da36f4-dec6-4bf4-836b-19ed67500659.filesusr.com/ugd/5fd5c1_6ecbfc1328874f498906c3bc65715e4e.pdf?index=trueIn PDF document text
- https://02bc4616-4eae-4b38-b2c9-0e654f754ee0.filesusr.com/ugd/069df5_8acfebee00224109b35be3fba5781e17.pdf?index=trueIn PDF document text
- https://32b33340-d9da-4ef7-b3bd-a0ac5134eb71.filesusr.com/ugd/adfa6f_51cadf7532214a3197472000d0dd0639.pdf?index=trueIn PDF document text
- https://3dcfbd4a-ef33-49dc-a04a-0aaf5307c30d.filesusr.com/ugd/b47706_d17e053f9a5f4e57a7479616851f9902.pdf?index=trueIn PDF document text
- https://1261df91-4e32-40b2-8b8a-4050d3c54cbb.filesusr.com/ugd/df69c1_64120873ecfc4047bd659f1f389366e4.pdf?index=trueIn 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_off0000ddfc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDFC | 5640 bytes |
SHA-256: f30d9e680fdf9ced38d33739acc33f15137e2d169e848741e7af269fb062451f |
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font_01_sfnt_off0000f114.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF114 | 13696 bytes |
SHA-256: 689c4a15b36a9476328ddd13185f92acf7f551243996d676b70ce2703fc41486 |
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