MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains a high number of external links, many pointing to SEO-optimized content, suggesting a link farm or phishing campaign. The primary malicious URL identified is https://jacksth.ru/award?keyword=pdf+editor+join+pages, which is flagged as a redirector for a 'free-download phishing' lure. ClamAV also detected this file as 'Pdf.Phishing.Trojan'. No scripts were extracted, but the structure and heuristics strongly indicate a phishing or malicious redirection attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://jacksth.ru/award?keyword=pdf+editor+join+pages PDF link annotation
- https://cdn.sqhk.co/pumafuki/fje7Jhg/dizirojabuxejum.pdfIn PDF document text
- https://domisupufiz.weebly.com/uploads/1/3/5/3/135316273/kitesa.pdfIn PDF document text
- http://premial.su/wazomamukenogipefubezufsfyb3.pdfIn PDF document text
- https://cdn.sqhk.co/xojelumegasi/SR5Uhg3/nezemulusumokoxexasadilok.pdfIn PDF document text
- http://therarbooks.com/azur_lane_laffey_retrofit_guidebzvca.pdfIn PDF document text
- http://rankingcoach-apps.com/vixomaranilubaxet5jz.pdfIn PDF document text
- https://deremorukoj.weebly.com/uploads/1/3/4/4/134490203/turuzuto-majuxifu-fubapuwolemere-diforarodat.pdfIn PDF document text
- https://cdn.sqhk.co/retesixabe/eqhgBhc/walmart_inhome_delivery_reviews.pdfIn PDF document text
- https://cdn.sqhk.co/takularozo/b0NjgqY/selfie_with_billie_eilish_billie_eilish_wallpaper_iphone.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://uploads.strikinglycdn.com/files/a96fde21-34e5-4767-b33e-9421d87bd760/let_it_rain_in_spanish.pdfIn PDF document text
- https://s3.amazonaws.com/zepifudoxapo/36880653643.pdfIn PDF document text
- https://s3.amazonaws.com/fexuror/laravel_email_template_builder.pdfIn PDF document text
- https://s3.amazonaws.com/wuniku/65133247189.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1a5fd3d5-d773-4f6b-8363-3db4df467058/avoiding_sentence_fragments_and_run_on_sentences_worksheets.pdfIn PDF document text
- https://s3.amazonaws.com/dinilederu/wujefoduzijinidadijaporej.pdfIn PDF document text
- https://s3.amazonaws.com/polojuliragam/68464655001.pdfIn PDF document text
- https://s3.amazonaws.com/sirilagewuga/42373390275.pdfIn PDF document text
- https://s3.amazonaws.com/povelenavuviw/14th_finance_commission_full_report.pdfIn PDF document text
- https://s3.amazonaws.com/wupuxus/value_education_meaning_in_tamil.pdfIn PDF document text
- https://s3.amazonaws.com/xeropizuwe/67349492102.pdfIn PDF document text
- https://s3.amazonaws.com/tetenifeme/how_many_calories_in_klondike_ice_cream_sandwich.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e341.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE341 | 5044 bytes |
SHA-256: 6474e7a730da3f4dae4eef77c9c1c0bdf3f35c85a67b29097ab41e464ce1d2d1 |
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font_01_sfnt_off0000f474.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF474 | 10236 bytes |
SHA-256: a923c95dcaaf3025e5228851bb5fc021c0c512f50637eca621494e24ac05def0 |
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font_02_sfnt_off0001178d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1178D | 4324 bytes |
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
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