MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous external links, with a critical heuristic identifying it as an SEO link farm and a high-confidence heuristic flagging it as an image lure linking to an SEO redirector. The primary malicious URL identified is https://soxebez.ru/strik?utm_term=olivetti+lettera+32+ribbon+change, which is likely used for phishing or to serve a second-stage payload. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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://soxebez.ru/strik?utm_term=olivetti+lettera+32+ribbon+change PDF link annotation
- http://gallery-shop.site/53041330432t65bf.pdfIn PDF document text
- http://lnstagram-copyright-supports.com/dowadejoxugemm56m.pdfIn PDF document text
- http://wogivodugakovek.mygamesonline.org/samsung_s4_mini_battery_mah.pdfIn PDF document text
- http://katermore.ru/honda_hs928_service_manualibfe5.pdfIn PDF document text
- http://kixurox.getenjoyment.net/psicologia_de_la_motivacion_uned_libro.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/kisimujuk/73152399094.pdfIn PDF document text
- https://s3.amazonaws.com/pegebunov/accident_investigation_report_format_india.pdfIn PDF document text
- https://s3.amazonaws.com/bovenotojitowe/49070226915.pdfIn PDF document text
- https://s3.amazonaws.com/pirosisob/rumixa.pdfIn PDF document text
- https://5457524e-bace-410a-9ce7-c8d8bc0eedea.filesusr.com/ugd/f0ffd0_1a223bcd0f244769a690640f48cbe34f.pdf?index=trueIn PDF document text
- http://bokepomi.onlinewebshop.net/67168373348.pdfIn PDF document text
- https://s3.amazonaws.com/lanorolowu/geribidigoluzezozapuvu.pdfIn PDF document text
- https://s3.amazonaws.com/resisuna/colonoscopy_surveillance_guidelines_polyp.pdfIn PDF document text
- https://s3.amazonaws.com/tufitijinexu/black_and_decker_sanding_sheets_b_q.pdfIn PDF document text
- https://s3.amazonaws.com/fibesezati/financial_report_analysis_meaning.pdfIn PDF document text
- https://s3.amazonaws.com/retisovojor/antivirus_kaspersky_2019.pdfIn PDF document text
- https://s3.amazonaws.com/xepululejiwof/best_performing_managed_funds_in_australia.pdfIn PDF document text
- https://acfc0e76-311d-46af-9c13-f46c112eb424.filesusr.com/ugd/f90bad_2a63cfd30e1140feaf561233f4873316.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/juzowilipi/apple_icloud_for_pc.pdfIn PDF document text
- https://s3.amazonaws.com/setikizo/99310836831.pdfIn PDF document text
- https://s3.amazonaws.com/savifin/toxisunu.pdfIn PDF document text
- https://s3.amazonaws.com/juzowilipi/88076488312.pdfIn PDF document text
- http://kaxuwenewutexu.myartsonline.com/42532681080.pdfIn PDF document text
- https://s3.amazonaws.com/dobikasukavu/soteso.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_off0000f27e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF27E | 5408 bytes |
SHA-256: 6ea372dc4693a67bbf541985d11af6a4f8d00c2e76a6910d0a2ef7a10e39dede |
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font_01_sfnt_off000104e2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104E2 | 11552 bytes |
SHA-256: adf9a955982f37c074f98b89ef4960e5e3a9b83c1318b17bed82df774591b75f |
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