MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a significant number of external links, many of which point to SEO-optimized PDF files, indicating a link farm. One prominent URL, 'https://bologen.ru/strik?utm_term=decision+tree+template+powerpoint', acts as an SEO redirector, suggesting a phishing or malware distribution lure. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware delivery.
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://bologen.ru/strik?utm_term=decision+tree+template+powerpoint PDF link annotation
- http://jewofuvivonog.getenjoyment.net/effective_public_relations_11th_edition.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4369502/normal_5ff5ea29412ee.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4373987/normal_5fe1ef36bc2c0.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4454575/normal_5fcd1001c9348.pdfIn PDF document text
- http://wupozigujoruzar.22web.org/aviation_weather_faa_advisory_circular_ac_00_6b.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4504568/normal_6001d6a7c697b.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4490001/normal_60044f737738e.pdfIn PDF document text
- http://legexebe.medianewsonline.com/38663115298.pdfIn PDF document text
- http://lakuberik.mywebcommunity.org/pajitenuwefizenevi.pdfIn PDF document text
- https://lufukosiresefo.weebly.com/uploads/1/3/4/7/134707539/ronamafudilum-wedojerubizij-nuxufafozobame-lamenafakorava.pdfIn PDF document text
- http://lupazul.mywebcommunity.org/20110635939.pdfIn PDF document text
- https://taxurazuzar.weebly.com/uploads/1/3/4/0/134042721/magamusuna_gadifolitaradu.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/risalenefazozo/vujuvibipinevi.pdfIn PDF document text
- http://tukorokibenej.epizy.com/board_of_directors_minutes_form.pdfIn PDF document text
- https://s3.amazonaws.com/tutasujal/jabafasosewagikositofe.pdfIn PDF document text
- https://s3.amazonaws.com/jiwotarotavuz/los_emisarios_alvaro_mutis.pdfIn PDF document text
- https://2b12d24f-0c9a-4a32-b427-430aba395f0c.filesusr.com/ugd/6cfe90_407b91fc68614e749f03f322e90ca99c.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/sedowedi/sunbeam_heated_blanket_microplush_10_heat.pdfIn PDF document text
- http://gosaduzunake.myartsonline.com/traduire_anglais_franais.pdfIn PDF document text
- https://7915398d-c9c2-4241-abdb-40cf742e4b8d.filesusr.com/ugd/d4df0f_24455cdb0b354599a71efbfdc3c3786d.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/zepifudoxapo/sosibiv.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_off0000e9ae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9AE | 5172 bytes |
SHA-256: eeca222e17ff31097a308bd3b105bd10923c9aec8722e73cab0c1f0ca38003a6 |
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font_01_sfnt_off0000fb42.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB42 | 11192 bytes |
SHA-256: 63c5b959cccf810914c133a4dbe4c74feecd06ad41688b5d1705389907319d1f |
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