MALICIOUS
236
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
The PDF contains numerous external links, including a prominent one to 'jumiwimov.ru' disguised as a lure for discount codes. Heuristics indicate this is a social-engineering tactic to trick users into installing malicious browser extensions or viewers, a common path for credential theft or malware installation. The ML classifier and ClamAV detection strongly suggest malicious intent, likely involving exploitation to execute a payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9979
Heuristics 7
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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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Browser extension / update installation lure high SE_BROWSER_INSTALL_LUREDocument tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
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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://jumiwimov.ru/wix?keyword=stockx+discount+codes+for+shoes PDF link annotation
- https://cdn-cms.f-static.net/uploads/4526930/normal_6033dc7947025.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4393506/normal_5ff03f369e9ab.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4370062/normal_605a2d499c9fb.pdfIn PDF document text
- https://diwopoko.weebly.com/uploads/1/3/4/5/134597367/3a0f01be2ad18.pdfIn PDF document text
- https://lodavoxi.weebly.com/uploads/1/3/4/5/134505118/wusibubo-vafesum-xavumiv.pdfIn PDF document text
- https://babiweperes.weebly.com/uploads/1/3/5/3/135347107/5986474.pdfIn PDF document text
- https://dojibabebane.weebly.com/uploads/1/3/2/6/132682208/gorotisazijemub_xaxomul_rokuz_lafabiw.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4527164/normal_604f20581ae18.pdfIn PDF document text
- https://butegipabozu.weebly.com/uploads/1/3/4/2/134235803/9758914.pdfIn PDF document text
- https://xizirasifeda.weebly.com/uploads/1/3/4/3/134344010/1499962.pdfIn PDF document text
- https://wozomeki.weebly.com/uploads/1/3/0/7/130776066/1140211.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4416806/normal_6012d031d2408.pdfIn PDF document text
- https://buveziketi.weebly.com/uploads/1/3/1/3/131398526/6cde3fc8016c6ba.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4370560/normal_5fe75a18491cf.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4428061/normal_60404d5ba2f04.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/fadadedezeker/lapidom.pdfIn PDF document text
- https://s3.amazonaws.com/xapidajovaji/cha_cha_dance_performance.pdfIn PDF document text
- https://s3.amazonaws.com/tubukeganuji/android_apk_games_like_summertime_saga.pdfIn PDF document text
- https://s3.amazonaws.com/towakog/ginunoze.pdfIn PDF document text
- https://s3.amazonaws.com/niwotipugonuvoz/area_of_triangle_parallelogram_trapezoid_worksheet.pdfIn PDF document text
- https://s3.amazonaws.com/vukujidor/arijit_singh_love_songs_songspk.pdfIn PDF document text
- https://s3.amazonaws.com/nakevoja/maths_book_solution_for_class_8_ncert.pdfIn PDF document text
- https://s3.amazonaws.com/viboxikuz/sample_tenant_background_check_form.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010f64.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F64 | 18404 bytes |
SHA-256: e372fe2b5fadf128f59033bebcf7f047f297114e5b269810777278008ce62221 |
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font_01_sfnt_off00014550.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14550 | 5104 bytes |
SHA-256: 6e05d76445498f8ecef0a5cd4a0a601fc06a5135cee68adcd74b102980eb2e7b |
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font_02_sfnt_off000156ad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x156AD | 12528 bytes |
SHA-256: 447b1c6d8ceaf107d0987db9383b57cf5ee264d91a6b998b3a467594b994e997 |
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font_03_sfnt_off00018172.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18172 | 16204 bytes |
SHA-256: 541fa2b6826b0add99b7d5a173ef1e6a5567607b5192f75b810eb17d6a563501 |
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