MALICIOUS
136
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains heuristics indicating it is part of an SEO link farm and uses a redirector to lead users to external URLs. The document body, though heavily corrupted, contains text related to an HP printer, suggesting a lure. The primary URL identified, 'https://seumenha.ru/strik?utm_term=hp+photosmart+5520+ink+cartridge+missing+or+damaged', is likely the malicious destination. No scripts were extracted, but the PDF structure and embedded links strongly suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 5
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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://seumenha.ru/strik?utm_term=hp+photosmart+5520+ink+cartridge+missing+or+damaged PDF link annotation
- https://cdn.sqhk.co/jovowosifo/iHThbhh/real_japanese_claw_machine_app.pdfIn PDF document text
- https://fupuvoriru.weebly.com/uploads/1/3/4/4/134494751/2572857.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4379038/normal_5ff15ba4522bf.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4459054/normal_602ae284ccf4d.pdfIn PDF document text
- https://cdn.sqhk.co/gawagunikuw/ibKjbhi/vimeliwiket.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4421051/normal_5fed76a0d041c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366389/normal_6026d86d2f17a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369655/normal_60289f2970d4c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4371786/normal_6017897899ea8.pdfIn PDF document text
- https://kofudisefases.weebly.com/uploads/1/3/4/0/134018526/zagowosigesoguz.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4476135/normal_601ba3da3490e.pdfIn PDF document text
- https://tudaxuvogune.weebly.com/uploads/1/3/6/0/136082380/rarugopevofita.pdfIn PDF document text
- https://puzifisabu.weebly.com/uploads/1/3/1/3/131378936/c7364.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/fowikorejodi/android_attendance_app_for_teachers.pdfIn PDF document text
- https://s3.amazonaws.com/vofadoloves/automobile_vehicle_parts.pdfIn PDF document text
- https://s3.amazonaws.com/timeziso/pakebaguro.pdfIn PDF document text
- https://s3.amazonaws.com/sesijesule/namo_app_apk.pdfIn PDF document text
- https://s3.amazonaws.com/bawalidamovidud/cetoacidosis_diabetica_y_estado_hiperosmolar_2016.pdfIn PDF document text
- https://s3.amazonaws.com/tidigudetefumof/audyt_energetyczny_domu_jednorodzinnego.pdfIn PDF document text
- https://s3.amazonaws.com/zibenoroduzuw/wows_chapayev_guide.pdfIn PDF document text
- https://s3.amazonaws.com/pekatikisuruki/gujurorofif.pdfIn PDF document text
- https://s3.amazonaws.com/jebupofedijakuk/behaviorally_anchored_rating_scales_performance_appraisal.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_off0000f1fe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1FE | 5876 bytes |
SHA-256: 6165a5facfbd7c65fb83eb6e9138f4f49d099803e4b6be6cbb31e2c3fcdc3a5e |
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font_01_sfnt_off000105da.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105DA | 10804 bytes |
SHA-256: aa20093758ff8c28adbd081de988e79025155bb5fab5e35f6f01dbc930aaf736 |
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