MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains a large number of external links, many hosted on disposable domains, suggesting a link farm or SEO manipulation tactic. The primary URL, 'https://gimoguvi.ru/strik?utm_term=how+can+i+learn+chinese+by+myself', is presented as a lure. ClamAV and ML classifiers strongly indicate maliciousness, consistent with phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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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://gimoguvi.ru/strik?utm_term=how+can+i+learn+chinese+by+myself PDF link annotation
- https://static.s123-cdn-static.com/uploads/4443292/normal_5fccd1002c70c.pdfIn PDF document text
- https://kilewesiviteki.weebly.com/uploads/1/3/1/1/131163613/gakugodepaxeb.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4453335/normal_606bd64086e9b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4393911/normal_605245278ff94.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4499653/normal_604aed1eca8d3.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4447253/normal_600130342f122.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4455894/normal_6054787e1c077.pdfIn PDF document text
- https://cdn.sqhk.co/zutomina/ejiTiGR/84184504923.pdfIn PDF document text
- https://wifadesar.weebly.com/uploads/1/3/5/3/135345928/9613258.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4486193/normal_60653cb03d8c4.pdfIn PDF document text
- https://munopufunorari.weebly.com/uploads/1/3/4/8/134881547/ad8b2778343098.pdfIn PDF document text
- https://cdn.sqhk.co/ruxuvedije/o10ighf/cake_balls_recipe_with_cream_cheese.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4380213/normal_6000896091173.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/timeziso/voxavix.pdfIn PDF document text
- https://3a00e800-a8eb-44ae-aafc-ae9aecab8e06.filesusr.com/ugd/1715bf_bed0b287601f4d0d83cc9d2205d081ed.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/mukutud/what_are_the_3_types_of_intermolecular_forces_and_what_are_the_differences_between_them.pdfIn PDF document text
- https://e79dab91-b8ca-4f03-a7cf-74564eaa1d8a.filesusr.com/ugd/009cd4_85b214515cb84fdaa238871b5e0c4829.pdf?index=trueIn PDF document text
- https://d5cf7a15-73c9-49c9-ad57-d4f0303abb0c.filesusr.com/ugd/0d002d_d1eeb47a65b542fba1eb52a182fac41e.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/wetevali/netflix_series_en_macbook.pdfIn PDF document text
- https://s3.amazonaws.com/xeruxaxer/candy_crush_soda_saga_hack_android.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_off0000eda4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDA4 | 3720 bytes |
SHA-256: f65b13e2922e7618a62dcbebfa53a1c398851790a9e5aef4ecd2e79a62a71b37 |
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font_01_sfnt_off0000fad6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFAD6 | 5416 bytes |
SHA-256: d3e13797fdd730ad0ca800a19b3584e8baa64426955b82f26431cc236e29d1fe |
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font_02_sfnt_off00010d2d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D2D | 11116 bytes |
SHA-256: 0b775b716e0920308f3c856ca5e0fa9efafa7f720276087f51a04e03c14555a2 |
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