MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of external links, identified as a link farm, with many pointing to disposable hosting. ClamAV and an ML classifier flagged this file as malicious, specifically as a phishing trojan. While no scripts were extracted, the structure and numerous external URLs suggest a malicious intent, likely to distribute malware or lead users to phishing sites.
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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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://botokaw.ru/award?keyword=que+es+un+aneurisma+pdf PDF link annotation
- https://cdn-cms.f-static.net/uploads/4445558/normal_5fd1dbad6d5c2.pdfIn PDF document text
- http://gobigs.space/how_to_tighten_bobbin_tensionojqj5.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4406482/normal_5fcd3957635a4.pdfIn PDF document text
- https://bafuzonexive.weebly.com/uploads/1/3/0/7/130739369/zunenuto_lexinivesabo.pdfIn PDF document text
- http://kraftmann.su/law_of_floatation45esp.pdfIn PDF document text
- https://pejilajapife.weebly.com/uploads/1/3/4/4/134477767/9314261.pdfIn PDF document text
- https://robaralimojo.weebly.com/uploads/1/3/0/8/130814718/ae2a901bb9dfd6.pdfIn PDF document text
- https://pimuvetu.weebly.com/uploads/1/3/4/6/134635596/2142372.pdfIn PDF document text
- http://politach.com/nbconvert_python_tokxhzv.pdfIn PDF document text
- https://nasipowo.weebly.com/uploads/1/3/1/3/131383467/kagip.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4410678/normal_605a59a6b59f5.pdfIn PDF document text
- http://update-win20.online/monatuguruzexckeyu.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4453890/normal_60302f6235e00.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4449395/normal_6001db406a11e.pdfIn PDF document text
- http://retys.space/lifixutidf3tj.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://3d7304b5-8527-495f-b913-615d6f357a43.filesusr.com/ugd/ef7486_1187c03cd55a42aaa6e936d77f842947.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/e82cc2a7-dd41-44ca-8978-ffe48fd7e94e/fig_code_of_points_2017_womens_artistic_gymnastics.pdfIn PDF document text
- https://2c5ec8d5-f9c1-4d2e-b5af-57fc4572578a.filesusr.com/ugd/7e0eb0_efef951ed11b46c5b279d8890f259b5e.pdf?index=trueIn PDF document text
- https://01d67eed-50ba-4ccb-8f82-c1581f7ed07e.filesusr.com/ugd/e3325f_dd0c5039faca43f8b8f4e710a8b10752.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/ad11ce5a-49e0-4b18-8da1-a95baf439f20/how_much_does_it_cost_to_replace_a_refrigerator_compressor_uk.pdfIn PDF document text
- https://75a697d3-84f0-44cf-bab9-f05e37020c50.filesusr.com/ugd/7c3584_c206b36879ee4126b2a290366cbaa6b9.pdf?index=trueIn 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_off00012927.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12927 | 5216 bytes |
SHA-256: 58758da6ff0335d3c3db5e5a10d51579c517d2c2c63f8b82808c9fb46b5c7953 |
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font_01_sfnt_off00013acd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13ACD | 14328 bytes |
SHA-256: 7209447afb2a66ee163b53d743c4d04db4caa98524fa70bc2bb9f4cc80979791 |
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