MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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://bologen.ru/strik?utm_term=why+is+the+vdc+off+light+on PDF link annotation
- https://cdn.sqhk.co/madufuxenuw/vjdihUd/top_up_genshin_impact.pdfIn PDF document text
- http://kitazixozakabu.sportsontheweb.net/kusufu.pdfIn PDF document text
- https://cdn.sqhk.co/jigixomavola/iSB7Rhd/webtoon_promo_codes_2020_august.pdfIn PDF document text
- https://cdn.sqhk.co/puxolika/b4Rgg1G/download_zombie_hq_apkpure.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4414696/normal_6023d6de907a1.pdfIn PDF document text
- https://cdn.sqhk.co/letarezetap/2fjdugc/candomble_religion.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4365649/normal_601cba5929c68.pdfIn PDF document text
- http://fukiwurezopukof.mywebcommunity.org/deforestation_solutions.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4498842/normal_6000f6628cc6f.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://mifotabelimudon.myartsonline.com/96292480516.pdfIn PDF document text
- https://4c982f7a-b72b-446d-8c7a-5e2d6818c0db.filesusr.com/ugd/519a61_2f4e8f6eb7684381bf61c872151b1dec.pdf?index=trueIn PDF document text
- https://f635e5d9-31b1-4f19-b758-7a623be10181.filesusr.com/ugd/6cf0f5_6bbbccd000ea40cf84c20d80e19feae4.pdf?index=trueIn PDF document text
- https://eee5dff6-7331-416e-acdf-593d0c386862.filesusr.com/ugd/21e9e0_804b81185ab74503842b0b0155ffc938.pdf?index=trueIn PDF document text
- https://091a8774-b5bd-4fb7-8799-8d1ca0ca44ad.filesusr.com/ugd/8716ab_66a3ac5989e6419e8ea9dd0359c8fad1.pdf?index=trueIn PDF document text
- https://34e223d5-b18a-4f89-96b3-7c58aa965d90.filesusr.com/ugd/440e29_d6521324c9634a4bb6891bffa6b828fa.pdf?index=trueIn PDF document text
- https://99470c7d-c692-4648-a7b8-36ea19db2883.filesusr.com/ugd/ab059d_091ea6c7b75e414dad09c64cd8d39f30.pdf?index=trueIn PDF document text
- https://6d8b2927-5c4d-40df-b593-c6bd35e19528.filesusr.com/ugd/1adac8_2b845d48d0e24c15b8cd1b7d2e63e93f.pdf?index=trueIn PDF document text
- https://23fe9111-5aa3-4288-b7a4-a84c242bb647.filesusr.com/ugd/d35b85_8dd8809d04fd4adf9507d74131333983.pdf?index=trueIn PDF document text
- https://82c1a4a6-0aea-44ab-842b-07cb5bdde860.filesusr.com/ugd/aafee9_34947f90198c4a688c57c2847c56365d.pdf?index=trueIn PDF document text
- https://c7f0abc7-d23b-482d-bd16-0771495bb668.filesusr.com/ugd/bb13a2_15cf4fd12eb340419a654ab208776dd0.pdf?index=trueIn PDF document text
- http://ratobewiwigu.atwebpages.com/average_salary_of_a_microbiologist_uk.pdfIn PDF document text
- https://33da92c3-26de-4f6b-bf12-1693cb6a6e79.filesusr.com/ugd/0307f2_09f03175faaa43fdb25334e6a9cd13da.pdf?index=trueIn PDF document text
- https://8271b8e8-1520-4b18-8785-2fafc8cd33e6.filesusr.com/ugd/efc97f_37a68bac8e3f4464ae8f5a1cc7f85f9c.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_off0000ed9c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED9C | 5152 bytes |
SHA-256: dc6b11ccea1093f84e331f5eb112d0849df6d368eaeebc48b263e6c7311b779c |
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font_01_sfnt_off0000ff48.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF48 | 10360 bytes |
SHA-256: 8581f364551d31a975c062fa3094970ca5b43d7f21cb32f6800db7addadd9173 |
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