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 0.9996
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://gimoguvi.ru/award?keyword=wearable+biosensors+for+healthcare+monitoring+pdf PDF link annotation
- https://cdn.sqhk.co/kenujowemi/2jjfijo/14740179493.pdfIn PDF document text
- http://rewita.fun/87710560539k6d92.pdfIn PDF document text
- https://cdn.sqhk.co/dedogupazib/jiH1cgi/transfer_content_apps_for_iphone.pdfIn PDF document text
- https://revasarubon.weebly.com/uploads/1/3/5/2/135295272/ff2ee562852.pdfIn PDF document text
- https://cdn.sqhk.co/pobopuwubox/hgheggd/7591823232.pdfIn PDF document text
- https://cdn.sqhk.co/wuzexesetaba/phdliji/56144544199.pdfIn PDF document text
- https://tolejavufagus.weebly.com/uploads/1/3/1/4/131437822/f2325f9.pdfIn PDF document text
- https://vedabigejiko.weebly.com/uploads/1/3/1/4/131438046/dudojefig.pdfIn PDF document text
- https://fidifeso.weebly.com/uploads/1/3/1/4/131408027/9581500.pdfIn PDF document text
- https://cdn.sqhk.co/pimabosi/hg73CZO/jiponimagojisu.pdfIn PDF document text
- http://kmikaerfs.ru/mimivizunapqndm.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4443619/normal_6039fe622fb5e.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4490123/normal_6002b7cd7acf2.pdfIn PDF document text
- https://cdn.sqhk.co/vawadawuleja/fziijly/26476082826.pdfIn PDF document text
- https://cdn.sqhk.co/jizapamilizo/gdicify/grocery_shopping_list_template_word.pdfIn PDF document text
- https://goponubinolofuv.weebly.com/uploads/1/3/4/6/134695307/7026694.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://86908e24-11f3-43a1-9346-bf531f45ee0b.filesusr.com/ugd/97493d_f7544dfab0fa431ba9d12dd148b1c08b.pdf?index=trueIn PDF document text
- https://5ee0d2ad-6486-47ce-ab7d-0e7b2bae4193.filesusr.com/ugd/bc0d1e_b7c6d7feb40242a3ac33ecc2e8838a07.pdf?index=trueIn PDF document text
- https://387a498e-9551-4239-9507-3183ba214552.filesusr.com/ugd/cd403b_845c38d06d9e4dc6b9f2fcd71e0d0d9f.pdf?index=trueIn PDF document text
- https://84d5b3ab-51dd-4312-87b7-51df18fb3b26.filesusr.com/ugd/9ea9b6_c2d637ed8aa34a83aa17b111a81ed5b8.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001d8de.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1D8DE | 5512 bytes |
SHA-256: 8824eb050dc9b12feb58ca029a7be3b5ca8434644a752e72c8504468ed8aa50b |
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font_01_sfnt_off0001eb6e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1EB6E | 12080 bytes |
SHA-256: 1a025c8d025c5be726da11f1aa59aff81d946007115ff6323a8c6d58432cc121 |
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font_02_sfnt_off00021315.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x21315 | 4324 bytes |
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3 |
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