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 0.9997
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://jumiwimov.ru/strik?utm_term=how+to+descale+a+starbucks+barista+espresso+machine PDF link annotation
- https://gafeziluwer.weebly.com/uploads/1/3/4/3/134310472/guxulafe.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4416500/normal_6002d5f43fa2c.pdfIn PDF document text
- https://joxunirefebemi.weebly.com/uploads/1/3/4/3/134319414/dijuwibukatitukaw.pdfIn PDF document text
- https://mabobuloxulekev.weebly.com/uploads/1/3/4/6/134692970/7310733.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4470678/normal_5fd89be4b411e.pdfIn PDF document text
- https://zetakopazo.weebly.com/uploads/1/3/5/3/135351561/dupikuderefaw.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4454807/normal_602aea73c0885.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4419001/normal_60122f7c3f7db.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4489734/normal_5fccef3a6c932.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4426810/normal_5fddbcca0d668.pdfIn PDF document text
- https://zikosale.weebly.com/uploads/1/3/4/0/134013107/mutumurereja.pdfIn PDF document text
- http://torarofuzavu.22web.org/xuvas.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4368250/normal_5fc6908723631.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://tetedar.epizy.com/public_speaking_and_civic_engagement_free.pdfIn PDF document text
- http://vojevawe.epizy.com/yakuza_0_telephone_cards_guide.pdfIn PDF document text
- http://wibukosumasej.rf.gd/48714126841.pdfIn PDF document text
- https://38f9ccf9-db33-4582-994d-0ea518e52d38.filesusr.com/ugd/368de4_3e50ce4c032c4378bad8f9b2df59c769.pdf?index=trueIn PDF document text
- https://3d7c42e8-cad9-4196-8f3c-0f210fd97588.filesusr.com/ugd/1b7c00_7fcbbc242d494ae89535e6f565284c81.pdf?index=trueIn PDF document text
- https://7f03322d-63d6-449b-a8c2-a80beffeb2b6.filesusr.com/ugd/2994dd_314de1dc943143cbbca676ee8d141227.pdf?index=trueIn PDF document text
- http://mavavopem.rf.gd/75349278945.pdfIn PDF document text
- https://6c892e0d-5736-4b4a-96a3-cd490fd1fe3d.filesusr.com/ugd/1407cd_b177033cdc5b4574afc15f1f5c247047.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_off000128a8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x128A8 | 5572 bytes |
SHA-256: e60a980738720d733b7d4a75d0399c96ee861c2f4123b5d88f8b051dc22637a3 |
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font_01_sfnt_off00013b77.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13B77 | 10828 bytes |
SHA-256: 48031d5535e0b55f8a2288932b183346d43e3344ed3528ea5352279f23478aa5 |
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