MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document is identified as a credential phishing lure impersonating Facebook. It contains a large number of external links, many hosted on disposable domains, suggesting a link farm designed to obscure the ultimate destination. The primary malicious URL identified is https://ribigitapupag.weebly.com/uploads/1/3/4/8/134887221/b236df.pdf, which is part of a redirection chain. No scripts were extracted, but the PDF structure and numerous external links strongly indicate a phishing attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
Heuristics 6
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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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Brand-impersonation credential phishing lure critical SE_BRAND_CREDENTIAL_PHISHDocument impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: action link to abused redirector https://ribigitapupag.weebly.com/uploads/1/3/4/8/134887221/b236df.pdf.
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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://trafffe.ru/aws?utm_term=android+republic+optc+jp PDF link annotation
- https://static.s123-cdn-static.com/uploads/4414695/normal_5fe387fe99726.pdfIn PDF document text
- https://ribigitapupag.weebly.com/uploads/1/3/4/8/134887221/b236df.pdfIn PDF document text
- https://leziwave.weebly.com/uploads/1/3/4/4/134446015/f26cac55e24e1.pdfIn PDF document text
- https://xujaxivef.weebly.com/uploads/1/3/1/4/131438557/b15c402.pdfIn PDF document text
- https://suganolorifumu.weebly.com/uploads/1/3/0/8/130814011/be402923e4.pdfIn PDF document text
- https://jarofuzaduse.weebly.com/uploads/1/3/4/5/134502270/e98fd19ac3f5.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369511/normal_5f8d2b983ab86.pdfIn PDF document text
- https://tixanesel.weebly.com/uploads/1/3/4/2/134234664/991c7018aebcfa4.pdfIn PDF document text
- https://paxesejok.weebly.com/uploads/1/3/4/3/134348383/rexaselibiniv.pdfIn PDF document text
- https://mimitokiwunas.weebly.com/uploads/1/3/4/0/134012498/dilafalesob.pdfIn PDF document text
- https://zewobukepefew.weebly.com/uploads/1/3/4/4/134485556/4847982.pdfIn PDF document text
- https://cdn.sqhk.co/lilapanorup/jOjegfL/60743669706.pdfIn PDF document text
- https://venepefo.weebly.com/uploads/1/3/4/6/134666716/7a2aa.pdfIn PDF document text
- https://jajipovel.weebly.com/uploads/1/3/4/5/134527293/cc4ba3.pdfIn PDF document text
- https://rupogasonewu.weebly.com/uploads/1/3/4/6/134653860/7506595.pdfIn PDF document text
- https://cdn.sqhk.co/latipizi/NggC1Wd/56319575119.pdfIn PDF document text
- https://kezagoguz.weebly.com/uploads/1/3/4/1/134131769/guxomufoxubibaperi.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001a852.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1A852 | 4276 bytes |
SHA-256: 32ec706d83bcdf53cd4ac31a6a73e540b28bd3aa37528781d994c90e00bb8005 |
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font_01_sfnt_off0001b76a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1B76A | 4884 bytes |
SHA-256: b57682a106b8d1db998fbc2c4c854c83aa69326a04499d3d0a00dbeb2ea3dd31 |
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font_02_sfnt_off0001c809.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1C809 | 3312 bytes |
SHA-256: 77b06a6d19a58438046ec46bf6f9204dfafdae27f1dd5c2c422f1d123b46c916 |
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font_03_sfnt_off0001d605.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1D605 | 12512 bytes |
SHA-256: e64b91c162e1b28928025fdff0307b5cb064959b2bd33fb7fb308965d7f59269 |
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