MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, many pointing to disposable hosting services, and one critical link identified as a malicious redirector. The heuristic 'SE_BRAND_CREDENTIAL_PHISH' specifically flags this as a Facebook impersonation lure, directing users to a malicious redirector. The presence of multiple PDF links suggests a link farm strategy, likely to improve search engine ranking or distribute malicious content. The ML classifier strongly supports the malicious nature of this PDF.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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://babinekisifuve.weebly.com/uploads/1/3/2/6/132696104/e9080373b.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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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://ttraff.me/123?keyword=liker+like+machine+apk In PDF document text
- https://cdn-cms.f-static.net/uploads/4380699/normal_5f8b88e5583b5.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4370269/normal_5f8a5a1e314f3.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366653/normal_5f8a859719fc7.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4365642/normal_5f872cab5edfd.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366020/normal_5f8a15c694630.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4365586/normal_5f870830e52f7.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4367667/normal_5f8b46bb32a80.pdfIn PDF document text
- https://babinekisifuve.weebly.com/uploads/1/3/2/6/132696104/e9080373b.pdfIn PDF document text
- https://wojedebaroz.weebly.com/uploads/1/3/1/6/131637691/f15cfa599048c6.pdfIn PDF document text
- https://runebipunozup.weebly.com/uploads/1/3/1/4/131406604/2937030.pdfIn PDF document text
- https://jugoruzaja.weebly.com/uploads/1/3/1/4/131407370/577277.pdfIn PDF document text
- https://vozunutav.weebly.com/uploads/1/3/0/9/130969695/63d400e.pdfIn PDF document text
- https://jarapitoxedomel.weebly.com/uploads/1/3/1/4/131437170/4517271.pdfIn PDF document text
- https://pimetagedipimop.weebly.com/uploads/1/3/1/6/131636886/9927719.pdfIn PDF document text
- https://givexikiduxa.weebly.com/uploads/1/3/1/3/131398224/purapi.pdfIn PDF document text
- https://jawasolasazilem.weebly.com/uploads/1/3/1/3/131379174/sefaritonos-nukivafeka-retisebop-regaxumex.pdfIn PDF document text
- https://gikoberi.weebly.com/uploads/1/3/0/9/130969260/2cc3c056dd7b9f3.pdfIn PDF document text
- https://gukaguse.weebly.com/uploads/1/3/1/3/131398473/1836762.pdfIn PDF document text
- https://jakedekokobara.weebly.com/uploads/1/3/1/3/131381480/8536469.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000059b1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x59B1 | 5000 bytes |
SHA-256: fd45c78044dc288e0c42fcf655ac01941b9cf3f16dbe755c0c1fd1cccf0db582 |
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font_01_sfnt_off00006a8a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6A8A | 13944 bytes |
SHA-256: fb97f4ca4f30b96468d4911e9fb22da4b915400d9d44764acc957fb681047b38 |
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