MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document contains a large number of embedded links, many of which point to disposable hosting or redirector services. The primary redirector URL is 'https://gettraff.ru/pify?keyword=whatsapp+business+free+download+for+android', suggesting a lure for potentially unwanted software. The ML classifier strongly indicated maliciousness, and the link farm structure is a common tactic for SEO poisoning and distributing malware.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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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://gettraff.ru/pify?keyword=whatsapp+business+free+download+for+android In PDF document text
- https://cdn-cms.f-static.net/uploads/4366017/normal_5f8781a963361.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4367656/normal_5f8788944249d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4367303/normal_5f87e086e81e6.pdfIn PDF document text
- https://dirigesibujov.weebly.com/uploads/1/3/0/9/130969991/tomefifi.pdfIn PDF document text
- https://pobezewimo.weebly.com/uploads/1/3/2/6/132681951/rumesipajukag.pdfIn PDF document text
- https://lasajiboz.weebly.com/uploads/1/3/1/3/131379041/midefenoruj-soxewomorogafav-nurujufegikodoj.pdfIn PDF document text
- https://dirigesibujov.weebly.com/uploads/1/3/0/9/130969991/534b8db4a.pdfIn PDF document text
- https://biwugina.weebly.com/uploads/1/3/1/1/131163984/gafuwekoseze.pdfIn PDF document text
- https://rewemekekebaz.weebly.com/uploads/1/3/1/4/131406535/sazebekijepesev-vobat-zewujon.pdfIn PDF document text
- https://jufaxexave.weebly.com/uploads/1/3/0/7/130775513/rufub.pdfIn PDF document text
- https://lixaworone.weebly.com/uploads/1/3/1/8/131871871/wimizuniku.pdfIn PDF document text
- https://vuxozajuje.weebly.com/uploads/1/3/1/3/131379873/debizikirapanas.pdfIn PDF document text
- https://tavumake.weebly.com/uploads/1/3/2/7/132740551/3587330.pdfIn PDF document text
- https://noxepelobisuse.weebly.com/uploads/1/3/1/8/131871648/2970709.pdfIn PDF document text
- https://site-1042501.mozfiles.com/files/1042501/popavewitositi.pdfIn PDF document text
- https://site-1038567.mozfiles.com/files/1038567/pabugegupi.pdfIn PDF document text
- https://site-1037091.mozfiles.com/files/1037091/lofafo.pdfIn PDF document text
- https://site-1040038.mozfiles.com/files/1040038/nadolurenu.pdfIn PDF document text
- https://site-1039666.mozfiles.com/files/1039666/62179414473.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://cdn.shopify.com/s/files/1/0436/3727/6825/files/retail_manager_resume_format.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0486/1748/8549/files/490215890.pdfIn 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_off0000643c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x643C | 5256 bytes |
SHA-256: c256391a55baab205faaee7f4b7b7a17215a03cf18171df8442328df6b842836 |
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font_01_sfnt_off00007618.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7618 | 10276 bytes |
SHA-256: 3e7eba48903adf7cd4559bf4fa5fa47dcd092c14774126de5fd3b8be0205577a |
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font_02_sfnt_off00009948.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9948 | 4324 bytes |
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34 |
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