MALICIOUS
192
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links pointing to external PDF files hosted on numerous disposable domains, indicating a link farm for SEO manipulation or content distribution. One critical heuristic identified a link to known malicious redirector infrastructure, suggesting a potential for malicious payload delivery. The ML classifier strongly flagged this PDF as malicious.
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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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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.com/wb?keyword=apics%20cpim%20exam%20content%20manual%20version%206.0 In PDF document text
- http://files.omanroadshow.com/uploads/1/3/1/3/131380158/7738119.pdfIn PDF document text
- http://files.positiveposturenz.com/uploads/1/3/1/4/131483550/sivaf_polatafi_zuwovil.pdfIn PDF document text
- http://files.tricitydj.com/uploads/1/3/1/1/131164418/2001375.pdfIn PDF document text
- http://files.rcdesignceramics.com/uploads/1/3/1/8/131871778/4517147.pdfIn PDF document text
- http://files.arlingtonmsband.com/uploads/1/3/1/6/131606087/ddee7.pdfIn PDF document text
- http://files.mymodamuse.com/uploads/1/3/2/6/132681757/gozilokopo-goworobeb.pdfIn PDF document text
- http://files.larryssportsexchange.com/uploads/1/3/0/8/130874128/folerezome.pdfIn PDF document text
- http://files.iwstreecare.com/uploads/1/3/2/7/132740479/wogupu-zukokitoruwogog-zikezugufada-pubuzesilas.pdfIn PDF document text
- http://files.hlhas.com/uploads/1/3/1/4/131483550/wuvoxipepuzan.pdfIn PDF document text
- http://files.grcrowfamily.com/uploads/1/3/1/0/131070190/3426f7e.pdfIn PDF document text
- http://files.bishopgumbleton.com/uploads/1/3/1/3/131379371/tokasinipegog.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://nivosere.files.wordpress.com/2020/07/zuminutinox.pdfIn PDF document text
- https://zekipanepu.files.wordpress.com/2020/07/femonotapabana.pdfIn PDF document text
- https://wawinoxinej.files.wordpress.com/2020/06/60095815834.pdfIn PDF document text
- https://xidedikef.files.wordpress.com/2020/07/mexulam.pdfIn PDF document text
- https://vikotefo.files.wordpress.com/2020/06/89135633169.pdfIn PDF document text
- https://sofuvono.files.wordpress.com/2020/06/tunufonilorarulemev.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/21533622499.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/taridulozomoxekolakinuku.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/40133843423.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/78683638278.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005e88.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5E88 | 5404 bytes |
SHA-256: aa725b0bc8e8b47fb6d21775791bb4495ac9cc9b976017bc120c5689e159a903 |
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font_01_sfnt_off000070cd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x70CD | 10820 bytes |
SHA-256: 0cb7c2d1c31808aa713ce1c5331ae1bc28989339c2e5fedfe940b4a81fe5ea80 |
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