MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious File
This PDF file exhibits characteristics of a link farm, directing users to a large number of external PDF documents hosted across various domains. The ML classifier strongly indicated maliciousness, and the PDF_SEO_LINK_FARM heuristic confirms the presence of a mass external link farm. The embedded URLs are likely part of a scheme to distribute further malicious content or engage in SEO manipulation for malicious purposes.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 4
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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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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 http://stratford-hvac.com/uploads/1/3/0/2/130270873/130270873.html#gunmetal+steel+sheet PDF link annotation
- http://icygaze.com/uploads/1/3/0/6/130640070/kinibux_gopopopovemaj_gisepuxanaru.pdfIn PDF document text
- http://storybrooksentertainment.com/uploads/1/3/1/3/131381891/numawabekabug_vokifagumax.pdfIn PDF document text
- http://vitalitymedicalinfusion.com/uploads/1/3/1/6/131606473/vupapifolaw-raferad-xudirafuropov-fazaputosose.pdfIn PDF document text
- http://drkrys.com/uploads/1/3/0/8/130873947/vadololokazag.pdfIn PDF document text
- http://maxvenus.com/uploads/1/3/0/6/130622116/b59228f03780d07.pdfIn PDF document text
- http://thomaserandall.ca/uploads/1/3/0/5/130589040/5468584.pdfIn PDF document text
- http://sjaysphotography.com/uploads/1/3/0/8/130813320/5aca6cc02eaf.pdfIn PDF document text
- http://emcrii.com/uploads/1/3/0/7/130739661/d168cb.pdfIn PDF document text
- http://menzelcoaching.com/uploads/1/3/1/8/131871466/fonedejevogus.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 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005149.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5149 | 9512 bytes |
SHA-256: 1dc0b3be89f572936034cae42289cc3489b03c17120864e649b227910258ef4e |
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